/* ===========================
   Southwest Tech — dark terminal theme
   =========================== */

:root {
  --font-sans: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --color-bg:       #1C1C19;
  --color-surface:  #242420;
  --color-surface2: #2C2C28;
  --color-border:   rgba(232,224,208,0.08);
  --color-border-strong: rgba(232,224,208,0.15);
  --color-text:     #E8E0D0;
  --color-muted:    #8A8A7A;
  --color-faint:    rgba(232,224,208,0.25);
  --color-accent:   #C8B89A;
  --color-accent-dim: rgba(200,184,154,0.15);

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;

  --max-width: 900px;
  --header-height: 56px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ---- Layout ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- Header ---- */
.site-header {
  height: var(--header-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 400;
  font-size: 15px;
}
.logo-mark {
  width: 30px;
  height: 30px;
  background: var(--color-text);
  color: var(--color-bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}
.logo-mark.small { width: 22px; height: 22px; font-size: 9px; }
.site-nav { display: flex; gap: 0; }
.nav-link {
  padding: 0.35rem 0.7rem;
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--color-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
}
.nav-link:hover { color: var(--color-text); background: var(--color-surface2); }
.nav-link.active { color: var(--color-text); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 4px; }
.nav-toggle span { display: block; width: 20px; height: 1px; background: var(--color-text); }

/* ---- Hero ---- */
.hero {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--color-border);
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-muted);
  letter-spacing: 0.06em;
  margin-bottom: 1.5rem;
}
.hero-heading {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  color: var(--color-text);
}
.hero-sub {
  font-size: 1rem;
  color: var(--color-muted);
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.75;
}
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-family: var(--font-mono);
  font-weight: 400;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
  border: 1px solid transparent;
  letter-spacing: 0.01em;
}
.btn:hover { opacity: 0.8; transform: translateY(-1px); }
.btn-primary { background: var(--color-text); color: var(--color-bg); }
.btn-ghost { background: transparent; border-color: var(--color-border-strong); color: var(--color-text); }
.text-link { font-size: 13px; color: var(--color-accent); text-decoration: none; font-family: var(--font-mono); }
.text-link:hover { text-decoration: underline; }

/* ---- Topics ---- */
.topics-section { padding: 2.5rem 0; border-bottom: 1px solid var(--color-border); }
.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-muted);
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
  font-weight: 400;
}
.topic-pills { display: flex; flex-wrap: wrap; gap: 7px; }
.topic-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 99px;
  border: 1px solid var(--color-border-strong);
  color: var(--color-faint);
  background: transparent;
  letter-spacing: 0.02em;
  transition: border-color 0.15s, color 0.15s;
}

/* ---- About strip ---- */
.about-strip { padding: 4rem 0; border-bottom: 1px solid var(--color-border); }
.about-strip-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.about-strip-text h2 { font-size: 1.35rem; font-weight: 300; margin-bottom: 1rem; line-height: 1.3; color: var(--color-text); }
.about-strip-text p { color: var(--color-muted); margin-bottom: 1rem; font-size: 14px; }
.conduct-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.conduct-card-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-muted);
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}
.conduct-card-title { font-size: 1rem; font-weight: 400; margin-bottom: 0.75rem; color: var(--color-text); }
.conduct-card-desc { font-size: 13px; color: var(--color-muted); line-height: 1.65; margin-bottom: 1rem; }

/* ---- Events ---- */
.events-preview { padding: 4rem 0; }
.section-header-row { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 1.5rem; }
.event-card {
  display: flex;
  gap: 1.25rem;
  padding: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: 0.6rem;
  align-items: flex-start;
  transition: border-color 0.15s;
}
.event-card:hover { border-color: var(--color-border-strong); }
.event-card-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 44px;
  background: var(--color-surface2);
  border-radius: var(--radius-md);
  padding: 7px 10px;
  border: 1px solid var(--color-border);
}
.event-day { font-size: 1.3rem; font-weight: 500; line-height: 1; font-family: var(--font-mono); color: var(--color-text); }
.event-month { font-size: 10px; color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.07em; margin-top: 3px; font-family: var(--font-mono); }
.event-card-body h3 { font-size: 0.95rem; font-weight: 400; margin-bottom: 4px; }
.event-card-body h3 a { color: var(--color-text); text-decoration: none; }
.event-card-body h3 a:hover { color: var(--color-accent); }
.event-card-location { font-size: 12px; color: var(--color-muted); margin-bottom: 4px; font-family: var(--font-mono); }
.event-card-desc { font-size: 13px; color: var(--color-muted); }
.no-events {
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-muted);
  font-size: 13px;
  font-family: var(--font-mono);
}
.no-events a { color: var(--color-accent); }

