/* ============================================================================
   Nexum Hosting — static site stylesheet
   Brand tokens per docs/MASTER-PLAN.md §6 (extracted from live nxm.nu).
   Light mode is DEFAULT; dark mode via html.dark (bootstrap script sets it
   from localStorage or prefers-color-scheme before first paint).
   ========================================================================== */

:root {
  /* Light mode (default) — MASTER-PLAN §6 light column */
  --bg: #fafafa;                 /* neutral-50 */
  --bg-alt: #ffffff;
  --card: #ffffff;               /* solid light card */
  --border: #ccfbf1;             /* teal-100 */
  --text: #262626;               /* neutral-800 */
  --text-2: #525252;             /* neutral-600 (body secondary, AA) */
  --text-muted: #6b7280;
  --accent: #14b8a6;             /* decorative accent */
  --accent-text: #0f766e;        /* AA-safe text accent (5.47:1 on white) */
  --accent-contrast: #ffffff;    /* text on accent buttons */
  --accent-dim: #ccfbf1;
  --accent-2: #db2777;           /* sparing highlight (AA on white) */
  --glow: rgba(20, 184, 166, 0.10);
  --dot: rgba(20, 184, 166, 0.18);
  --header-bg: rgba(255, 255, 255, 0.85);
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 8px 24px rgba(15, 23, 42, 0.06);
  --font-head: "Space Grotesk", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --clip: 12px;                  /* signature angular cut */
}

html.dark {
  /* Dark mode — MASTER-PLAN §6 dark column */
  --bg: #050508;
  --bg-alt: #0a0a10;
  --card: rgba(10, 10, 16, 0.7); /* glassmorphism card bg + blur below */
  --border: rgba(0, 255, 200, 0.12);
  --text: #e0f0f0;
  --text-2: #8aa0a0;
  --text-muted: #5a7070;
  --accent: #32ffee;
  --accent-text: #32ffee;
  --accent-contrast: #050508;
  --accent-dim: #1e7a72;
  --accent-2: #ff198c;
  --glow: rgba(50, 255, 238, 0.08);
  --dot: rgba(50, 255, 238, 0.10);
  --header-bg: rgba(5, 5, 8, 0.8);
  --shadow: none;
}

/* ---- reset-ish ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.15; letter-spacing: -0.01em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 3px; border-radius: 2px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 1.25rem; }
.wrap.narrow { max-width: 780px; }
.center { text-align: center; }
.muted { color: var(--text-2); }
.small { font-size: 0.85rem; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: var(--accent-contrast);
  padding: 0.5rem 1rem; font-weight: 600;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

/* ---- angular clip: 12px cuts, top-right + bottom-left ---- */
.clip {
  clip-path: polygon(0 0, calc(100% - var(--clip)) 0, 100% var(--clip),
                     100% 100%, var(--clip) 100%, 0 calc(100% - var(--clip)));
}

/* ---- header / nav ---- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--header-bg);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-row { display: flex; align-items: center; gap: 1rem; min-height: 64px; }
.brand {
  font-family: var(--font-head); font-weight: 700; font-size: 1.25rem;
  letter-spacing: 0.06em; color: var(--text);
}
.brand:hover { text-decoration: none; }
.brand span { color: var(--accent-text); }
.site-header nav { margin-left: auto; }
.navlinks { display: flex; gap: 1.4rem; }
.navlinks a { color: var(--text-2); font-weight: 600; font-size: 0.95rem; }
.navlinks a:hover { color: var(--accent-text); text-decoration: none; }
.nav-actions { display: flex; align-items: center; gap: 0.6rem; }
.lang-toggle {
  font-size: 0.85rem; font-weight: 600; padding: 0.3rem 0.55rem;
  border: 1px solid var(--border); color: var(--text-2);
}
.lang-toggle:hover { color: var(--accent-text); text-decoration: none; border-color: var(--accent-dim); }
.theme-toggle {
  width: 34px; height: 34px; border: 1px solid var(--border); background: transparent;
  cursor: pointer; color: var(--text-2); font-size: 0.95rem; line-height: 1;
  display: inline-flex; align-items: center; justify-content: center;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}
.theme-toggle:hover { color: var(--accent-text); border-color: var(--accent-dim); }
html:not(.dark) .theme-toggle .moon { display: inline; }
html:not(.dark) .theme-toggle .sun { display: none; }
html.dark .theme-toggle .sun { display: inline; }
html.dark .theme-toggle .moon { display: none; }
.nav-toggle { display: none; }
.draft-strip {
  margin: 0; padding: 0.3rem 1.25rem; text-align: center;
  font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent-2); border-top: 1px dashed var(--border);
  background: transparent;
}

