/* ============================================================
   site.css — Shared stylesheet for Linux & VPS Guides
   drunkenwalnuts.com
   ============================================================ */

/* ── Google Fonts are loaded in each HTML <head> ── */

/* ────────────────────────
   CSS CUSTOM PROPERTIES
──────────────────────── */
:root {
  --bg:          #080c14;
  --bg2:         #0d1220;
  --bg3:         #111827;
  --bg4:         #1a2235;
  --border:      #1e2d45;
  --border2:     #2a3f5f;
  --accent:      #00d4ff;
  --accent2:     #7c3aed;
  --orange:      #f97316;
  --green:       #10b981;
  --purple-soft: #a855f7;
  --red:         #ef4444;
  --yellow:      #f59e0b;
  --amber:       #f59e0b;
  --text:        #e2e8f0;
  --text2:       #8b949e;
  --text3:       #4a5568;
  --mono:        'JetBrains Mono', monospace;
  --sans:        'Syne', sans-serif;
  --site-nav-h:  49px;   /* sticky nav height — update if nav padding changes */
}

/* ────────────────────────
   RESET & BASE
──────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ────────────────────────
   GRID BACKGROUND
──────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}

/* ────────────────────────
   GLOW BLOBS
──────────────────────── */
.blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}
.blob-1 {
  width: 600px; height: 600px;
  top: -200px; left: -200px;
  background: radial-gradient(circle, rgba(124,58,237,0.18) 0%, transparent 70%);
}
.blob-2 {
  width: 500px; height: 500px;
  bottom: -150px; right: -100px;
  background: radial-gradient(circle, rgba(0,212,255,0.12) 0%, transparent 70%);
}

/* ────────────────────────
   LAYOUT WRAPPERS
──────────────────────── */
.wrap {
  position: relative;
  z-index: 1;
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Narrower reading column used by guide pages */
.content-wrap {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ────────────────────────
   NAV
──────────────────────── */

/*
 * .site-shell — a self-contained, full-width strip used ONLY by nav and footer.
 * It has its own fixed max-width and horizontal padding that are NEVER
 * overridden by page-level .wrap or .content-wrap rules.
 * Every page's nav and footer should use <div class="site-shell nav-inner"> /
 * <div class="site-shell footer-inner"> instead of <div class="wrap nav-inner">.
 */
.site-shell {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 24px;
}

nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: rgba(8,12,20,0.88);
  backdrop-filter: blur(14px);
  /* Ensure nav itself always spans the full viewport width */
  width: 100%;
  box-sizing: border-box;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.nav-logo {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.5px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo .prompt { color: var(--accent2); }
.nav-logo .cursor {
  display: inline-block;
  width: 2px; height: 1em;
  background: var(--accent);
  margin-left: 2px;
  animation: blink 1.1s step-end infinite;
  vertical-align: text-bottom;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text2);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover  { color: var(--accent); }
.nav-links a.active { color: var(--accent); }

/* ────────────────────────
   HERO  (shared across all pages)
──────────────────────── */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}
/* index.html uses slightly more vertical padding */
.hero--home {
  padding: 96px 0 72px;
}

.hero-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(0,212,255,0.3);
  padding: 5px 16px;
  border-radius: 2px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1px;
  margin-bottom: 22px;
}
/* index.html uses a slightly larger h1 */
.hero--home h1 {
  font-size: clamp(2.2rem, 6vw, 4.2rem);
}

.hero h1 .line-1 { display: block; color: var(--text); }
.hero h1 .line-2 {
  display: block;
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  max-width: 560px;
  margin: 0 auto 36px;
  font-size: 1.05rem;
  color: var(--text2);
  line-height: 1.75;
}

.hero-meta {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.meta-item {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text3);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.meta-item .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  display: inline-block;
}

/* ────────────────────────
   SECTION LABEL  (divider)
──────────────────────── */
.section-label {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}
.section-label span {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text3);
  white-space: nowrap;
}
.section-label::before,
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.section-label::before { display: none; }

/* guide pages use slightly more bottom margin */
.section-label--guide {
  margin-bottom: 36px;
}

