*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;overflow-x:hidden}img{max-width:100%;display:block}button{cursor:pointer;border:none;background:none;font-family:inherit}a{text-decoration:none;color:inherit}ul{list-style:none}

:root{
  --primary:#2563EB;--primary-lt:#B4C5FF;--bg:#0B0E11;--surface:#111417;
  --surf-card:#1D2023;--surf-low:#191C1F;--text:#E8EDF5;
  --muted:rgba(232,237,245,.5);--label:rgba(232,237,245,.3);
  --grad-hero:linear-gradient(135deg,#B4C5FF 0%,#2563EB 55%,#7c4ee8 100%);
  --glass-bg:rgba(17,20,23,.88);--glass-blur:blur(24px);
  --font:'Space Grotesk',Helvetica,Arial,sans-serif;
  --ease:cubic-bezier(.165,.84,.44,1);
  --accent:#2563EB;--accent-glow:rgba(37,99,235,.16);
}
html,body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;font-size:16px}
::-webkit-scrollbar{width:3px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--accent);opacity:.4;border-radius:3px}

/* ── NAV ─────────────────────────────────────────────── */
.nav{position:fixed;top:0;left:0;width:100%;z-index:100;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:20px 5vw}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;letter-spacing:-.02em}
.nav-logo img{width:28px;height:28px;object-fit:contain}
.nav-back{font-size:12px;font-weight:500;color:var(--muted);transition:color .3s;letter-spacing:.01em}.nav-back:hover{color:var(--text)}

/* ── BLOG HERO ───────────────────────────────────────── */
.blog-hero{padding:160px 5vw 88px;position:relative;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.04)}
.blog-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 60% at 20% 50%,var(--accent-glow) 0%,transparent 65%);pointer-events:none}
.blog-hero-inner{position:relative;z-index:1;max-width:760px}
.hero-eyebrow{font-size:10px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);display:flex;align-items:center;gap:12px;margin-bottom:24px}
.hero-eyebrow::before{content:'';display:inline-block;width:28px;height:1px;background:var(--accent);flex-shrink:0}
.blog-hero-title{font-size:clamp(48px,8vw,100px);font-weight:400;line-height:.88;letter-spacing:-.055em;margin-bottom:28px}
.blog-hero-title em{font-style:italic;background:var(--grad-hero);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.blog-hero-desc{font-size:clamp(15px,1.4vw,18px);color:var(--muted);line-height:1.6;max-width:480px}

/* ── GRID ARTICLES ───────────────────────────────────── */
.blog-grid{padding:72px 5vw 100px}
.grid-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;max-width:1280px;margin:0 auto}
@media(max-width:960px){.grid-inner{grid-template-columns:repeat(2,1fr)}}
@media(max-width:580px){.grid-inner{grid-template-columns:1fr}}

/* ── CARD ────────────────────────────────────────────── */
.card{background:var(--surf-card);padding:40px 36px;display:flex;flex-direction:column;gap:16px;position:relative;overflow:hidden;transition:background .3s var(--ease)}
.card:hover{background:#21262b}
.card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.card:hover::after{transform:scaleX(1)}
.card-meta{display:flex;align-items:center;gap:12px}
.card-cat{font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.card-date{font-size:10px;font-weight:500;color:var(--label);letter-spacing:.05em}
.card-title{font-size:clamp(17px,1.5vw,20px);font-weight:600;letter-spacing:-.025em;line-height:1.2}
.card-title a{color:var(--text);transition:color .25s}.card-title a:hover{color:var(--primary-lt)}
.card-desc{font-size:13px;color:var(--muted);line-height:1.7;flex:1}
.card-link{font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--accent);transition:color .25s}.card-link:hover{color:var(--primary-lt)}

/* ── ARTICLE PAGE ────────────────────────────────────── */
.article{padding-top:88px;max-width:100%}

.article-header{padding:72px 5vw 60px;border-bottom:1px solid rgba(255,255,255,.04);max-width:820px;margin:0 auto}
.article-eyebrow{font-size:10px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);display:flex;align-items:center;gap:12px;margin-bottom:28px}
.article-eyebrow::before{content:'';display:inline-block;width:28px;height:1px;background:var(--accent);flex-shrink:0}
.article-title{font-size:clamp(32px,5.5vw,68px);font-weight:400;line-height:.95;letter-spacing:-.045em;margin-bottom:24px}
.article-meta{display:flex;align-items:center;gap:10px;margin-bottom:24px}
.article-date,.article-read{font-size:12px;color:var(--label);font-weight:500;letter-spacing:.04em}
.meta-sep{color:var(--label);font-size:12px}
.article-intro{font-size:clamp(16px,1.5vw,20px);color:var(--muted);line-height:1.65;font-weight:300;letter-spacing:-.01em}
.article-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px}
.tag{font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:5px 12px;background:rgba(37,99,235,.12);border:1px solid rgba(37,99,235,.2);border-radius:4px;color:var(--primary-lt)}

