/* ============================================================
   improvecode.ai — screen.css
   Ghost theme styles
   ============================================================ */

/* VARIABLES */
:root {
  --bg: #0d0f0e;
  --surface: #141716;
  --surface2: #1a1d1b;
  --border: #2a2e2b;
  --accent: #4ade80;
  --accent2: #86efac;
  --accent-dim: rgba(74,222,128,0.1);
  --muted: #6b7a6e;
  --text: #e8ede9;
  --text2: #b0bab2;
}

/* RESET & BASE */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.75;
  font-size: 17px;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(74,222,128,0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: rgba(13,15,14,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(42,46,43,0.5);
}

.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 20px;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-logo span { color: var(--muted); font-weight: 400; }

.nav-cta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--accent);
  padding: 10px 26px;
  border-radius: 4px;
  text-decoration: none;
  transition: opacity 0.18s;
}

.nav-cta:hover { opacity: 0.84; }

/* SHARED LAYOUT */
section { position: relative; z-index: 1; }

.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 48px;
}

.container-wide {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 48px;
}

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 52px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* FOOTER */
footer {
  position: relative;
  z-index: 1;
  padding: 28px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
}

.footer-copy {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* ============================================================
   HOMEPAGE — HERO
   ============================================================ */

.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 130px 48px 100px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -80px; right: -120px;
  width: 750px; height: 750px;
  background: radial-gradient(circle, rgba(74,222,128,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.hero-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 44px;
  display: flex;
  align-items: center;
  gap: 14px;
  opacity: 0;
  animation: fadeUp 0.55s ease forwards;
  animation-delay: 0.1s;
}

.hero-eyebrow::before {
  content: '';
  width: 36px; height: 1px;
  background: var(--accent);
  display: block;
  flex-shrink: 0;
}

.hero h1 {
  font-family: 'Bitter', serif;
  font-size: clamp(3.2rem, 7vw, 6rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 880px;
  margin-bottom: 36px;
}

.hero h1 .l1 {
  display: block;
  opacity: 0;
  animation: fadeUp 0.65s ease forwards;
  animation-delay: 0.22s;
}

.hero h1 .l2 {
  display: block;
  opacity: 0;
  animation: fadeUp 0.65s ease forwards;
  animation-delay: 0.38s;
}

.hero h1 .l3 {
  display: block;
  color: var(--accent2);
  font-style: italic;
  opacity: 0;
  animation: fadeUp 0.65s ease forwards;
  animation-delay: 0.54s;
}

.underline-accent {
  background-image: linear-gradient(var(--accent), var(--accent));
  background-position: 0 calc(100% - 1px);
  background-size: 100% 3px;
  background-repeat: no-repeat;
  padding-bottom: 3px;
  color: var(--text);
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--text2);
  max-width: 520px;
  line-height: 1.7;
  font-weight: 300;
  opacity: 0;
  animation: fadeUp 0.65s ease forwards;
  animation-delay: 0.7s;
}

.hero-scroll {
  position: absolute;
  bottom: 52px;
  left: 48px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0;
  animation: fadeUp 0.55s ease forwards;
  animation-delay: 1.0s;
}

.scroll-bar {
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

/* ============================================================
   HOMEPAGE — WHY
   ============================================================ */

.why-section {
  padding: 120px 0 100px;
  border-top: 1px solid var(--border);
}

.why-section h2 {
  font-family: 'Bitter', serif;
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin-bottom: 60px;
}

.why-section h2 em {
  font-style: italic;
  color: var(--accent2);
}

.why-paras { border-top: 1px solid var(--border); }

.why-para {
  color: var(--text2);
  font-size: 1.05rem;
  line-height: 1.82;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 0 28px;
  align-items: start;
}

.para-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  padding-top: 6px;
  opacity: 0.7;
}

.why-para strong { color: var(--text); font-weight: 500; }
.why-para .hl { color: var(--accent); font-weight: 400; }

/* ============================================================
   HOMEPAGE — LEVELS
   ============================================================ */

.levels-section {
  padding: 120px 0 100px;
  border-top: 1px solid var(--border);
}

