/* ==========================================================================
   NexusCast Blog Theme — matches main site design system
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* Design Tokens */
:root {
  --nc-primary:        #3b82f6;
  --nc-primary-dark:   #1d4ed8;
  --nc-primary-deeper: #1e3a8a;
  --nc-primary-light:  #dbeafe;
  --nc-accent:         #f97316;
  --nc-accent-dark:    #ea580c;
  --nc-accent-light:   #fff7ed;
  --nc-success:        #10b981;
  --nc-danger:         #ef4444;

  --nc-gray-50:  #f8fafc; --nc-gray-100: #f1f5f9; --nc-gray-200: #e2e8f0;
  --nc-gray-300: #cbd5e1; --nc-gray-400: #94a3b8; --nc-gray-500: #64748b;
  --nc-gray-600: #475569; --nc-gray-700: #334155; --nc-gray-800: #1e293b;
  --nc-gray-900: #0f172a; --nc-gray-950: #020617;
  --nc-white: #fff; --nc-black: #000;

  --nc-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  --nc-radius-sm: 8px; --nc-radius-md: 12px; --nc-radius-lg: 16px;
  --nc-radius-xl: 24px; --nc-radius-2xl: 32px; --nc-radius-full: 9999px;

  --nc-shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --nc-shadow-md:  0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
  --nc-shadow-lg:  0 10px 25px -3px rgba(0,0,0,.08), 0 4px 10px -4px rgba(0,0,0,.04);
  --nc-shadow-xl:  0 20px 40px -8px rgba(0,0,0,.12);
  --nc-shadow-glow: 0 0 40px rgba(59,130,246,.15);

  --nc-ease: cubic-bezier(.4,0,.2,1);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--nc-font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--nc-gray-700);
  background: var(--nc-white);
}

img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

a {
  color: var(--nc-primary);
  text-decoration: none;
  transition: color .2s var(--nc-ease);
}
a:hover { color: var(--nc-primary-dark); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--nc-font);
  line-height: 1.2;
  color: var(--nc-gray-900);
  letter-spacing: -.02em;
}

p { color: var(--nc-gray-600); line-height: 1.75; margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }
li { font-size: 1rem; line-height: 1.8; color: var(--nc-gray-600); }
hr { border: none; border-top: 1px solid var(--nc-gray-200); margin: 28px 0; }
:focus-visible { outline: 2px solid var(--nc-primary); outline-offset: 2px; }

/* Layout */
.nc-container {
  max-width: 1200px;
  width: 100%;
  padding: 0 32px;
  margin: 0 auto;
}

/* ============================================================
   LAUNCH BANNER
   ============================================================ */
.nc-launch-banner {
  background: var(--nc-gray-950);
  color: var(--nc-white);
  padding: 10px 16px;
  text-align: center;
  font-size: .875rem;
  position: relative;
  z-index: 1100;
}
.nc-launch-banner__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  max-width: 960px;
  margin: 0 auto;
}
.nc-launch-banner__badge {
  display: inline-block;
  background: var(--nc-accent);
  color: var(--nc-white);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
  padding: 2px 10px;
  border-radius: var(--nc-radius-full);
}
.nc-launch-banner__text { color: var(--nc-gray-300); font-weight: 400; }
.nc-launch-banner__text strong { font-weight: 700; color: var(--nc-white); }
.nc-launch-banner__cta {
  display: inline-block;
  background: var(--nc-primary);
  color: var(--nc-white);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--nc-radius-full);
  transition: all .2s var(--nc-ease);
}
.nc-launch-banner__cta:hover {
  background: var(--nc-primary-dark);
  color: var(--nc-white);
  transform: scale(1.04);
}
.nc-launch-banner__dismiss {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--nc-gray-500);
  cursor: pointer;
  font-size: 18px;
  padding: 4px;
  line-height: 1;
  transition: color .15s;
}
.nc-launch-banner__dismiss:hover { color: var(--nc-white); }
.nc-launch-banner.nc-hidden { display: none; }

/* ============================================================
   HEADER
   ============================================================ */
.nc-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  border-bottom: 1px solid rgba(0,0,0,.06);
  transition: box-shadow .3s var(--nc-ease);
}
.nc-header--scrolled {
  box-shadow: 0 4px 30px rgba(0,0,0,.08);
}

.nc-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 86px;
  gap: 32px;
}

.nc-header__logo img { height: 56px; width: auto; }

.nc-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nc-nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nc-nav__item { position: relative; }

