/* =============================================
   INNERVIEW BLOG — Global Stylesheet
   Aesthetic: Editorial dark, refined serif/mono
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400;1,700&family=Lora:ital,wght@0,400;0,500;1,400&family=JetBrains+Mono:wght@300;400;500&display=swap');

:root {
  --bg:        #0d0d0d;
  --surface:   #141414;
  --surface2:  #1a1a1a;
  --border:    #2a2a2a;
  --border2:   #333;
  --text:      #e8e4dc;
  --muted:     #888;
  --accent:    #c9a96e;   /* warm gold */
  --accent2:   #7eb8a4;   /* sage green */
  --accent3:   #d97b6c;   /* terracotta */
  --heading:   #f0ece4;
  --tag-bg:    #1e1e1e;
  --radius:    4px;
  --radius2:   8px;
  --max:       1180px;
  --nav-h:     64px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Lora', Georgia, serif;
  font-size: 17px;
  line-height: 1.75;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ─── NOISE OVERLAY ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: .45;
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

/* ─── NAVIGATION ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(13,13,13,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 2rem;
}

.nav-inner {
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--heading);
  text-decoration: none;
  letter-spacing: .01em;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .4rem .75rem;
  border-radius: var(--radius);
  transition: color .2s, background .2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  background: rgba(201,169,110,.08);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: .4rem;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--muted);
  transition: all .25s;
}

/* ─── MAIN WRAPPER ─── */
.main {
  padding-top: var(--nav-h);
  min-height: 100vh;
}

/* ─── PAGE HERO ─── */
.hero {
  position: relative;
  padding: 7rem 2rem 5rem;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(201,169,110,.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
  opacity: 0;
  animation: fadeUp .6s .1s ease forwards;
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--heading);
  margin-bottom: 1.25rem;
  opacity: 0;
  animation: fadeUp .6s .2s ease forwards;
}

.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  opacity: 0;
  animation: fadeUp .6s .3s ease forwards;
}

.hero-line {
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin: 0 auto;
  opacity: 0;
  animation: fadeUp .6s .4s ease forwards;
}

/* ─── CONTAINER ─── */
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ─── SECTION ─── */
.section {
  padding: 5rem 0;
}

.section + .section {
  border-top: 1px solid var(--border);
}

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .75rem;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
  max-width: 80px;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--heading);
  line-height: 1.2;
  margin-bottom: 1rem;
}

/* ─── CARDS GRID ─── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 2rem;
  text-decoration: none;
  display: block;
  transition: border-color .25s, transform .25s, box-shadow .25s;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity .25s;
}

.card:hover {
  border-color: var(--border2);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,.4);
}

.card:hover::before { opacity: 1; }

.card-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: .65rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: .75rem;
  display: inline-block;
}

.card-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--heading);
  line-height: 1.3;
  margin-bottom: .75rem;
}

.card-body {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.65;
}

.card-arrow {
  display: inline-block;
  margin-top: 1.2rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--accent);
  text-transform: uppercase;
}

/* ─── ARTICLE CONTENT ─── */
.article {
  max-width: 720px;
  margin: 0 auto;
}

.article h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--heading);
  margin: 3rem 0 1rem;
  line-height: 1.25;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.article h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }

.article h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
  margin: 2rem 0 .6rem;
}

.article p {
  margin-bottom: 1.25rem;
  color: var(--text);
}

.article ul, .article ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.article li {
  margin-bottom: .4rem;
  color: var(--text);
}

.article strong { color: var(--heading); font-weight: 600; }
.article em { color: var(--accent); font-style: italic; }

.article blockquote {
  border-left: 3px solid var(--accent);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  background: var(--surface);
  border-radius: 0 var(--radius2) var(--radius2) 0;
  font-style: italic;
  color: var(--muted);
}

.article blockquote cite {
  display: block;
  margin-top: .5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--accent);
  font-style: normal;
}

/* ─── CALLOUT BOX ─── */
.callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius2) var(--radius2) 0;
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
}

.callout-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .6rem;
}

.callout p { margin: 0; font-size: .93rem; color: var(--muted); }

/* ─── BRAIN DIAGRAM / STEPS ─── */
.steps {
  display: grid;
  gap: 1rem;
  margin: 2rem 0;
}

.step {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 1.25rem 1.5rem;
  transition: border-color .2s;
}

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

.step-num {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  flex-shrink: 0;
  width: 2rem;
  opacity: .5;
}

.step-content h4 {
  font-family: 'Playfair Display', serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: .3rem;
}

.step-content p { font-size: .88rem; color: var(--muted); margin: 0; }

/* ─── PILL TAGS ─── */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.5rem;
}

.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: .65rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .25rem .65rem;
  border-radius: 100px;
  background: var(--tag-bg);
  border: 1px solid var(--border);
  color: var(--muted);
}

/* ─── DIVIDER ─── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 4rem 0;
}

/* ─── FOOTER ─── */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
  margin-top: 4rem;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.footer-brand {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: .5rem;
}

.footer-tagline {
  font-size: .85rem;
  color: var(--muted);
  line-height: 1.6;
}

.footer-heading {
  font-family: 'JetBrains Mono', monospace;
  font-size: .65rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: .88rem;
  transition: color .2s;
}

.footer-links a:hover { color: var(--accent); }

.footer-copy {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: .65rem;
  letter-spacing: .1em;
  color: var(--border2);
  text-transform: uppercase;
}

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .55s ease, transform .55s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── TOPIC HEADER COLORS ─── */
.accent-green  { --accent: #7eb8a4; }
.accent-terra  { --accent: #d97b6c; }
.accent-blue   { --accent: #7a9fc4; }
.accent-purple { --accent: #a87ec4; }

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: var(--nav-h); left: 0; right: 0; background: var(--surface); border-bottom: 1px solid var(--border); padding: 1rem; }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: flex; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero { padding: 5rem 1.5rem 3.5rem; }
  .cards { grid-template-columns: 1fr; }
}