.levels-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.level-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  text-decoration: none;
  display: block;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.22s;
}

.level-card.active {
  border-color: rgba(74,222,128,0.25);
}

.level-card.active::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent) 0%, transparent 100%);
}

.level-card.active:hover {
  border-color: rgba(74,222,128,0.55);
  transform: translateY(-4px);
}

.level-card.coming { opacity: 0.5; cursor: default; }

.level-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.level-card.coming .level-label { color: var(--muted); }

.badge {
  font-size: 10px;
  padding: 3px 9px;
  border-radius: 3px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(74,222,128,0.2);
  letter-spacing: 0.06em;
}

.badge.soon {
  background: rgba(107,122,110,0.1);
  color: var(--muted);
  border-color: var(--border);
}

.level-title {
  font-family: 'Bitter', serif;
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.28;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.level-desc {
  color: var(--text2);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 28px;
}

.level-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 32px;
}

.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  padding: 4px 10px;
  border-radius: 3px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--muted);
  letter-spacing: 0.04em;
}

.level-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.level-link .arrow { transition: transform 0.2s; }
.level-card.active:hover .arrow { transform: translateX(5px); }

/* ============================================================
   NEWSLETTER (shared — homepage + post footer)
   ============================================================ */

.newsletter-section {
  padding: 120px 0 140px;
  border-top: 1px solid var(--border);
  overflow: hidden;
}

.newsletter-glow {
  position: absolute;
  bottom: -200px; left: 50%;
  transform: translateX(-50%);
  width: 900px; height: 600px;
  background: radial-gradient(circle, rgba(74,222,128,0.05) 0%, transparent 65%);
  pointer-events: none;
}

.newsletter-section h2 {
  font-family: 'Bitter', serif;
  font-size: clamp(1.9rem, 3.5vw, 2.9rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin-bottom: 22px;
}

.newsletter-section h2 em,
.post-footer-heading em {
  font-style: italic;
  color: var(--accent2);
}

.newsletter-desc {
  color: var(--text2);
  font-size: 1.05rem;
  margin-bottom: 44px;
  max-width: 520px;
  line-height: 1.72;
}

.subscribe-form {
  display: flex;
  gap: 10px;
  max-width: 560px;
  margin-bottom: 18px;
}

.subscribe-input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 20px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
}

.subscribe-input::placeholder { color: var(--muted); }

.subscribe-input:focus {
  border-color: rgba(74,222,128,0.5);
  box-shadow: 0 0 0 3px rgba(74,222,128,0.08);
}

.subscribe-btn {
  background: var(--accent);
  color: #0d0f0e;
  border: none;
  border-radius: 6px;
  padding: 14px 28px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.18s, transform 0.18s;
}

.subscribe-btn:hover { opacity: 0.86; transform: translateY(-1px); }

.subscribe-note {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ============================================================
   POSTS LIST — index.hbs
   ============================================================ */

.posts-section {
  padding: 130px 0 100px;
  min-height: 100vh;
}

.posts-grid {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.post-card {
  display: block;
  text-decoration: none;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left 0.2s;
}

.post-card:first-child { border-top: 1px solid var(--border); }
.post-card:hover { padding-left: 8px; }

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.post-card-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
}

.post-card-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  padding: 3px 9px;
  border-radius: 3px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(74,222,128,0.2);
  letter-spacing: 0.06em;
}

.post-card-title {
  font-family: 'Bitter', serif;
  font-size: clamp(1.2rem, 2.5vw, 1.55rem);
  font-weight: 700;
  line-height: 1.28;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.post-card-excerpt {
  color: var(--text2);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 16px;
  max-width: 640px;
}

.post-card-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.post-card-link .arrow { transition: transform 0.2s; }
.post-card:hover .arrow { transform: translateX(5px); }

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 48px 0 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--muted);
}

.pagination a {
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ============================================================
   SINGLE POST — post.hbs
   ============================================================ */

