@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800;900&family=Open+Sans:ital,wght@0,300;0,400;0,600;0,700;0,800;1,400&display=swap');

:root{
  --primary:#2ea3f2;
  --primary-light:#5cb8f5;
  --primary-dark:#008bdb;
  --primary-deep:#0a6fb3;
  --primary-soft:#d9eefc;
  --primary-softer:#eef7fe;
  --accent:#ff6900;
  --accent-light:#ff8a38;
  --accent-dark:#e05c00;
  --accent-soft:#ffe6d4;
  --teal:#29c4a9;
  --teal-soft:#dcf5f0;
  --navy:#0e1c2b;
  --navy-deep:#081521;
  --secondary:#eeeeee;
  --bg:#ffffff;
  --bg-alt:#f2f5f7;
  --bg-tint:#eef7fe;
  --text:#333333;
  --text-light:#666666;
  --text-fade:#8a939c;
  --border:#e4e9ee;
  --border-soft:#eef1f4;
  --radius-sm:2px;
  --radius:3px;
  --radius-lg:6px;
  --radius-xl:14px;
  --shadow-sm:0 1px 3px rgba(14,28,43,.05),0 2px 8px rgba(14,28,43,.04);
  --shadow-md:0 6px 18px rgba(14,28,43,.08),0 2px 6px rgba(14,28,43,.05);
  --shadow-lg:0 18px 46px rgba(14,28,43,.14);
  --glow-primary:0 0 40px rgba(0,139,219,.28);
  --glow-accent:0 12px 28px rgba(255,105,0,.32);
  --glow-teal:0 5px 22px rgba(41,196,169,.22);
  --font-display:'Montserrat',Helvetica,Arial,sans-serif;
  --font-body:'Open Sans',Helvetica,Arial,sans-serif;
  --ease:cubic-bezier(.4,0,.2,1);
  --max-width:1150px;
  --article-width:760px;
}

*,*::before,*::after{box-sizing:border-box}
html,body{max-width:100%;overflow-x:hidden}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary-dark);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent)}
p,li,h1,h2,h3,h4{overflow-wrap:break-word}
:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-radius:var(--radius)}

.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}

h1,h2,h3,h4{font-family:var(--font-display);color:var(--navy);line-height:1.15;font-weight:800}
h1{font-size:clamp(2rem,5vw,3.2rem)}
h2{font-size:clamp(1.7rem,3.5vw,2.5rem)}
h3{font-size:1.3rem}

.eyebrow{
  display:inline-block;
  font-family:var(--font-display);
  font-weight:700;
  font-size:.78rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--primary-dark);
  margin-bottom:14px;
  position:relative;
  padding-left:34px;
}
.eyebrow::before{
  content:"";
  position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:24px;height:3px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font-display);font-weight:700;
  text-transform:uppercase;letter-spacing:.06em;font-size:.85rem;
  padding:15px 32px;min-height:48px;
  border-radius:var(--radius);border:2px solid transparent;
  cursor:pointer;transition:all .28s var(--ease);
}
.btn-primary{
  background:var(--accent);color:#fff;
  box-shadow:var(--glow-accent);
}
.btn-primary:hover{
  background:var(--accent-dark);color:#fff;
  transform:translateY(-3px);
  box-shadow:0 18px 36px rgba(255,105,0,.42);
}
.btn-outline{
  background:transparent;color:var(--primary-dark);
  border-color:var(--primary);
}
.btn-outline:hover{
  background:var(--primary);color:#fff;
  transform:translateY(-3px);
  box-shadow:var(--glow-primary);
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 20px rgba(14,28,43,.05);
}
.header-inner{
  max-width:var(--max-width);margin:0 auto;padding:0 24px;
  min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{
  display:flex;align-items:center;gap:11px;
  font-family:var(--font-display);font-weight:900;
  font-size:1.25rem;color:var(--navy);text-transform:uppercase;
  letter-spacing:.02em;flex-shrink:0;
}
.logo:hover{color:var(--navy)}
.logo svg{height:34px;width:auto;flex-shrink:0}
.logo span{white-space:nowrap}

.main-nav ul{
  list-style:none;margin:0;padding:0;
  display:flex;align-items:center;gap:4px;
}
.main-nav a{
  display:inline-block;
  font-family:var(--font-display);font-weight:600;
  font-size:.82rem;letter-spacing:.02em;
  color:var(--text);padding:10px 13px;border-radius:var(--radius);
  position:relative;transition:color .2s var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);border-radius:2px;
}
.main-nav a:hover{color:var(--primary-dark)}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
.main-nav a.active{color:var(--primary-dark)}