.nc-nav__link {
  display: block;
  color: var(--nc-gray-600);
  padding: 8px 16px;
  font-size: .9rem;
  font-weight: 500;
  border-radius: var(--nc-radius-sm);
  transition: color .15s, background .15s;
  white-space: nowrap;
}
.nc-nav__link:hover {
  color: var(--nc-gray-900);
  background: var(--nc-gray-100);
}
.nc-nav__link--active {
  color: var(--nc-primary);
  font-weight: 600;
}

.nc-header__login {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--nc-gray-900);
  color: var(--nc-white);
  padding: 10px 22px;
  border-radius: var(--nc-radius-full);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .01em;
  transition: all .2s var(--nc-ease);
  white-space: nowrap;
  flex-shrink: 0;
}
.nc-header__login:hover {
  background: var(--nc-primary);
  color: var(--nc-white);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59,130,246,.3);
}

.nc-nav__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--nc-gray-700);
  font-size: 22px;
  padding: 8px;
  cursor: pointer;
  line-height: 1;
  border-radius: var(--nc-radius-sm);
  transition: background .15s;
}
.nc-nav__toggle:hover { background: var(--nc-gray-100); }

/* ============================================================
   PAGE HERO
   ============================================================ */
.nc-page-hero {
  background: var(--nc-gray-950);
  padding: 56px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.nc-page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 30% 50%, rgba(59,130,246,.2) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 70% 50%, rgba(139,92,246,.12) 0%, transparent 50%);
  pointer-events: none;
}
.nc-page-hero h1 {
  position: relative;
  z-index: 1;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--nc-white);
  letter-spacing: -.03em;
  margin-bottom: 8px;
}
.nc-page-hero p {
  position: relative;
  z-index: 1;
  color: rgba(255,255,255,.5);
  font-size: 1.05rem;
}

/* ============================================================
   CONTENT SECTION
   ============================================================ */
.nc-content {
  padding: 64px 0 72px;
}
.nc-content h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--nc-gray-900);
  margin-bottom: 16px;
  letter-spacing: -.03em;
}
.nc-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--nc-gray-800);
  margin-bottom: 10px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.nc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--nc-font);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: var(--nc-radius-full);
  padding: 12px 28px;
  font-size: .95rem;
  line-height: 1.5;
  transition: all .2s var(--nc-ease);
}
.nc-btn:hover { text-decoration: none; }
.nc-btn:active { transform: scale(.98); }

.nc-btn--primary {
  background: var(--nc-primary);
  color: var(--nc-white);
}
.nc-btn--primary:hover {
  background: var(--nc-primary-dark);
  color: var(--nc-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59,130,246,.35);
}

.nc-btn--ghost {
  background: transparent;
  color: var(--nc-gray-600);
  border-color: var(--nc-gray-300);
}
.nc-btn--ghost:hover {
  background: var(--nc-gray-100);
  color: var(--nc-gray-800);
  border-color: var(--nc-gray-400);
}

.nc-btn--sm { padding: 8px 20px; font-size: .85rem; }

/* ============================================================
   BLOG LIST
   ============================================================ */
.nc-blog-list {
  max-width: 800px;
  margin: 0 auto;
}

.nc-blog-card {
  background: var(--nc-white);
  border: 1px solid var(--nc-gray-200);
  border-radius: var(--nc-radius-xl);
  padding: 36px;
  margin-bottom: 24px;
  box-shadow: var(--nc-shadow-sm);
  transition: all .3s var(--nc-ease);
}
.nc-blog-card:hover {
  box-shadow: var(--nc-shadow-lg), var(--nc-shadow-glow);
  transform: translateY(-3px);
  border-color: var(--nc-primary-light);
}

.nc-blog-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: .8rem;
  color: var(--nc-gray-400);
}

.nc-blog-card__cat {
  display: inline-block;
  background: var(--nc-primary-light);
  color: var(--nc-primary-dark);
  font-size: .7rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--nc-radius-full);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.nc-blog-card__title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--nc-gray-900);
  margin-bottom: 10px;
  letter-spacing: -.02em;
  line-height: 1.3;
}
.nc-blog-card__title a {
  color: inherit;
  transition: color .15s;
}
.nc-blog-card__title a:hover {
  color: var(--nc-primary);
}

.nc-blog-card__excerpt {
  font-size: .95rem;
  color: var(--nc-gray-500);
  line-height: 1.7;
  margin-bottom: 16px;
}

.nc-blog-card__read {
  display: inline-block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--nc-accent);
  transition: color .15s;
}
.nc-blog-card__read:hover {
  color: var(--nc-accent-dark);
}

/* Pagination */
.nc-pagination {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}

/* ============================================================
   ARTICLE (single post)
   ============================================================ */
.nc-article {
  max-width: 760px;
  margin: 0 auto;
}

