/* ================================================================
   USX CYBER — NEWS & ALERTS / BLOG PAGE
   Dynamic Defense | News & Alerts
   ================================================================ */

/* ── Design Tokens ─────────────────────────────────────────────── */
:root {
  --cida:      #44d7b6;
  --principle: #4fabbd;
  --deep:      #006e7b;
  --alert:     #f1754a;
  --bg:        #07080B;
  --bg2:       #0C0F14;
  --bg3:       #111620;
  --surface:   #161D2A;
  --text:      #EEF2F8;
  --muted:     #9BB8CC;
  --faint:     rgba(255,255,255,.04);
  --border:    rgba(68,215,182,0.13);
  --font-d:    'Outfit',  sans-serif;
  --font-b:    'DM Sans', sans-serif;
  --max-w:     1200px;
  --nav-h:     68px;
  --r:         6px;
  --ease:      cubic-bezier(.4, 0, .2, 1);
  --tr:        all .2s var(--ease);
}

/* ── Reset ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-b);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(rgba(68,215,182,.05) 1px, transparent 1px);
  background-size: 32px 32px;
}
img { max-width: 100%; height: auto; display: block; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }
strong { color: var(--text); font-weight: 600; }

/* ── Container ──────────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 36px; }

/* ── Headings ───────────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-d);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.02em;
}

/* ── Eyebrow ─────────────────────────────────────────────────────── */
.eyebrow {
  display: inline-block; font-family: var(--font-d);
  font-size: 11px; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--cida); margin-bottom: 20px;
}

/* ── Buttons ─────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-d); font-size: 14px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 14px 30px; border-radius: var(--r);
  transition: var(--tr); cursor: pointer; border: none;
}
.btn-cta  { background: var(--principle); color: #fff; font-size: 16px; padding: 16px 36px; }
.btn-cta:hover  { background: #5cbece; box-shadow: 0 0 32px rgba(79,171,189,.45); transform: translateY(-2px); }
.btn-cida { background: var(--cida); color: #000; font-size: 16px; padding: 16px 36px; }
.btn-cida:hover { background: #5ce8c7; box-shadow: 0 0 28px rgba(68,215,182,.35); transform: translateY(-2px); }
.btn-outline {
  background: transparent; color: var(--text);
  border: 1px solid rgba(255,255,255,.18); font-size: 16px; padding: 16px 36px;
}
.btn-outline:hover { border-color: var(--cida); color: var(--cida); background: rgba(68,215,182,.04); }

/* ── Scroll-reveal ───────────────────────────────────────────────── */
[data-reveal] {
  opacity: 0; transform: translateY(22px);
  transition: opacity .65s var(--ease), transform .65s var(--ease);
}
[data-reveal-right] {
  opacity: 0; transform: translateX(22px);
  transition: opacity .65s var(--ease) .12s, transform .65s var(--ease) .12s;
}
.revealed { opacity: 1 !important; transform: translate(0,0) !important; }
[data-reveal-stagger] > * {
  opacity: 0; transform: translateY(18px);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}
[data-reveal-stagger].revealed > *:nth-child(1) { transition-delay: 0s;   opacity: 1; transform: none; }
[data-reveal-stagger].revealed > *:nth-child(2) { transition-delay: .1s;  opacity: 1; transform: none; }
[data-reveal-stagger].revealed > *:nth-child(3) { transition-delay: .2s;  opacity: 1; transform: none; }
[data-reveal-stagger].revealed > *:nth-child(4) { transition-delay: .3s;  opacity: 1; transform: none; }
[data-reveal-stagger].revealed > *:nth-child(5) { transition-delay: .4s;  opacity: 1; transform: none; }
[data-reveal-stagger].revealed > *:nth-child(6) { transition-delay: .5s;  opacity: 1; transform: none; }


/* ================================================================
   ANIMATIONS
   ================================================================ */
@keyframes orbDrift {
  0%, 100% { transform: translate(0, 0); }
  33%       { transform: translate(30px, -20px); }
  66%       { transform: translate(-20px, 30px); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes sbShimmer {
  from { transform: translateX(-100%); }
  to   { transform: translateX(100%); }
}


