/* =========================================================================
 * host.1krok.link shared base styles
 * Day 15 dedupe — extracted from 4 inline <style> blocks
 * Last update: 2026-05-19
 * ========================================================================= */

/* RESET + VARIABLES */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue:#0055FF;
  --blue-hover:#0044CC;
  --dark:#0f172a;
  --dark-card:#1e293b;
  --gray-50:#f8fafc;
  --gray-100:#f1f5f9;
  --gray-200:#e2e8f0;
  --gray-300:#cbd5e1;
  --gray-400:#94a3b8;
  --gray-500:#64748b;
  --gray-600:#475569;
  --gray-700:#334155;
  --gray-800:#1e293b;
  --gray-900:#0f172a;
  --green:#22c55e;
  --yellow:#eab308;
  --red:#ef4444;
  --font:'Inter',system-ui,sans-serif;
  --heading:'Unbounded',sans-serif;
  --mono:'JetBrains Mono',monospace;
  --radius:12px;
  --radius-sm:8px;
}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--font);color:var(--gray-900);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--heading)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font-family:inherit;border:none;outline:none}

/* NAV (shared header) */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--gray-200);transition:box-shadow .3s}
.nav.scrolled{box-shadow:0 1px 12px rgba(0,0,0,.08)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-weight:800;font-size:1.05rem;letter-spacing:-.02em}
.nav-logo span{color:var(--blue)}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-size:.9rem;font-weight:500;color:var(--gray-600);transition:color .2s}
.nav-links a:hover{color:var(--gray-900)}
.nav-cta{display:inline-flex;align-items:center;gap:6px;background:var(--blue);color:#fff!important;padding:8px 18px;border-radius:var(--radius-sm);font-weight:600;font-size:.875rem;transition:background .2s}
.nav-cta:hover{background:var(--blue-hover)}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.burger span{display:block;width:22px;height:2px;background:var(--gray-900);border-radius:2px;transition:all .3s}
.burger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.mobile-menu{display:none;position:fixed;top:64px;left:0;right:0;background:#fff;padding:16px 24px;box-shadow:0 4px 16px rgba(0,0,0,.1);z-index:99;flex-direction:column;gap:12px}
.mobile-menu.open{display:flex}
.mobile-menu a{font-size:1rem;font-weight:500;color:var(--gray-600);padding:8px 0}

/* BUTTONS (shared) */
.btn-primary{display:inline-flex;align-items:center;gap:6px;background:var(--blue);color:#fff;padding:14px 28px;border-radius:var(--radius-sm);font-weight:700;font-size:1rem;transition:background .2s,transform .15s;cursor:pointer}
.btn-primary:hover{background:var(--blue-hover);transform:translateY(-1px)}
.btn-secondary{display:inline-flex;align-items:center;gap:6px;background:var(--gray-100);color:var(--gray-700);padding:14px 28px;border-radius:var(--radius-sm);font-weight:600;font-size:1rem;transition:background .2s,transform .15s;border:1px solid var(--gray-200);cursor:pointer}
.btn-secondary:hover{background:var(--gray-200);transform:translateY(-1px)}

/* SECTION wrappers (shared structure) */
.section{padding:80px 24px}
.section-inner{max-width:1200px;margin:0 auto}
.section-title{font-size:2rem;font-weight:800;letter-spacing:-.02em;text-align:center;margin-bottom:12px}
.section-subtitle{text-align:center;color:var(--gray-500);font-size:1.05rem;margin-bottom:48px;max-width:600px;margin-left:auto;margin-right:auto}

/* FOOTER (Day 10 + 11) */
.footer{background:#0f172a;color:#cbd5e1;padding:32px 0 24px;margin-top:64px}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 24px}
.footer-links{display:flex;flex-wrap:wrap;gap:24px;padding-bottom:16px;border-bottom:1px solid #1e293b;margin-bottom:16px}
.footer-links a{color:#cbd5e1;text-decoration:none;font-size:14px;transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-ecosystem{padding-bottom:16px;margin-bottom:16px;border-bottom:1px solid #1e293b}
.footer-eco-title{font-size:13px;font-weight:600;color:#94a3b8;text-transform:uppercase;letter-spacing:0.5px;margin:0 0 12px}
.footer-eco-links{display:flex;flex-wrap:wrap;gap:20px}
.footer-eco-link{color:#cbd5e1;text-decoration:none;font-size:14px}
.footer-eco-link:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:13px;color:#64748b}
.footer-bottom a{color:#94a3b8;text-decoration:none}
.footer-bottom a:hover{color:#fff}

/* SCROLL-TOP BTN (Day 9.5) */
.scroll-top-btn{position:fixed;bottom:24px;right:24px;width:48px;height:48px;border-radius:50%;border:none;background:#0055FF;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(0,85,255,0.4);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s ease;z-index:999}
.scroll-top-btn.visible{opacity:1;visibility:visible;transform:translateY(0)}
.scroll-top-btn:hover{background:#0044CC;transform:translateY(-2px);box-shadow:0 6px 25px rgba(0,85,255,0.5)}

/* MOBILE RESPONSIVE — shared rules */
@media(max-width:768px){
  .nav-links a{display:none}
  .burger{display:flex}
  .section-title{font-size:1.6rem}
  .footer-links{flex-direction:column;gap:14px}
  .footer-bottom{flex-direction:column;gap:8px}
}