/* ────────────────────────
   HOME — GUIDE CARDS
──────────────────────── */
.guides {
  padding-bottom: 100px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px 26px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

/* Radial mouse-follow glow */
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mx,50%) var(--my,50%), rgba(255,255,255,0.03), transparent 40%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.card:hover::before { opacity: 1; }
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

/* Per-card accent colours */
.card.card-ubuntu { --card-accent: var(--orange); }
.card.card-vps    { --card-accent: var(--green); }
.card.card-wg     { --card-accent: var(--accent); }
.card.card-ssh    { --card-accent: var(--purple-soft); }
.card.card-caddy  { --card-accent: #2dd4bf; }

.card:hover { border-color: var(--card-accent); }

/* Glowing top stripe on hover */
.card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--card-accent);
  opacity: 0;
  transition: opacity 0.25s;
}
.card:hover::after { opacity: 1; }

.card-icon { font-size: 2rem; line-height: 1; }

.card-tag {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--card-accent);
  border: 1px solid currentColor;
  padding: 3px 10px;
  border-radius: 2px;
  display: inline-block;
  width: fit-content;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--text);
  line-height: 1.25;
}

.card-desc {
  font-size: 0.875rem;
  color: var(--text2);
  line-height: 1.65;
  flex: 1;
}

.card-pills { display: flex; flex-wrap: wrap; gap: 6px; }
.pill {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--text3);
  background: var(--bg4);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 3px;
}

.card-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.card-cta-text {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--card-accent);
  letter-spacing: 0.5px;
}
.card-arrow {
  font-size: 1rem;
  color: var(--card-accent);
  transition: transform 0.2s;
}
.card:hover .card-arrow { transform: translateX(5px); }

/* ────────────────────────
   HOME — FEATURE STRIP
──────────────────────── */
.features {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 52px 0;
  margin-bottom: 80px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 36px;
}
.feature-item  { display: flex; flex-direction: column; gap: 10px; }
.feature-icon  { font-size: 1.4rem; }
.feature-label { font-size: 0.95rem; font-weight: 700; color: var(--text); }
.feature-desc  { font-size: 0.8rem; color: var(--text2); line-height: 1.6; }

/* ────────────────────────
   GUIDE PAGES — TABLE OF CONTENTS
──────────────────────── */
.toc-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px 32px;
  margin: 0 0 52px;
}
.toc-card h2 {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 18px;
}
.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.toc-list li { display: flex; align-items: center; gap: 12px; }
.toc-num {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--accent);
  min-width: 22px;
}
.toc-list a {
  font-size: 0.9rem;
  color: var(--text2);
  text-decoration: none;
  transition: color 0.2s;
  line-height: 1.4;
}
.toc-list a:hover { color: var(--accent); }

/* ────────────────────────
   GUIDE PAGES — STEP BLOCKS
──────────────────────── */
.guide-body { padding-bottom: 100px; }

.step-block {
  margin-bottom: 52px;
  scroll-margin-top: 80px;
}

.step-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.step-num {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 4px;
  padding: 4px 10px;
  white-space: nowrap;
  letter-spacing: 1px;
}
.step-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.3px;
}
.step-body {
  font-size: 0.95rem;
  color: var(--text2);
  line-height: 1.75;
  margin-bottom: 20px;
}
.step-body strong { color: var(--text); }
.step-body a { color: var(--accent); text-decoration: none; }
.step-body a:hover { text-decoration: underline; }

/* ────────────────────────
   GUIDE PAGES — CODE BLOCKS
──────────────────────── */
.code-block {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin: 16px 0;
}
.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg4);
}
.code-label {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text3);
}
.copy-btn {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text3);
  background: transparent;
  border: 1px solid var(--border2);
  border-radius: 3px;
  padding: 3px 10px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}
.copy-btn:hover  { color: var(--accent); border-color: var(--accent); }
.copy-btn.copied { color: var(--green);  border-color: var(--green); }

code.block {
  display: block;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text);
  padding: 18px 20px;
  white-space: pre;
  overflow-x: auto;
  line-height: 1.7;
}
code.block .comment     { color: var(--text3); }
code.block .cmd         { color: var(--accent); }
code.block .flag        { color: var(--accent2); }
code.block .str         { color: var(--green); }
code.block .placeholder { color: var(--orange); }

