/* ══════════════════════════════════════════════
   CLOUDFLARE BLOG — Editorial Dark Theme
   ══════════════════════════════════════════════ */

:root {
  --ink:       #0a0a0b;
  --ink-2:     #111114;
  --ink-3:     #1c1c22;
  --border:    #2a2a33;
  --muted:     #555566;
  --body:      #9999aa;
  --light:     #d4d4e0;
  --white:     #f0f0f5;
  --amber:     #F6821F;
  --amber-2:   #FBAD41;
  --amber-dim: rgba(246,130,31,.15);
  --blue:      #6284ff;
  --green:     #3ecf6d;
  --red:       #ff4d6a;
  --teal:      #00d2c8;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'DM Sans', system-ui, sans-serif;
  --font-mono:  'DM Mono', monospace;
  --r:          8px;
  --r-lg:       16px;
  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--ink);
  color: var(--body);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }
button { cursor: none; border: none; background: none; font-family: inherit; }
input { font-family: inherit; }

/* ── Custom Cursor ── */
.cursor {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--amber);
  position: fixed; top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, width 0.3s, height 0.3s, background 0.3s;
  mix-blend-mode: difference;
}
.cursor-follower {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(246,130,31,.5);
  position: fixed; top: 0; left: 0;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.2s ease, width 0.4s, height 0.4s, opacity 0.4s;
}
body:has(a:hover) .cursor,
body:has(button:hover) .cursor { transform: translate(-50%,-50%) scale(2.5); }
body:has(a:hover) .cursor-follower,
body:has(button:hover) .cursor-follower { opacity: 0.3; }

/* ── Container ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px;
  border-radius: 4px;
  font-size: 0.875rem; font-weight: 500; letter-spacing: 0.03em;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--amber);
  color: #fff;
}
.btn--primary:hover { background: var(--amber-2); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(246,130,31,.35); }
.btn--ghost {
  border: 1px solid var(--border);
  color: var(--light);
}
.btn--ghost:hover { border-color: var(--amber); color: var(--amber); }
.btn--outline {
  border: 1px solid var(--border);
  color: var(--body);
  padding: 14px 48px;
}
.btn--outline:hover { border-color: var(--amber); color: var(--amber); transform: translateY(-2px); }

/* ── Tags ── */
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 2px;
}
.tag--engineering { background: rgba(98,132,255,.15); color: var(--blue); }
.tag--security    { background: rgba(255,77,106,.12); color: var(--red); }
.tag--product     { background: rgba(0,210,200,.1);  color: var(--teal); }
.tag--culture     { background: rgba(62,207,109,.1); color: var(--green); }

/* ── Section Label ── */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 24px;
}

/* ── Reveal Animation ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ══════════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; gap: 40px;
  padding: 18px 48px;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(10,10,11,.9);
  backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}
.nav__logo { display: flex; align-items: center; gap: 10px; }
.nav__logo-icon { width: 40px; height: 24px; }
.nav__logo-text {
  font-family: var(--font-serif); font-size: 1.05rem;
  color: var(--white); letter-spacing: -0.01em;
}
.nav__links {
  display: flex; gap: 32px; margin-left: auto;
}
.nav__link {
  font-size: 0.85rem; color: var(--body); letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav__link:hover { color: var(--white); }
.nav__actions {
  display: flex; align-items: center; gap: 16px; margin-left: 24px;
}
.nav__search {
  color: var(--body);
  display: flex; align-items: center;
  transition: color 0.2s;
}
.nav__search:hover { color: var(--amber); }
.nav__burger {
  display: none; flex-direction: column; gap: 5px;
  width: 28px; padding: 4px 0;
}
.nav__burger span {
  display: block; height: 1.5px;
  background: var(--light); border-radius: 2px;
  transition: var(--transition);
}

/* Mobile menu */
.mobile-menu {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: var(--ink-2); z-index: 99;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
}
.mobile-menu.open { opacity: 1; pointer-events: all; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 32px; text-align: center; }
.mobile-menu a { font-family: var(--font-serif); font-size: 2.5rem; color: var(--white); }
.mobile-menu a:hover { color: var(--amber); }

/* ══════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding: 120px 48px 80px;
}
.hero__bg {
  position: absolute; inset: 0;
  pointer-events: none;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 40%, transparent 100%);
}
.hero__glow {
  position: absolute;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(246,130,31,.12) 0%, transparent 70%);
  top: -10%; left: -10%;
  animation: glowDrift 8s ease-in-out infinite alternate;
}
@keyframes glowDrift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(80px, 60px) scale(1.15); }
}