.menu-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:48px;height:48px;padding:0;
  background:var(--primary);border:none;border-radius:var(--radius);
  cursor:pointer;box-shadow:var(--glow-primary);
}
.menu-toggle span{
  display:block;width:22px;height:2px;margin:0 auto;
  background:#fff;border-radius:2px;transition:all .3s var(--ease);
}
.header-open .menu-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.header-open .menu-toggle span:nth-child(2){opacity:0}
.header-open .menu-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:linear-gradient(140deg,var(--navy-deep),#0f2c48 60%,var(--primary-deep));
  color:#fff;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 78% 20%,rgba(46,163,242,.35),transparent 55%),radial-gradient(circle at 12% 90%,rgba(255,105,0,.22),transparent 50%);
  pointer-events:none;
}
.hero .container{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:52px;align-items:center;
  padding-top:80px;padding-bottom:80px;
}
.hero-content>*{min-width:0}
.hero .eyebrow{color:var(--primary-light)}
.hero .eyebrow::before{background:linear-gradient(90deg,var(--primary-light),var(--accent))}
.hero h1{
  color:#fff;text-transform:uppercase;font-weight:900;
  letter-spacing:.005em;margin-bottom:18px;
  font-size:clamp(2.1rem,5.2vw,3.5rem);
}
.hero h1 em{font-style:normal;color:var(--primary-light)}
.hero p{
  color:hsla(0,0%,100%,.9);font-size:1.1rem;
  max-width:36ch;margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-actions .btn-outline{color:#fff;border-color:hsla(0,0%,100%,.5)}
.hero-actions .btn-outline:hover{background:#fff;color:var(--primary-dark);border-color:#fff}
.hero-media{position:relative}
.hero-media img{
  width:100%;border-radius:var(--radius-xl);
  box-shadow:0 30px 70px rgba(0,0,0,.45);
  object-fit:cover;aspect-ratio:4/3;
}
.hero-media::after{
  content:"";position:absolute;inset:0;
  border-radius:var(--radius-xl);
  box-shadow:inset 0 0 0 1px hsla(0,0%,100%,.12);
}

/* ---------- Sections ---------- */
.section{padding:76px 0}
.section-alt{padding:76px 0;background:var(--bg-alt)}
.section-head{max-width:680px;margin:0 auto 52px;text-align:center}
.section-head h2{margin-bottom:16px}
.section-head p{color:var(--text-light);font-size:1.06rem}

/* ---------- Cards ---------- */
.card-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:30px;
}
.card-grid>*{min-width:0}
.card{
  background:var(--bg);border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{
  transform:translateY(-7px);
  box-shadow:var(--shadow-lg);
  border-color:var(--primary-light);
}
.card>img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform .5s var(--ease);
}
.card:hover>img{transform:scale(1.05)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:11px;flex:1}
.card-tag{
  align-self:flex-start;
  font-family:var(--font-display);font-weight:700;
  font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--primary-dark);background:var(--primary-soft);
  padding:5px 12px;border-radius:var(--radius);
}
.card-body h3{
  font-size:1.22rem;line-height:1.25;color:var(--navy);
  transition:color .2s var(--ease);
}
.card:hover .card-body h3{color:var(--primary-dark)}
.card-body p{color:var(--text-light);font-size:.95rem;flex:1}
.card-link{
  align-self:flex-start;margin-top:4px;
  font-family:var(--font-display);font-weight:700;
  font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;
  color:var(--accent);display:inline-flex;align-items:center;gap:7px;
}
.card-link::after{content:"\2192";transition:transform .25s var(--ease)}
.card-link:hover{color:var(--accent-dark)}
.card-link:hover::after{transform:translateX(5px)}

/* ---------- Article ---------- */
.article{padding:56px 0 76px}
.article .container{max-width:var(--article-width)}
.article-figure{margin:34px 0}
.article-figure img{width:100%;border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}
.article-figure figcaption{
  text-align:center;color:var(--text-light);
  font-size:.88rem;margin-top:12px;font-style:italic;
}
figure.hero img{border-radius:var(--radius-lg)}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;
  color:var(--text-light);font-size:.9rem;
  padding:16px 0 24px;border-bottom:1px solid var(--border);margin-bottom:32px;
}
.article-meta strong{color:var(--navy);font-weight:700}
.article h1{margin-bottom:18px}
.article h2{font-size:1.7rem;margin:44px 0 16px}
.article h3{font-size:1.3rem;margin:32px 0 12px}
.article p{margin-bottom:20px}
.article ul,.article ol{margin:0 0 22px;padding-left:24px}
.article li{margin-bottom:9px}
.article a{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px}
.article a:hover{color:var(--accent)}
.article blockquote{
  margin:30px 0;padding:20px 26px;
  background:var(--primary-softer);
  border-left:4px solid var(--primary);
  border-radius:var(--radius);color:var(--navy);font-style:italic;
}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;margin:28px 0;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
table{border-collapse:collapse;width:100%;min-width:480px;font-size:.94rem}
thead th{
  background:var(--primary);color:#fff;
  font-family:var(--font-display);font-weight:700;
  text-align:left;padding:14px 18px;font-size:.82rem;
  text-transform:uppercase;letter-spacing:.05em;
}
tbody td{padding:13px 18px;border-bottom:1px solid var(--border)}
tbody tr:nth-child(even){background:var(--bg-alt)}
tbody tr:hover{background:var(--primary-softer)}