/* ================================================================
   NAVIGATION
   ================================================================ */
.nav-wrap {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: var(--nav-h);
  background: rgba(7,8,11,.65);
  backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px);
  border-bottom: 1px solid rgba(68,215,182,.06); transition: var(--tr);
}
.nav-wrap.scrolled {
  background: rgba(7,8,11,.96); border-bottom-color: var(--border);
  box-shadow: 0 4px 32px rgba(0,0,0,.55);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 36px; height: 100%;
  display: flex; align-items: center;
}
.nav-logo { display: flex; align-items: center; flex-shrink: 0; }
.nav-logo img { height: 42px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 26px; margin-left: 44px; }
.nav-links a { font-size: 13px; font-weight: 500; color: var(--muted); letter-spacing: .02em; transition: color .15s; }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--cida); }
.nav-mobile-cta { display: none; }
.nav-right { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.nav-login { font-size: 13px; font-weight: 500; color: var(--muted); padding: 8px 14px; transition: color .15s; }
.nav-login:hover { color: var(--text); }
.nav-cta {
  font-family: var(--font-d); font-size: 13px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 10px 22px; border-radius: var(--r);
  background: var(--principle); color: #fff; transition: all .17s; white-space: nowrap;
}
.nav-cta:hover { background: #5cbece; box-shadow: 0 0 20px rgba(79,171,189,.35); }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px; margin-left: 16px;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--tr); }
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }


/* ================================================================
   HERO — short centered
   ================================================================ */
.hero {
  min-height: 52vh; display: flex; flex-direction: column;
  position: relative; overflow: hidden;
}
.hero-orb { position: absolute; border-radius: 50%; pointer-events: none; z-index: 0; }
.hero-orb-1 {
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(68,215,182,.05) 0%, transparent 60%);
  top: -300px; right: -200px; animation: orbDrift 12s ease-in-out infinite;
}
.hero-orb-2 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,110,123,.07) 0%, transparent 60%);
  bottom: -200px; left: -160px; animation: orbDrift 14s ease-in-out infinite reverse;
}
.hero-body {
  position: relative; z-index: 1; flex: 1;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  text-align: center; max-width: 760px;
  padding-top: calc(var(--nav-h) + 72px);
  padding-bottom: 64px;
  padding-left: 36px; padding-right: 36px;
  margin: 0 auto;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-d); font-size: 11px; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--cida); margin-bottom: 28px;
  animation: fadeUp .5s ease both .05s;
}
.eyebrow-line { width: 28px; height: 1px; background: var(--cida); flex-shrink: 0; }
.hero-body h1 {
  font-size: clamp(36px, 5vw, 64px);
  letter-spacing: -.03em; line-height: 1.01; margin-bottom: 22px;
  animation: fadeUp .55s ease both .15s;
}
.hero-lede {
  font-size: clamp(15px, 1.6vw, 18px); color: var(--muted);
  line-height: 1.78; max-width: 600px;
  animation: fadeUp .5s ease both .25s;
}


/* ================================================================
   FILTER BAR
   ================================================================ */
.filter-bar { background: var(--bg2); border-bottom: 1px solid var(--border); position: sticky; top: var(--nav-h); z-index: 100; }
.filter-inner {
  display: flex; align-items: center; gap: 8px;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  padding: 16px 0;
  scrollbar-width: none;
}
.filter-inner::-webkit-scrollbar { display: none; }
.filter-btn {
  flex-shrink: 0;
  font-family: var(--font-d); font-size: 12px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 8px 18px; border-radius: 100px;
  border: 1px solid rgba(255,255,255,.1);
  background: transparent; color: var(--muted);
  cursor: pointer; transition: var(--tr); white-space: nowrap;
}
.filter-btn:hover { border-color: var(--cida); color: var(--text); }
.filter-btn.active {
  background: var(--cida); color: #000;
  border-color: var(--cida);
}
.filter-count {
  font-size: 10px; font-weight: 800;
  background: rgba(255,255,255,.1); color: var(--muted);
  border-radius: 100px; padding: 1px 7px; margin-left: 4px;
  transition: var(--tr);
}
.filter-btn.active .filter-count { background: rgba(0,0,0,.2); color: rgba(0,0,0,.65); }


/* ================================================================
   CATEGORY TAGS (on cards)
   ================================================================ */
.post-tag {
  display: inline-block;
  font-family: var(--font-d); font-size: 10px; font-weight: 800;
  letter-spacing: .14em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 100px;
}
.tag-blog     { background: rgba(68,215,182,.12);  color: var(--cida); }
.tag-press    { background: rgba(79,171,189,.12);  color: var(--principle); }
.tag-case     { background: rgba(125,211,221,.15); color: #7dd3dd; }
.tag-report   { background: rgba(155,184,204,.12); color: var(--muted); }
.tag-bulletin { background: rgba(241,117,74,.12);  color: var(--alert); }
/* Retired categories — kept for backwards compatibility in case of external links */
.tag-announce { background: rgba(79,171,189,.12);  color: var(--principle); }
.tag-alert    { background: rgba(241,117,74,.12);  color: var(--alert); }
.tag-compliance { background: rgba(0,110,123,.2);  color: #7dd3dd; }


/* ================================================================
   FEATURED POST
   ================================================================ */
.section-featured { background: var(--bg); padding: 72px 0 0; }