/* ---- Page ---- */
.page-header { padding: 3rem 0 2rem; border-bottom: 1px solid var(--color-border); }
.page-header h1 { font-size: 1.85rem; font-weight: 300; letter-spacing: -0.01em; color: var(--color-text); }
.page-desc { color: var(--color-muted); margin-top: 0.5rem; font-size: 14px; }
.page-body { padding: 2.5rem 0 4rem; max-width: 660px; }
.page-body h2 { font-size: 1rem; font-weight: 500; margin: 2rem 0 0.5rem; font-family: var(--font-mono); color: var(--color-text); letter-spacing: 0.02em; }
.page-body h3 { font-size: 0.9rem; font-weight: 500; margin: 1.5rem 0 0.25rem; font-family: var(--font-mono); color: var(--color-accent); }
.page-body p { color: var(--color-muted); margin-bottom: 1rem; font-size: 14px; }
.page-body ul { color: var(--color-muted); padding-left: 1.25rem; margin-bottom: 1rem; }
.page-body li { margin-bottom: 0.25rem; font-size: 14px; }
.page-body a { color: var(--color-accent); }
.page-body hr { border: none; border-top: 1px solid var(--color-border); margin: 2rem 0; }
.page-body strong { color: var(--color-text); font-weight: 500; }

/* ---- Event single ---- */
.event-single { padding: 3rem 0 4rem; max-width: 660px; }
.event-meta-bar {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 1rem;
  font-size: 12px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  flex-wrap: wrap;
}
.event-single h1 { font-size: 1.6rem; font-weight: 300; margin-bottom: 1.5rem; color: var(--color-text); }
.event-body p { color: var(--color-muted); margin-bottom: 1rem; font-size: 14px; }
.event-body a { color: var(--color-accent); }
.event-body strong { color: var(--color-text); font-weight: 500; }
.event-rsvp { margin-top: 2rem; padding-top: 2rem; border-top: 1px solid var(--color-border); display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
.event-rsvp-note { font-size: 12px; color: var(--color-muted); font-family: var(--font-mono); }

/* ---- Footer ---- */
.site-footer { border-top: 1px solid var(--color-border); padding: 2rem 0; }
.footer-inner { display: flex; flex-direction: column; gap: 0.4rem; }
.footer-brand { display: flex; align-items: center; gap: 8px; font-size: 13px; margin-bottom: 0.25rem; font-family: var(--font-mono); color: var(--color-text); }
.footer-desc { font-size: 12px; color: var(--color-muted); font-family: var(--font-mono); }
.footer-tagline { font-family: var(--font-mono); font-size: 11px; color: rgba(232,224,208,0.12); margin-top: 0.25rem; }

/* ---- Post ---- */
.post { padding: 3rem 0 4rem; max-width: 660px; }
.post-header { margin-bottom: 2rem; }
.post-date { font-family: var(--font-mono); font-size: 11px; color: var(--color-muted); margin-bottom: 0.5rem; }
.post-header h1 { font-size: 1.6rem; font-weight: 300; color: var(--color-text); }
.post-body p { color: var(--color-muted); margin-bottom: 1rem; font-size: 14px; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border-strong); border-radius: 3px; }

/* ---- Selection ---- */
::selection { background: var(--color-accent-dim); color: var(--color-text); }

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .about-strip-inner { grid-template-columns: 1fr; gap: 2rem; }
  .site-nav { display: none; }
  .site-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0; right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 1.5rem;
    gap: 4px;
  }
  .nav-toggle { display: flex; }
  .hero { padding: 3rem 0 2.5rem; }
}