/* ---- buttons ---- */
.btn {
  display: inline-block; font-weight: 600; text-align: center;
  padding: 0.65rem 1.3rem; border: 1px solid transparent; cursor: pointer;
  font-family: var(--font-body); font-size: 0.95rem;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}
.btn:hover { text-decoration: none; }
.btn.sm { padding: 0.45rem 0.9rem; font-size: 0.85rem; }
.btn.lg { padding: 0.8rem 1.7rem; font-size: 1.02rem; }
.btn.block { display: block; width: 100%; }
.btn.primary { background: var(--accent); color: var(--accent-contrast); }
.btn.primary:hover { filter: brightness(1.06); }
.btn.ghost { border-color: var(--border); color: var(--text); background: transparent; }
.btn.ghost:hover { border-color: var(--accent-dim); color: var(--accent-text); }

/* ---- hero ---- */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(4rem, 12vh, 7.5rem) 0 clamp(3.5rem, 10vh, 6rem);
  background-image: radial-gradient(circle at 1px 1px, var(--dot) 1px, transparent 0);
  background-size: 26px 26px;
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(560px 340px at 18% 8%, var(--glow), transparent 70%),
    radial-gradient(640px 380px at 85% 90%, var(--glow), transparent 70%);
}
.hero .wrap { position: relative; }
.kicker {
  font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent-text); margin-bottom: 1rem;
}
.hero-sub { max-width: 46rem; font-size: 1.12rem; color: var(--text-2); }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.8rem; margin: 1.6rem 0 1.8rem; }
.badges { display: flex; flex-wrap: wrap; gap: 0.6rem 1.4rem; }
.badges li {
  font-size: 0.85rem; color: var(--text-2); display: flex; align-items: center; gap: 0.45rem;
}
.badges li::before {
  content: ""; width: 7px; height: 7px; background: var(--accent); flex: none;
  clip-path: polygon(0 0, calc(100% - 3px) 0, 100% 3px, 100% 100%, 3px 100%, 0 calc(100% - 3px));
}

/* ---- sections ---- */
.section { padding: clamp(3rem, 8vh, 5rem) 0; }
.section.alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-sub { color: var(--text-2); max-width: 44rem; margin-bottom: 2.2rem; }

/* ---- glass cards ---- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 1.4rem 1.3rem;
  box-shadow: var(--shadow);
}
.glass { -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.card-grid { display: grid; gap: 1.1rem; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.card h3 { color: var(--text); }
.card p { color: var(--text-2); margin: 0; font-size: 0.95rem; }

/* ---- pricing ---- */
.plan-grid { display: grid; gap: 1.1rem; grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); align-items: stretch; }
.plan { display: flex; flex-direction: column; position: relative; }
.plan.popular { border-color: var(--accent); border-width: 1px; box-shadow: 0 0 0 1px var(--accent) inset, var(--shadow); }
.plan-badge {
  position: absolute; top: 0; right: 0; margin: 0;
  background: var(--accent); color: var(--accent-contrast);
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.22rem 0.6rem 0.22rem 0.75rem;
  clip-path: polygon(8px 0, 100% 0, 100% 100%, 0 100%);
}
.price { display: flex; align-items: baseline; gap: 0.3rem; margin: 0.4rem 0 1rem; }
.price .amount { font-family: var(--font-head); font-size: 2.2rem; font-weight: 700; color: var(--accent-text); }
.price .per { color: var(--text-muted); font-size: 0.9rem; }
.spec { margin: 0 0 1.2rem; display: grid; gap: 0.45rem; }
.spec > div { display: flex; justify-content: space-between; gap: 0.8rem; font-size: 0.85rem; }
.spec dt { color: var(--text-muted); }
.spec dd { margin: 0; color: var(--text); font-family: var(--mono); font-size: 0.8rem; text-align: right; }
.plan .btn { margin-top: auto; }

/* ---- how it works ---- */
.steps { display: grid; gap: 1.1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); counter-reset: step; }
.step-n {
  display: inline-flex; width: 30px; height: 30px; align-items: center; justify-content: center;
  background: var(--accent); color: var(--accent-contrast); font-weight: 700; font-size: 0.9rem;
  margin-bottom: 0.8rem;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}
.steps .card p { margin: 0; }