.featured-card {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  background: var(--bg2); border: 1px solid var(--border); border-radius: 10px;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.featured-card:hover { border-color: rgba(68,215,182,.25); box-shadow: 0 24px 64px rgba(0,0,0,.5); }

.featured-img {
  min-height: 360px; background: var(--bg3);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.featured-img img { width: 100%; height: 100%; object-fit: cover; opacity: .7; }
.featured-img-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 16px; width: 100%; height: 100%; min-height: 360px;
  background: linear-gradient(135deg, var(--bg3) 0%, rgba(0,110,123,.15) 100%);
}
.featured-img-placeholder svg { opacity: .25; }
.featured-img-placeholder span {
  font-family: var(--font-d); font-size: 10px; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase; color: rgba(68,215,182,.3);
}
.featured-badge {
  position: absolute; top: 20px; left: 20px;
  font-family: var(--font-d); font-size: 10px; font-weight: 800;
  letter-spacing: .14em; text-transform: uppercase;
  background: var(--cida); color: #000;
  padding: 5px 12px; border-radius: 100px;
}

.featured-body {
  padding: 52px 48px; display: flex; flex-direction: column; justify-content: center;
}
.featured-meta {
  display: flex; align-items: center; gap: 14px; margin-bottom: 20px;
}
.featured-date { font-size: 12px; color: rgba(255,255,255,.3); font-weight: 500; }
.featured-body h2 {
  font-size: clamp(22px, 2.4vw, 32px); line-height: 1.2;
  margin-bottom: 16px; letter-spacing: -.02em;
  transition: color .15s;
}
.featured-card:hover .featured-body h2 { color: var(--cida); }
.featured-body p {
  font-size: 15px; color: var(--muted); line-height: 1.78;
  margin-bottom: 32px;
}
.featured-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-d); font-size: 13px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--cida);
  transition: gap .15s;
}
.featured-link:hover { gap: 12px; }
.featured-link svg { transition: transform .15s; }
.featured-link:hover svg { transform: translateX(3px); }


/* ================================================================
   POST GRID
   ================================================================ */
.section-posts { background: var(--bg); padding: 56px 0 108px; }

.posts-header {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 40px;
}
.posts-header h3 {
  font-size: 13px; font-weight: 700; font-family: var(--font-d);
  letter-spacing: .16em; text-transform: uppercase; color: var(--muted);
}
.posts-count { font-size: 12px; color: rgba(255,255,255,.2); }

.posts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.post-card {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 8px;
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.post-card:hover { transform: translateY(-4px); box-shadow: 0 20px 50px rgba(0,0,0,.45); border-color: rgba(68,215,182,.22); }
.post-card[data-hidden="true"] { display: none; }

.post-card-img {
  height: 180px; background: var(--bg3);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; position: relative;
}
.post-card-img img { width: 100%; height: 100%; object-fit: cover; opacity: .65; transition: opacity .2s, transform .3s; }
.post-card:hover .post-card-img img { opacity: .85; transform: scale(1.03); }
.post-card-img-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--bg3), rgba(0,110,123,.1));
}
.post-card-img-placeholder svg { opacity: .15; }

.post-card-body { padding: 28px 28px 32px; flex: 1; display: flex; flex-direction: column; }
.post-card-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.post-card-date { font-size: 11px; color: rgba(255,255,255,.3); font-weight: 500; }
.post-card-body h3 {
  font-size: clamp(16px, 1.6vw, 19px); font-weight: 700; line-height: 1.3;
  margin-bottom: 12px; letter-spacing: -.01em;
  transition: color .15s; flex: 1;
}
.post-card:hover h3 { color: var(--cida); }
.post-card-body p { font-size: 13px; color: var(--muted); line-height: 1.72; margin-bottom: 24px; flex: 1; }
.post-read-more {
  display: inline-flex; align-items: center; gap: 6px; margin-top: auto;
  font-family: var(--font-d); font-size: 11px; font-weight: 800;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); transition: color .15s, gap .15s;
}
.post-card:hover .post-read-more { color: var(--cida); gap: 9px; }

/* Empty state */
.posts-empty {
  grid-column: 1 / -1; text-align: center; padding: 72px 0;
  font-family: var(--font-d); color: rgba(255,255,255,.18);
  font-size: 14px; letter-spacing: .08em; text-transform: uppercase;
  display: none;
}
.posts-empty.visible { display: block; }


/* ================================================================
   NEWSLETTER / ALERT SIGNUP
   ================================================================ */
.section-subscribe { background: var(--bg2); padding: 96px 0; border-top: 1px solid var(--border); }
.subscribe-inner {
  max-width: 680px; margin: 0 auto; text-align: center;
}
.subscribe-inner h2 { font-size: clamp(26px, 3.5vw, 44px); margin-bottom: 16px; }
.subscribe-inner p { font-size: 16px; color: var(--muted); line-height: 1.75; margin-bottom: 36px; }

