/* ═══════════════════════════════════════════════════════════
   TEKOVE — shared stylesheet for secondary pages (blog, ai,
   compliance, changelog). index.html keeps its inline CSS.
   Tokens mirror the design system in index.html.
═══════════════════════════════════════════════════════════ */
:root{
  --navy:#0B1F4A; --navy-deep:#060D22;
  --blue:#1A4FCC; --blue-mid:#2563EB; --blue-light:#3B82F6; --blue-pale:#EBF2FF;
  --red:#C8102E; --red-mid:#E02035; --red-pale:#FFF0F2;
  --white:#FFFFFF; --ink:#0A0F20;
  --gray-50:#F7F9FF; --gray-100:#EEF2FB; --gray-200:#DDE4F0;
  --gray-400:#94A3B8; --gray-600:#475569; --gray-800:#1E293B;
  --ff-head:'Space Grotesk',sans-serif; --ff-body:'Inter',sans-serif;
  --r-sm:8px; --r:16px; --r-lg:24px;
  --sh-card:0 2px 20px rgba(11,31,74,.08),0 1px 4px rgba(11,31,74,.05);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--ff-body);color:var(--ink);background:var(--white);line-height:1.7;font-size:1.02rem;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}

/* ── Top nav ── */
.tk-nav{position:sticky;top:0;z-index:50;background:var(--navy-deep);border-bottom:1px solid rgba(255,255,255,.08)}
.tk-nav__in{max-width:1080px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:24px}
.tk-nav__logo{font-family:var(--ff-head);font-weight:700;font-size:1.35rem;color:var(--white);text-decoration:none;letter-spacing:-.02em}
.tk-nav__logo em{color:var(--red-mid);font-style:normal}
.tk-nav__links{margin-left:auto;display:flex;gap:20px;flex-wrap:wrap}
.tk-nav__links a{color:var(--gray-200);text-decoration:none;font-size:.9rem;font-weight:500}
.tk-nav__links a:hover{color:var(--white)}
.tk-nav__cta{background:var(--red-mid);color:var(--white)!important;padding:7px 16px;border-radius:100px;font-weight:700!important}

/* ── Page hero strip ── */
.tk-hero{background:linear-gradient(160deg,var(--navy-deep),var(--navy) 70%);color:var(--white);padding:64px 24px 56px}
.tk-hero__in{max-width:820px;margin:0 auto}
.tk-hero .kicker{font-family:var(--ff-head);font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--red-mid);margin-bottom:14px}
.tk-hero h1{font-family:var(--ff-head);font-size:clamp(1.9rem,4.5vw,2.9rem);line-height:1.15;letter-spacing:-.02em;margin-bottom:16px}
.tk-hero .sub{color:var(--gray-200);font-size:1.08rem;max-width:640px}

/* ── Article / content body ── */
.tk-main{max-width:820px;margin:0 auto;padding:48px 24px 80px}
.tk-main h2{font-family:var(--ff-head);font-size:1.55rem;letter-spacing:-.015em;color:var(--navy);margin:44px 0 14px}
.tk-main h3{font-family:var(--ff-head);font-size:1.15rem;color:var(--navy);margin:30px 0 10px}
.tk-main p{margin-bottom:16px;color:var(--gray-800)}
.tk-main ul,.tk-main ol{margin:0 0 16px 22px;color:var(--gray-800)}
.tk-main li{margin-bottom:8px}
.tk-main a{color:var(--blue-mid)}
.tk-main strong{color:var(--navy)}
.tk-main blockquote{border-left:3px solid var(--red-mid);padding:6px 0 6px 18px;margin:20px 0;color:var(--gray-600);font-style:italic}

/* tables */
.tk-table-wrap{overflow-x:auto;margin:20px 0}
.tk-main table{border-collapse:collapse;width:100%;font-size:.92rem}
.tk-main th{background:var(--gray-100);font-family:var(--ff-head);text-align:left;color:var(--navy)}
.tk-main th,.tk-main td{border:1px solid var(--gray-200);padding:10px 14px;vertical-align:top}