/* ---------- Info boxes ---------- */
.info-box{
  margin:28px 0;padding:20px 24px;
  border-radius:var(--radius-lg);
  background:var(--secondary);
  border-left:4px solid var(--primary);
}
.info-box strong{
  display:block;font-family:var(--font-display);font-weight:700;
  color:var(--navy);margin-bottom:6px;
}
.info-box p{margin:0;color:var(--text)}
.info-box.tip{
  background:var(--teal-soft);
  border-left-color:var(--teal);
  box-shadow:var(--glow-teal);
}
.info-box.warning{
  background:var(--accent-soft);
  border-left-color:var(--accent);
}

/* ---------- FAQ ---------- */
.faq{padding:20px 0}
.faq-item{
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  margin-bottom:14px;background:var(--bg);
  overflow:hidden;transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.faq-item[open]{box-shadow:var(--shadow-md);border-color:var(--primary-light)}
.faq-item summary{
  cursor:pointer;list-style:none;
  padding:18px 54px 18px 22px;position:relative;
  font-family:var(--font-display);font-weight:600;color:var(--navy);
  font-size:1.02rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:1.5rem;color:var(--primary-dark);font-weight:400;
  transition:transform .3s var(--ease);line-height:1;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-answer{padding:0 22px 20px}
.faq-answer p{margin:0;color:var(--text-light)}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  font-size:.85rem;color:var(--text-light);
  padding:22px 0 0;
}
.breadcrumb ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li:not(:last-child)::after{content:"\203A";color:var(--text-fade)}
.breadcrumb a{color:var(--primary-dark)}
.breadcrumb a:hover{color:var(--accent)}

/* ---------- Related ---------- */
.related-cards{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;
}
.related-cards>*{min-width:0}
.related-card{
  background:var(--bg);border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);color:var(--text);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  display:flex;flex-direction:column;
}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--primary-light)}
.related-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rc-body{padding:20px}
.rc-body h4{
  font-family:var(--font-display);font-size:1.05rem;
  color:var(--navy);margin-bottom:8px;line-height:1.3;
}
.related-card:hover .rc-body h4{color:var(--primary-dark)}
.rc-body p{color:var(--text-light);font-size:.9rem}

/* ---------- Author card ---------- */
.author-card{
  display:flex;gap:20px;align-items:flex-start;
  background:var(--primary-softer);
  border:1px solid var(--primary-soft);
  border-left:4px solid var(--primary);
  border-radius:var(--radius-lg);
  padding:26px 28px;margin:40px 0;
}
.author-card h4{
  font-family:var(--font-display);font-size:1.15rem;
  color:var(--navy);margin-bottom:3px;
}
.author-card .role{
  color:var(--primary-dark);font-weight:700;
  font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;
  margin-bottom:10px;
}
.author-card p{color:var(--text-light);font-size:.94rem;margin:0}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--navy-deep);color:hsla(0,0%,100%,.72);
  padding:64px 0 0;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.footer-inner{
  max-width:var(--max-width);margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;
}
.footer-inner>*{min-width:0}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo span{color:#fff}
.footer-brand p{color:hsla(0,0%,100%,.6);font-size:.95rem;max-width:34ch}
.footer-col h4{
  font-family:var(--font-display);color:#fff;font-size:.82rem;
  text-transform:uppercase;letter-spacing:.1em;margin-bottom:18px;
}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.footer-col a{color:hsla(0,0%,100%,.72);font-size:.93rem}
.footer-col a:hover{color:var(--primary-light)}
.footer-bottom{
  margin-top:52px;padding:22px 24px;
  border-top:1px solid hsla(0,0%,100%,.1);
  text-align:center;font-size:.85rem;color:hsla(0,0%,100%,.5);
}

/* ---------- Responsive ---------- */
@media(max-width:1024px){
  .card-grid,.related-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero .container{gap:38px}
}
@media(max-width:768px){
  .menu-toggle{display:flex}
  .main-nav{
    position:fixed;top:80px;left:0;right:0;
    background:#fff;
    border-top:1px solid var(--border);
    box-shadow:var(--shadow-lg);
    max-height:0;overflow:hidden;
    transition:max-height .35s var(--ease);
  }
  .header-open .main-nav{max-height:calc(100vh - 80px);overflow-y:auto}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 20px}
  .main-nav a{
    padding:15px 12px;font-size:.95rem;min-height:44px;display:flex;align-items:center;
    border-bottom:1px solid var(--border-soft);
  }
  .main-nav a::after{display:none}
  .main-nav a.active{background:var(--primary-softer);border-radius:var(--radius)}
  .hero .container{grid-template-columns:minmax(0,1fr);padding-top:52px;padding-bottom:56px}
  .hero-media{order:-1}
  .section,.section-alt{padding:54px 0}
  .footer-inner{grid-template-columns:minmax(0,1fr);gap:34px}
}
@media(max-width:480px){
  html{font-size:14.5px}
  .container{padding:0 18px}
  .header-inner{padding:0 18px}
  .card-grid,.related-cards{grid-template-columns:minmax(0,1fr)}
  .logo span{font-size:1.1rem}
  .author-card{flex-direction:column;gap:12px}
}