/* ── ARTICLE BODY ────────────────────────────────────── */
.article-body{padding:60px 5vw;max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:52px}

.article-section{}
.section-title{font-size:clamp(20px,2.2vw,30px);font-weight:600;letter-spacing:-.03em;line-height:1.15;margin-bottom:20px;color:var(--text)}
.section-content{font-size:15px;color:var(--muted);line-height:1.78}
.section-content p{margin-bottom:16px}.section-content p:last-child{margin-bottom:0}
.section-content ul{padding-left:0;display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.section-content li{font-size:15px;color:var(--muted);line-height:1.7;padding-left:20px;position:relative}
.section-content li::before{content:'→';position:absolute;left:0;color:var(--accent);font-size:12px;top:2px}
.section-content strong{color:var(--text);font-weight:600}
.section-content em{font-style:italic;color:var(--primary-lt)}

.article-conclusion{padding:40px;background:var(--surf-card);border-left:3px solid var(--accent)}
.article-conclusion p{font-size:16px;color:var(--text);line-height:1.7;font-weight:400;letter-spacing:-.01em}

/* ── ARTICLE CTA ─────────────────────────────────────── */
.article-cta{padding:88px 5vw;background:var(--surface);text-align:center;position:relative;overflow:hidden}
.article-cta::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 50% 60% at 50% 50%,var(--accent-glow) 0%,transparent 70%);pointer-events:none}
.cta-inner{position:relative;z-index:1;max-width:600px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:20px}
.cta-eyebrow{font-size:10px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);display:flex;align-items:center;gap:12px}
.cta-eyebrow::before{content:'';display:inline-block;width:20px;height:1px;background:var(--accent)}
.cta-title{font-size:clamp(28px,4vw,52px);font-weight:300;letter-spacing:-.045em;line-height:.95}
.cta-desc{font-size:14px;color:var(--muted);line-height:1.72;max-width:440px}

/* ── BTN05 ───────────────────────────────────────────── */
.btn05{position:relative;display:inline-flex;align-items:stretch;background:var(--bg);border:1px solid rgba(255,255,255,.1);border-radius:10px;overflow:hidden;cursor:pointer;color:var(--text);text-decoration:none;font-family:var(--font);transition:border-color .35s,box-shadow .35s,transform .22s var(--ease)}
.btn05:hover{border-color:rgba(255,255,255,.25);box-shadow:0 8px 28px rgba(0,0,0,.5);transform:translateY(-2px)}
.btn05_bg{position:absolute;inset:0;background:rgba(255,255,255,.03);opacity:0;transition:opacity .35s;pointer-events:none}.btn05:hover .btn05_bg{opacity:1}
.btn05_inner{display:inline-flex;align-items:center;flex:1;overflow:hidden}
.btn05_text{display:block;padding:14px 16px 14px 22px;font-size:14px;font-weight:600;white-space:nowrap;flex:1;letter-spacing:.02em}
.btn05:hover .btn05_text{animation:btnTxt .44s cubic-bezier(.77,0,.175,1) forwards}
@keyframes btnTxt{0%{transform:translateX(0);opacity:1}38%{transform:translateX(115%);opacity:0}39%{transform:translateX(-115%);opacity:0}100%{transform:translateX(0);opacity:1}}
.btn05_icon-wrap{display:flex;align-items:center;gap:8px;padding:0 18px;align-self:stretch;flex-shrink:0}
.btn05_arrow{position:relative;width:18px;height:27px;flex-shrink:0}
.btn05_dot{position:absolute;top:calc(var(--r) * 6px);left:calc(var(--c) * 7.5px);width:2.5px;height:2.5px;border-radius:50%;background:rgba(255,255,255,.72)}
.btn05:hover .btn05_dot{animation:btn05dp .5s ease forwards;animation-delay:calc((2 - var(--ai)) * 75ms + var(--r) * 12ms)}
@keyframes btn05dp{0%{transform:scale(1);background:rgba(255,255,255,.72)}50%{transform:scale(2);background:#fff}100%{transform:scale(1);background:rgba(255,255,255,.72)}}

/* ── FOOTER ──────────────────────────────────────────── */
.footer{padding:44px 5vw;border-top:1px solid rgba(255,255,255,.04)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;letter-spacing:-.02em}
.footer-logo img{width:24px;height:24px;object-fit:contain}
.footer-copy{font-size:11px;color:var(--label)}