/* fact card / callout */
.tk-card{background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--r);padding:22px 24px;margin:22px 0;box-shadow:var(--sh-card)}
.tk-card--navy{background:var(--navy);color:var(--gray-100);border-color:var(--navy)}
.tk-card--navy h3,.tk-card--navy strong{color:var(--white)}
.tk-callout{background:var(--blue-pale);border-left:3px solid var(--blue-mid);border-radius:var(--r-sm);padding:14px 18px;margin:20px 0;font-size:.95rem}
.tk-callout--warn{background:var(--red-pale);border-left-color:var(--red-mid)}

/* meta row (dates, author) */
.tk-meta{display:flex;gap:14px;flex-wrap:wrap;align-items:center;color:var(--gray-400);font-size:.85rem;margin-bottom:26px}
.tk-badge{display:inline-block;background:var(--blue-pale);color:var(--blue-mid);font-family:var(--ff-head);font-weight:700;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;padding:4px 12px;border-radius:100px}

/* author box */
.tk-author{display:flex;gap:16px;align-items:center;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--r);padding:18px 20px;margin:40px 0 0}
.tk-author__avatar{width:52px;height:52px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--ff-head);font-weight:700;flex-shrink:0}
.tk-author__name{font-family:var(--ff-head);font-weight:700;color:var(--navy)}
.tk-author__role{font-size:.85rem;color:var(--gray-600)}

/* CTA banner */
.tk-cta{background:linear-gradient(150deg,var(--navy),var(--blue));border-radius:var(--r-lg);padding:36px 32px;margin:48px 0 0;color:var(--white);text-align:center}
.tk-cta h3{font-family:var(--ff-head);font-size:1.4rem;margin-bottom:8px;color:var(--white)}
.tk-cta p{color:var(--gray-200);margin-bottom:18px}
.tk-cta a{display:inline-block;background:var(--red-mid);color:var(--white);text-decoration:none;font-family:var(--ff-head);font-weight:700;padding:12px 28px;border-radius:100px}

/* blog list */
.tk-postlist{display:grid;gap:22px;margin-top:8px}
.tk-post{display:block;border:1px solid var(--gray-200);border-radius:var(--r);padding:24px 26px;text-decoration:none;color:inherit;background:var(--white);box-shadow:var(--sh-card);transition:transform .15s ease,box-shadow .15s ease}
.tk-post:hover{transform:translateY(-2px);box-shadow:0 8px 40px rgba(11,31,74,.14)}
.tk-post h2{font-family:var(--ff-head);font-size:1.25rem;color:var(--navy);margin:8px 0 8px}
.tk-post p{color:var(--gray-600);font-size:.95rem;margin:0}
.tk-post .tk-meta{margin:10px 0 0}

/* changelog */
.tk-log{border-left:2px solid var(--gray-200);margin:26px 0 0 6px;padding-left:26px}
.tk-log__item{position:relative;margin-bottom:34px}
.tk-log__item::before{content:'';position:absolute;left:-33px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--red-mid);border:2px solid var(--white);box-shadow:0 0 0 2px var(--red-mid)}
.tk-log__date{font-family:var(--ff-head);font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--gray-400)}
.tk-log__title{font-family:var(--ff-head);font-size:1.15rem;color:var(--navy);margin:4px 0 8px}

/* footer */
.tk-footer{background:var(--navy-deep);color:var(--gray-400);margin-top:64px}
.tk-footer__in{max-width:1080px;margin:0 auto;padding:36px 24px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;font-size:.85rem}
.tk-footer a{color:var(--gray-200);text-decoration:none;margin-left:18px}
.tk-footer a:hover{color:var(--white)}

@media (max-width:640px){
  .tk-nav__links{gap:12px}
  .tk-main{padding:36px 18px 60px}
}