.post-article {
  padding: 130px 0 80px;
  min-height: 100vh;
}

.post-header {
  margin-bottom: 64px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.post-header-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.post-title {
  font-family: 'Bitter', serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.post-excerpt {
  font-size: 1.2rem;
  color: var(--text2);
  line-height: 1.65;
  font-weight: 300;
  max-width: 680px;
}

/* Post content — Ghost gh-content styles */
.gh-content {
  color: var(--text2);
  font-size: 1.05rem;
  line-height: 1.82;
}

.gh-content h2 {
  font-family: 'Bitter', serif;
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 700;
  color: var(--text);
  margin: 56px 0 20px;
  letter-spacing: -0.015em;
  line-height: 1.22;
}

.gh-content h3 {
  font-family: 'Bitter', serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  margin: 40px 0 16px;
  line-height: 1.3;
}

.gh-content p { margin-bottom: 24px; }

.gh-content strong { color: var(--text); font-weight: 500; }

.gh-content a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(74,222,128,0.3);
  transition: border-color 0.2s;
}

.gh-content a:hover { border-color: var(--accent); }

.gh-content pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px 28px;
  overflow-x: auto;
  margin: 32px 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  line-height: 1.65;
  color: var(--accent2);
}

.gh-content code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9em;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2px 6px;
  color: var(--accent2);
}

.gh-content pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 14px;
}

.gh-content ul, .gh-content ol {
  margin: 0 0 24px 24px;
  color: var(--text2);
}

.gh-content li { margin-bottom: 8px; }

.gh-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 24px;
  margin: 32px 0;
  font-style: italic;
  color: var(--text2);
}

.gh-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 48px 0;
}

/* Post footer newsletter */
.post-footer {
  margin-top: 80px;
  padding-top: 64px;
}

.post-footer-divider {
  height: 1px;
  background: var(--border);
  margin-bottom: 64px;
}

.post-footer-heading {
  font-family: 'Bitter', serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

/* ============================================================
   LEVEL-1 IN PROGRESS — page-level-1.hbs
   ============================================================ */

.inprogress-section {
  padding: 160px 0 120px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.inprogress-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.inprogress-label::before {
  content: '';
  width: 32px; height: 1px;
  background: var(--accent);
  display: block;
}

.inprogress-title {
  font-family: 'Bitter', serif;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 28px;
  max-width: 640px;
}

.inprogress-desc {
  color: var(--text2);
  font-size: 1.1rem;
  line-height: 1.75;
  max-width: 580px;
  margin-bottom: 36px;
}

.inprogress-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-bottom: 32px;
}

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.inprogress-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 48px;
}

.inprogress-divider {
  height: 1px;
  background: var(--border);
  margin-bottom: 40px;
  max-width: 580px;
}

.inprogress-notify {
  color: var(--text2);
  font-size: 1rem;
  margin-bottom: 28px;
}

.inprogress-back {
  display: inline-block;
  margin-top: 32px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.inprogress-back:hover { color: var(--accent); }

/* ============================================================
   GHOST KOENIG EDITOR — required classes
   ============================================================ */

.kg-width-wide {
  position: relative;
  width: 85vw;
  min-width: 100%;
  margin-left: calc(50% - 42.5vw);
  margin-right: calc(50% - 42.5vw);
}

.kg-width-full {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

.kg-image { max-width: 100%; }

/* ============================================================
   ANIMATIONS
   ============================================================ */

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

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 720px) {
  nav { padding: 16px 24px; }
  .nav-logo { font-size: 16px; }
  .nav-cta { font-size: 12px; padding: 8px 18px; }

  .hero { padding: 100px 24px 80px; }
  .hero-scroll { left: 24px; }

  .container,
  .container-wide { padding: 0 24px; }

  .levels-grid { grid-template-columns: 1fr; }

  .subscribe-form { flex-direction: column; }
  .subscribe-btn { width: 100%; }

  footer { padding: 24px; flex-direction: column; align-items: flex-start; }

  .why-section,
  .levels-section,
  .newsletter-section,
  .posts-section,
  .post-article,
  .inprogress-section { padding-left: 0; padding-right: 0; }

  .why-section,
  .levels-section,
  .newsletter-section { padding-top: 80px; padding-bottom: 80px; }
}