.hero__content {
  max-width: 640px;
  position: relative; z-index: 1;
}
.hero__tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--amber);
  border: 1px solid var(--amber-dim);
  padding: 6px 14px; border-radius: 20px;
  margin-bottom: 32px;
}
.pulse-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--amber);
  animation: pulse 1.8s ease infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 900; line-height: 1.0;
  color: var(--white);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero__title em { font-style: italic; color: var(--amber); }
.hero__title-outline {
  -webkit-text-stroke: 1.5px var(--white);
  color: transparent;
}
.hero__sub {
  font-size: 1.1rem; color: var(--body);
  max-width: 480px; line-height: 1.65;
  margin-bottom: 40px;
}
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; }

.hero__scroll-indicator {
  position: absolute; bottom: 48px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  font-family: var(--font-mono); font-size: 0.65rem;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--muted);
}
.scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--muted), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.4); opacity: 0.4; }
}

/* ══════════════════════════════════════════════
   TICKER
   ══════════════════════════════════════════════ */
.ticker {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  padding: 14px 0;
  background: var(--ink-2);
}
.ticker__track {
  display: flex; gap: 40px;
  white-space: nowrap;
  animation: tickerMove 30s linear infinite;
  font-family: var(--font-mono);
  font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted);
}
.ticker__track:hover { animation-play-state: paused; }
.sep { color: var(--amber); font-size: 0.6rem; }
@keyframes tickerMove {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ══════════════════════════════════════════════
   FEATURED
   ══════════════════════════════════════════════ */
.featured { padding: 100px 0; }
.featured__card {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0; border-radius: var(--r-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  background: var(--ink-2);
  transition: border-color 0.3s;
}
.featured__card:hover { border-color: var(--amber-dim); }
.featured__meta {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 24px;
}
.featured__date, .featured__read {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--muted); letter-spacing: 0.05em;
}
.featured__body {
  padding: 60px; display: flex; flex-direction: column;
  justify-content: center;
}
.featured__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2.4rem);
  font-weight: 700; line-height: 1.2;
  color: var(--white); letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.featured__excerpt {
  color: var(--body); font-size: 0.95rem; line-height: 1.75;
  margin-bottom: 32px;
}
.featured__link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.875rem; font-weight: 500; color: var(--amber);
  transition: gap 0.2s;
}
.featured__link:hover { gap: 16px; }

.featured__image {
  background: linear-gradient(135deg, #0d1a2e 0%, #0a0f1a 100%);
  position: relative; min-height: 380px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.featured__image::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 60% 40%, rgba(98,132,255,.15) 0%, transparent 60%);
}
.featured__image-inner { width: 100%; height: 100%; position: relative; }
.node-graph { width: 100%; height: 100%; }

/* ══════════════════════════════════════════════
   CATEGORIES
   ══════════════════════════════════════════════ */
.categories { padding: 0 0 40px; }
.categories__grid {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.cat-btn {
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 8px 20px; border-radius: 3px;
  color: var(--muted);
  border: 1px solid transparent;
  transition: var(--transition);
}
.cat-btn:hover { color: var(--light); border-color: var(--border); }
.cat-btn.active { color: var(--amber); border-color: var(--amber-dim); background: var(--amber-dim); }

/* ══════════════════════════════════════════════
   ARTICLE GRID
   ══════════════════════════════════════════════ */
.articles { padding-bottom: 100px; }
.articles__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px; border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden;
  background: var(--border);
  margin-bottom: 56px;
}
.article-card {
  background: var(--ink-2);
  padding: 36px 32px;
  display: flex; flex-direction: column; gap: 16px;
  transition: background 0.3s;
}
.article-card:hover { background: var(--ink-3); }
.article-card__tag { }
.article-card__title {
  font-family: var(--font-serif);
  font-size: 1.2rem; font-weight: 700; line-height: 1.3;
  color: var(--white); letter-spacing: -0.01em;
  transition: color 0.2s;
}
.article-card:hover .article-card__title { color: var(--amber); }
.article-card__excerpt {
  font-size: 0.875rem; line-height: 1.7;
  color: var(--body); flex: 1;
}
.article-card__footer {
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--border); padding-top: 16px;
  margin-top: auto;
}
.article-card__author {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.8rem; color: var(--muted);
}
.avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: hsl(var(--hue, 200), 60%, 25%);
  color: hsl(var(--hue, 200), 80%, 80%);
  font-size: 0.65rem; font-weight: 500;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.article-card__time {
  font-family: var(--font-mono); font-size: 0.68rem;
  color: var(--muted); letter-spacing: 0.05em;
}
.articles__more { text-align: center; }
/* hide filtered cards */
.article-card.hidden { display: none; }