/* ---- FAQ ---- */
.faq { display: grid; gap: 0.7rem; }
.faq details { border: 1px solid var(--border); background: var(--card); padding: 0; }
.glass details, details.glass { -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.faq summary {
  cursor: pointer; padding: 0.9rem 1.1rem; font-weight: 600;
  font-family: var(--font-head); font-size: 0.98rem; list-style: none;
  position: relative; padding-right: 2.4rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 1.1rem; top: 50%; translate: 0 -55%;
  color: var(--accent-text); font-weight: 700;
}
.faq details[open] summary::after { content: "\2013"; }
.faq details[open] summary { color: var(--accent-text); }
.faq details p { padding: 0 1.1rem 1rem; margin: 0; color: var(--text-2); font-size: 0.95rem; }

/* ---- final CTA ---- */
.cta-final { padding-bottom: clamp(4rem, 10vh, 6rem); }
.cta-final h2 { margin-bottom: 1.2rem; }

/* ---- footer ---- */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-alt); padding: 2.5rem 0 1.5rem; }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: 1.4fr 1fr 1fr 1fr; }
.footer-brand { font-size: 1.1rem; margin-bottom: 0.4rem; }
.footer-h { font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.7rem; }
.footer-links { display: grid; gap: 0.4rem; }
.footer-links a { color: var(--text-2); font-size: 0.92rem; }
.footer-links a:hover { color: var(--accent-text); }
.footer-base { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.footer-base p { margin: 0; }

/* ---- legal draft banner ---- */
.draft-banner {
  border: 1px dashed var(--accent-2); color: var(--accent-2);
  padding: 0.6rem 0.9rem; font-size: 0.85rem; font-weight: 600;
}

/* ---- responsive nav ---- */
@media (max-width: 920px) {
  .nav-toggle {
    display: inline-flex; flex-direction: column; gap: 4px; justify-content: center;
    width: 38px; height: 34px; padding: 0 8px; margin-left: auto;
    background: transparent; border: 1px solid var(--border); cursor: pointer;
  }
  .nav-toggle span { display: block; height: 2px; width: 100%; background: var(--text-2); }
  .site-header nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: var(--header-bg); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border); padding: 0.8rem 1.25rem 1.2rem;
  }
  .site-header nav.open { display: block; }
  .navlinks { flex-direction: column; gap: 0.9rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.6rem; }
}
@media (max-width: 560px) {
  .nav-actions .btn.ghost.sm { display: none; } /* keep header tight; login stays in footer */
}

/* Media sections (agent.html) */
.media-card img { width: 100%; border-radius: 10px; display: block; }
.media-card figcaption { margin-top: 0.5rem; font-size: 0.9rem; opacity: 0.8; }
.video-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.25rem; margin-top: 1.5rem; }
.video-embed iframe { width: 100%; aspect-ratio: 16 / 9; border: 0; border-radius: 10px; }
.video-embed p { margin-top: 0.4rem; font-size: 0.9rem; opacity: 0.8; }
.more-link { margin-top: 1.5rem; }
.more-link a { font-weight: 600; }

/* --- Agent page: full-width screenshot frame + detail group titles --- */
.shot-frame {
  max-width: 720px;
  margin: 1.5rem auto 0.5rem;
  cursor: zoom-in;
  transition: box-shadow 0.2s ease;
  border: 1px solid var(--border, rgba(255,255,255,0.12));
  border-radius: var(--radius, 14px);
  overflow: hidden;
  background: rgba(255,255,255,0.03);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}
.shot-frame img {
  display: block;
  width: 100%;
  height: auto;
}
.shot-frame figcaption {
  padding: 0.75rem 1.1rem;
  font-size: 0.9rem;
  color: var(--text-2, #9aa3b2);
  border-top: 1px solid var(--border, rgba(255,255,255,0.12));
}
.group-title {
  margin: 2.4rem 0 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2, #9aa3b2);
}

.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0,0,0,0.85);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  padding: 2rem;
}
.lightbox-overlay.open { display: flex; }
.lightbox-overlay img {
  max-width: 96vw;
  max-height: 92vh;
  border-radius: var(--radius, 14px);
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
}

/* Legal pages: item lists (terms/privacy) */
.legal-list {
  margin: 1.25rem 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.9rem;
}
.legal-list li::marker {
  color: var(--accent, #7c8cf8);
}

/* ---- agent page: article flow ---- */
.article-flow { max-width: 780px; }
.theme-block { margin-bottom: 2.6rem; }
.theme-block h3 { margin-bottom: 0.6rem; }
.theme-block .shot-frame { max-width: 100%; margin-top: 1.1rem; }
.hero-tag { font-weight: 600; font-size: 1.12rem; }
.center-sub { margin-left: auto; margin-right: auto; }