.nc-article h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-top: 40px;
  margin-bottom: 16px;
}

.nc-article h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 32px;
  margin-bottom: 12px;
}

.nc-article p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--nc-gray-600);
  margin-bottom: 1.5em;
}

.nc-article ul, .nc-article ol {
  list-style: disc;
  padding-left: 28px;
  margin-bottom: 1.5em;
}
.nc-article ol { list-style: decimal; }

.nc-article li {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--nc-gray-600);
  margin-bottom: .5em;
}

.nc-article blockquote {
  border-left: 4px solid var(--nc-primary);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--nc-gray-50);
  border-radius: 0 var(--nc-radius-md) var(--nc-radius-md) 0;
}
.nc-article blockquote p {
  font-style: italic;
  color: var(--nc-gray-700);
  margin-bottom: 0;
}

.nc-article pre {
  background: var(--nc-gray-950);
  color: var(--nc-gray-200);
  padding: 24px;
  border-radius: var(--nc-radius-md);
  overflow-x: auto;
  font-size: .9rem;
  line-height: 1.6;
  margin-bottom: 1.5em;
}

.nc-article code {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: .88em;
}

.nc-article p code {
  background: var(--nc-gray-100);
  color: var(--nc-accent-dark);
  padding: 2px 8px;
  border-radius: 4px;
}

.nc-article img {
  border-radius: var(--nc-radius-lg);
  margin: 24px 0;
  box-shadow: var(--nc-shadow-md);
}

.nc-article a {
  color: var(--nc-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.nc-article a:hover {
  color: var(--nc-primary-dark);
}

.nc-article__back {
  max-width: 760px;
  margin: 48px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--nc-gray-200);
}

/* ============================================================
   FOOTER
   ============================================================ */
.nc-footer__main {
  background: var(--nc-gray-950);
  padding: 76px 0 56px;
}
.nc-footer__grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}
.nc-footer__brand {
  flex: 1 1 460px;
  max-width: 560px;
}
.nc-footer__brand img { height: 84px; margin-bottom: 20px; }
.nc-footer__col { flex: 0 0 220px; }
.nc-footer__brand p {
  font-size: .85rem;
  color: var(--nc-gray-500);
  line-height: 1.7;
}
.nc-footer__col h4 {
  color: var(--nc-white);
  font-size: .8rem;
  font-weight: 700;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.nc-footer__col li { font-size: .875rem; line-height: 2.2; }
.nc-footer__col a {
  color: var(--nc-gray-400);
  transition: color .15s;
}
.nc-footer__col a:hover { color: var(--nc-white); }

.nc-footer__bottom {
  background: var(--nc-gray-950);
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 20px 0;
  text-align: center;
}
.nc-footer__bottom p {
  color: var(--nc-gray-500);
  font-size: .75rem;
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 979px) {
  .nc-nav__link { padding: 8px 12px; font-size: .85rem; }
}

@media (max-width: 767px) {
  .nc-header__inner { padding: 0 16px; height: 76px; gap: 12px; }
  .nc-header__logo img { height: 46px; }
  .nc-header__login { padding: 8px 16px; font-size: .8rem; }

  .nc-nav__toggle { display: block; }
  .nc-nav { position: static; flex: 0; }
  .nc-nav__list {
    display: none;
    flex-direction: column;
    width: 100%;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--nc-white);
    border-bottom: 1px solid var(--nc-gray-200);
    box-shadow: 0 16px 40px rgba(0,0,0,.1);
    padding: 12px;
    gap: 2px;
    z-index: 999;
  }
  .nc-nav__list.nc-nav--open { display: flex; }
  .nc-nav__item { width: 100%; }
  .nc-nav__link { padding: 12px 16px; font-size: .9rem; border-radius: var(--nc-radius-sm); }

  .nc-page-hero { padding: 40px 0; }
  .nc-page-hero h1 { font-size: 1.75rem; }

  .nc-content { padding: 40px 0 48px; }
  .nc-content h2 { font-size: 1.5rem; }
  .nc-container { padding: 0 20px; }

  .nc-blog-card { padding: 24px; }
  .nc-blog-card__title { font-size: 1.15rem; }

  .nc-article p, .nc-article li { font-size: 1rem; }

  .nc-footer__grid { flex-direction: column; gap: 32px; }
  .nc-footer__brand { max-width: 100%; }
  .nc-footer__col { flex: 1 1 auto; }
  .nc-footer__main { padding: 48px 0 36px; }
}

@media (max-width: 480px) {
  .nc-page-hero h1 { font-size: 1.5rem; }
  .nc-content h2 { font-size: 1.25rem; }
}