/* ══════════════════════════════════════════════
   STATS
   ══════════════════════════════════════════════ */
.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 64px 0;
  background: var(--ink-2);
}
.stats__grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; border-radius: var(--r);
  overflow: hidden;
}
.stat {
  display: flex; flex-direction: column; align-items: center;
  padding: 24px; text-align: center;
  border-right: 1px solid var(--border);
}
.stat:last-child { border-right: none; }
.stat__num {
  font-family: var(--font-serif);
  font-size: 3.5rem; font-weight: 900; line-height: 1;
  color: var(--white); letter-spacing: -0.04em;
}
.stat__unit {
  font-family: var(--font-serif);
  font-size: 2rem; font-weight: 700;
  color: var(--amber); align-self: flex-start; margin-top: 8px;
}
.stat__label {
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin-top: 8px;
}

/* ══════════════════════════════════════════════
   NEWSLETTER
   ══════════════════════════════════════════════ */
.newsletter { padding: 120px 0; }
.newsletter__inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 64px; background: var(--ink-2);
  position: relative; overflow: hidden;
}
.newsletter__inner::before {
  content: '';
  position: absolute; top: -40%; right: -20%;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, var(--amber-dim) 0%, transparent 70%);
  pointer-events: none;
}
.newsletter__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 700; line-height: 1.1;
  color: var(--white); letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.newsletter__title em { font-style: italic; color: var(--amber); }
.newsletter__copy p { font-size: 0.95rem; color: var(--body); }
.newsletter__input-wrap {
  display: flex; gap: 8px;
  margin-bottom: 12px;
}
.newsletter__input {
  flex: 1; background: var(--ink-3);
  border: 1px solid var(--border);
  border-radius: 4px; padding: 12px 16px;
  color: var(--white); font-size: 0.9rem;
  outline: none; transition: border-color 0.2s;
}
.newsletter__input:focus { border-color: var(--amber); }
.newsletter__disclaimer {
  font-size: 0.75rem; color: var(--muted);
}
.newsletter__success {
  display: none; align-items: center; gap: 10px;
  color: var(--green); font-size: 0.9rem;
  margin-top: 16px;
}
.newsletter__success.show { display: flex; }

/* ══════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--border);
  background: var(--ink-2);
  padding: 64px 0 32px;
}
.footer__top {
  display: grid; grid-template-columns: 1fr 2fr;
  gap: 80px; padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
.footer__tagline {
  margin-top: 16px; font-size: 0.875rem;
  color: var(--muted); max-width: 280px; line-height: 1.6;
}
.footer__links { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; }
.footer__col h4 {
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--light); margin-bottom: 20px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 12px; }
.footer__col a {
  font-size: 0.875rem; color: var(--muted);
  transition: color 0.2s;
}
.footer__col a:hover { color: var(--amber); }
.footer__bottom {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  font-size: 0.78rem; color: var(--muted);
}
.footer__bottom a { color: var(--muted); transition: color 0.2s; }
.footer__bottom a:hover { color: var(--amber); }
.footer__deploy { font-family: var(--font-mono); font-size: 0.7rem; }
.footer__deploy strong { color: var(--amber); }

/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .articles__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(3) { border-right: 1px solid var(--border); border-top: 1px solid var(--border); }
  .stat:nth-child(4) { border-right: none; border-top: 1px solid var(--border); }
  .newsletter__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__top { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .nav { padding: 16px 24px; gap: 0; }
  .nav__links, .nav__actions { display: none; }
  .nav__burger { display: flex; }
  .hero { padding: 100px 24px 80px; }
  .featured__card { grid-template-columns: 1fr; }
  .featured__image { min-height: 240px; }
  .featured__body { padding: 32px; }
  .articles__grid { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .newsletter__inner { padding: 32px; }
  .newsletter__input-wrap { flex-direction: column; }
  .footer__links { grid-template-columns: repeat(2, 1fr); }
  .cursor, .cursor-follower { display: none; }
  body { cursor: auto; }
  button { cursor: pointer; }
}
@media (max-width: 480px) {
  .articles__grid { gap: 1px; }
  .stats__grid { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--border); }
  .footer__links { grid-template-columns: 1fr; }
}