/* Inline code */
code.inline {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 3px;
  padding: 1px 6px;
}

/* ────────────────────────
   GUIDE PAGES — CALLOUT BOXES
──────────────────────── */
.callout {
  display: flex;
  gap: 14px;
  border-radius: 8px;
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 0.88rem;
  line-height: 1.65;
}
.callout-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.callout-text strong { display: block; margin-bottom: 4px; font-size: 0.82rem; letter-spacing: 0.5px; }

.callout.warning {
  background: rgba(245,158,11,0.07);
  border: 1px solid rgba(245,158,11,0.25);
  color: var(--text2);
}
.callout.warning strong { color: var(--yellow); }

.callout.danger {
  background: rgba(239,68,68,0.07);
  border: 1px solid rgba(239,68,68,0.25);
  color: var(--text2);
}
.callout.danger strong { color: var(--red); }

.callout.tip {
  background: rgba(16,185,129,0.07);
  border: 1px solid rgba(16,185,129,0.22);
  color: var(--text2);
}
.callout.tip strong { color: var(--green); }

.callout.info {
  background: rgba(0,212,255,0.06);
  border: 1px solid rgba(0,212,255,0.18);
  color: var(--text2);
}
.callout.info strong { color: var(--accent); }

/* ────────────────────────
   GUIDE PAGES — MISC COMPONENTS
──────────────────────── */
.step-divider {
  height: 1px;
  background: var(--border);
  margin: 52px 0;
}

.sub-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 16px 0;
}
.sub-steps li {
  display: flex;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--text2);
  line-height: 1.65;
}
.sub-steps li strong { color: var(--text); }
.sub-bullet {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent2);
  min-width: 20px;
  margin-top: 3px;
  flex-shrink: 0;
}

/* ────────────────────────
   GUIDE PAGES — DYNAMIC INPUTS
──────────────────────── */
.input-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.input-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text2);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.dynamic-input {
  font-family: var(--mono);
  font-size: 0.8rem;
  background: var(--bg4);
  border: 1px solid var(--border2);
  border-radius: 5px;
  color: var(--text);
  padding: 7px 14px;
  outline: none;
  transition: border-color 0.2s;
  flex: 1;
  min-width: 200px;
  max-width: 360px;
}
.dynamic-input:focus { border-color: var(--accent); }
.dynamic-input::placeholder { color: var(--text3); }
.input-hint {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--text3);
  letter-spacing: 0.5px;
}

/* Highlighted placeholder in dynamic code blocks */
.dyn-val { color: var(--orange); font-style: italic; }

/* ────────────────────────
   FOOTER
──────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  /* Always span full viewport width, independent of page content width */
  width: 100%;
  box-sizing: border-box;
  /* Reset any margin-left set by page-specific layouts (e.g. sidebar pages) */
  /* Pages that need a sidebar offset should add: footer { margin-left: var(--sidebar-w); }
     in their own <style> block, not here */
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text3);
}
.footer-copy strong { color: var(--text2); }
.footer-links { display: flex; gap: 20px; }
.footer-links a {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text3);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }

/* ────────────────────────
   ANIMATIONS
──────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in  { opacity: 0; animation: fadeUp 0.55s ease forwards; }
.delay-1  { animation-delay: 0.10s; }
.delay-2  { animation-delay: 0.22s; }
.delay-3  { animation-delay: 0.34s; }
.delay-4  { animation-delay: 0.46s; }
.delay-5  { animation-delay: 0.58s; }
.delay-6  { animation-delay: 0.70s; }
.delay-7  { animation-delay: 0.82s; }

/* ────────────────────────
   RESPONSIVE
──────────────────────── */
@media (max-width: 600px) {
  .nav-links             { display: none; }
  .hero                  { padding: 56px 0 40px; }
  .hero--home            { padding: 64px 0 48px; }
  .hero-meta             { gap: 18px; }
  .step-title            { font-size: 1.2rem; }
  code.block             { font-size: 0.75rem; }
  .features              { padding: 40px 0; }
}