.subscribe-form {
  display: flex; gap: 12px; max-width: 520px; margin: 0 auto;
}
.subscribe-input {
  flex: 1; background: var(--bg3); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r); padding: 14px 18px;
  font-family: var(--font-b); font-size: 15px; color: var(--text);
  outline: none; transition: border-color .15s;
}
.subscribe-input::placeholder { color: rgba(255,255,255,.22); }
.subscribe-input:focus { border-color: var(--cida); }
.subscribe-btn {
  flex-shrink: 0;
  font-family: var(--font-d); font-size: 13px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 14px 24px; border-radius: var(--r);
  background: var(--cida); color: #000; border: none; cursor: pointer;
  transition: var(--tr); white-space: nowrap;
}
.subscribe-btn:hover { background: #5ce8c7; box-shadow: 0 0 24px rgba(68,215,182,.3); }
.subscribe-note { font-size: 12px; color: rgba(255,255,255,.2); margin-top: 14px; }


/* ================================================================
   FOOTER
   ================================================================ */
.site-footer { background: #000; border-top: 1px solid rgba(68,215,182,.07); padding: 64px 0 32px; }
.ft-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 56px; margin-bottom: 48px; }
.ft-logo    { height: 44px; width: auto; margin-bottom: 14px; }
.ft-tagline { font-family: var(--font-d); font-size: 10px; font-weight: 700; letter-spacing: .24em; text-transform: uppercase; color: var(--cida); margin-bottom: 10px; }
.ft-desc    { font-size: 13px; color: rgba(255,255,255,.55); line-height: 1.75; max-width: 260px; }
.ft-addr    { font-size: 12px; color: rgba(255,255,255,.55); line-height: 1.75; margin-top: 14px; }
.ft-col h4  { font-family: var(--font-d); font-size: 10px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: rgba(255,255,255,.28); margin-bottom: 18px; }
.ft-col ul  { display: flex; flex-direction: column; gap: 10px; }
.ft-col a   { font-size: 13px; color: rgba(255,255,255,.65); transition: color .15s; }
.ft-col a:hover { color: var(--cida); }
.ft-bottom  { border-top: 1px solid rgba(255,255,255,.05); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.ft-bottom p { font-size: 12px; color: rgba(255,255,255,.55); }
.ft-awards  { display: flex; gap: 12px; align-items: center; }
.ft-awards img { height: 56px; width: auto; object-fit: contain; opacity: .9; filter: none; transition: opacity .2s; }
.ft-awards img:hover { opacity: 1; }


/* ================================================================
   RESPONSIVE — TABLET  (≤ 1024px)
   ================================================================ */
@media (max-width: 1024px) {
  :root { --nav-h: 64px; }
  .container { padding: 0 28px; }

  .nav-links  { display: none; }
  .nav-right  { display: none; }
  .nav-toggle { display: flex; margin-left: auto; }

  .hero-body  { padding-left: 28px; padding-right: 28px; }

  .featured-card { grid-template-columns: 1fr; }
  .featured-img  { min-height: 260px; }

  .posts-grid { grid-template-columns: repeat(2, 1fr); }

  .ft-top { grid-template-columns: 1fr 1fr; gap: 40px; }
}

/* Mobile nav overlay */
.nav-links.open {
  display: flex !important; flex-direction: column;
  position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0;
  background: rgba(7,8,11,.97); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  padding: 36px 36px; gap: 0; z-index: 9999; overflow-y: auto;
}
.nav-links.open li { border-bottom: 1px solid rgba(255,255,255,.06); }
.nav-links.open a  { display: block; padding: 18px 0; font-size: 1.25rem; font-weight: 600; color: var(--text); letter-spacing: -.01em; }
.nav-links.open a:hover { color: var(--cida); }
.nav-links.open .nav-mobile-cta { display: block; border-bottom: none; padding-top: 28px; }
.nav-links.open .nav-mobile-cta .btn { width: 100%; justify-content: center; font-size: 15px; padding: 15px 28px; }


/* ================================================================
   RESPONSIVE — MOBILE  (≤ 640px)
   ================================================================ */
@media (max-width: 640px) {
  .container { padding: 0 20px; }

  .posts-grid    { grid-template-columns: 1fr; }
  .subscribe-form { flex-direction: column; }
  .subscribe-btn  { width: 100%; }
  .ft-top        { grid-template-columns: 1fr; }
  .posts-header  { flex-direction: column; gap: 6px; }
}

@media (max-width: 400px) {
  :root { --nav-h: 60px; }
  .nav-logo img { height: 34px; }
}