/* =========================================================
   POSMASTER — design system
   Dark tech minimalism. Signature motif: search ranking position.
   ========================================================= */

:root {
  /* Color */
  --bg: #0a0c0f;
  --bg-elevated: #101318;
  --surface: #151920;
  --surface-hover: #1b202a;
  --border: #232933;
  --border-soft: #1a1f27;
  --text: #edf0f4;
  --text-soft: #9aa3b2;
  --text-faint: #5c6472;
  --accent: #35ffb0;       /* signal mint — rank climbing */
  --accent-dim: #1f8a63;
  --accent-2: #4d8aff;     /* electric blue — links, secondary */
  --accent-2-dim: #2b4f91;
  --danger: #ff6b6b;

  /* Type */
  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Layout */
  --container: 1200px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --gap: clamp(1.5rem, 4vw, 3rem);
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.1;
  margin: 0 0 0.6em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 5vw + 1rem, 4.2rem); font-weight: 600; }
h2 { font-size: clamp(1.6rem, 2.5vw + 1rem, 2.6rem); font-weight: 600; }
h3 { font-size: clamp(1.15rem, 1vw + 1rem, 1.5rem); font-weight: 600; }

p { margin: 0 0 1em; color: var(--text-soft); }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 576px) { .container { padding-left: 2rem; padding-right: 2rem; } }
@media (min-width: 992px) { .container { padding-left: 2.5rem; padding-right: 2.5rem; } }

section { padding-top: clamp(1.1rem, 2.5vw, 2rem); padding-bottom: 0; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  margin-bottom: 1em;
}
.eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px 1px var(--accent);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  min-height: 44px;
  transition: transform 150ms ease, background 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
  touch-action: manipulation;
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary { background: var(--accent); color: #06110c; }
.btn-primary:hover { background: #52ffc0; box-shadow: 0 0 24px -6px var(--accent); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent-2); color: var(--accent-2); }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 12, 15, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  gap: 0.35em;
  letter-spacing: -0.02em;
}
.logo .pos { color: var(--accent); }
.logo .tick { font-family: var(--font-mono); font-size: 0.65em; color: var(--text-faint); }

.main-nav { display: none; }
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 1.9rem;
  margin: 0; padding: 0;
}
.main-nav a {
  font-size: 0.92rem;
  color: var(--text-soft);
  position: relative;
  padding: 0.3em 0;
  transition: color 150ms ease;
}
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--text); }
.main-nav a[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.header-actions { display: flex; align-items: center; gap: 0.75rem; }

.icon-btn {
  width: 44px; height: 44px;
  display: inline-flex;
  align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
}
.icon-btn:hover { color: var(--accent); border-color: var(--accent-2); }
.icon-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.nav-toggle { display: inline-flex; }
[data-desktop-phone] { display: none; }
@media (min-width: 992px) {
  .main-nav { display: block; }
  .nav-toggle { display: none; }
  [data-desktop-phone] { display: inline-flex; }
}

/* Mobile nav drawer */
.mobile-nav {
  position: fixed;
  inset: 72px 0 0 0;
  background: var(--bg);
  z-index: 99;
  padding: 2rem 1.25rem;
  transform: translateX(100%);
  transition: transform 220ms ease;
  overflow-y: auto;
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.25rem; }
.mobile-nav a {
  display: block;
  padding: 1rem 0.25rem;
  font-size: 1.15rem;
  font-family: var(--font-display);
  border-bottom: 1px solid var(--border-soft);
  color: var(--text);
}
.mobile-nav .btn { margin-top: 1.5rem; }
@media (min-width: 992px) { .mobile-nav { display: none; } }

/* ---------- Search overlay ---------- */
.search-overlay {
  position: fixed; inset: 0;
  background: rgba(6, 7, 9, 0.92);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: none;
  padding: 8vh 1.25rem;
}
.search-overlay.is-open { display: block; }
.search-panel { max-width: 640px; margin: 0 auto; }
.search-input-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.5rem 0.5rem 1.1rem;
}
#search-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 1.1rem;
  font-family: var(--font-body);
  padding: 0.7rem 0;
}
#search-input:focus { outline: none; }
#search-close {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
}
#search-results { margin-top: 1.5rem; }
#search-results ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.5rem; }
#search-results a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  color: var(--text);
}
#search-results a:hover { border-color: var(--accent-2); }
#search-results .hint { color: var(--text-faint); font-size: 0.85rem; margin-top: 1rem; }

/* ---------- Hero ---------- */
.hero {
  padding-top: clamp(1.1rem, 2.5vw, 2rem);
  display: grid;
  gap: 2.5rem;
}
.hero-copy p.lead {
  font-size: clamp(1rem, 0.5vw + 1rem, 1.2rem);
  max-width: 46ch;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 1.6rem; }

/* Signature element: position ticker */
.rank-ticker {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  font-family: var(--font-mono);
}
.rank-ticker-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}
.rank-ticker-row .label { color: var(--text-faint); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; }
.rank-ticker-digits { display: flex; align-items: baseline; gap: 0.75rem; }
.rank-ticker-digits .num {
  font-size: clamp(3rem, 8vw, 4.5rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.rank-ticker-digits .of { color: var(--text-faint); font-size: 1rem; }
.rank-ticker-bar {
  height: 6px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 1.25rem;
}
.rank-ticker-bar-fill {
  height: 100%;
  width: 6%;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  border-radius: 4px;
  transition: width 1.4s cubic-bezier(.2,.8,.2,1);
}
.rank-ticker-foot { display: flex; justify-content: space-between; margin-top: 0.9rem; font-size: 0.78rem; color: var(--text-faint); }

@media (min-width: 992px) {
  .hero { grid-template-columns: 1.15fr 0.85fr; align-items: center; }
}

/* ---------- Stats ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.stat-item {
  background: var(--bg-elevated);
  padding: 1.75rem 1.25rem;
  text-align: center;
}
.stat-item .num {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--accent);
  font-weight: 700;
}
.stat-item p { margin: 0.4em 0 0; font-size: 0.85rem; }
@media (min-width: 768px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }

/* ---------- Cards / grid ---------- */
.grid { display: grid; gap: 1.25rem; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 576px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1200px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: border-color 200ms ease, transform 200ms ease;
}
.card:hover { border-color: var(--accent-2-dim); transform: translateY(-2px); }
.card .icon { width: 40px; height: 40px; color: var(--accent); margin-bottom: 1rem; }
.card h3 { margin-bottom: 0.5em; }
.card p:last-child { margin-bottom: 0; }

.card-link { display: inline-flex; align-items: center; gap: 0.4em; color: var(--accent-2); font-size: 0.9rem; font-weight: 600; margin-top: 0.75rem; }
.card-link svg { width: 16px; height: 16px; transition: transform 150ms ease; }
.card:hover .card-link svg { transform: translateX(3px); }

/* ---------- Pricing ---------- */
.price-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.price-card.is-featured { border-color: var(--accent-dim); box-shadow: 0 0 0 1px var(--accent-dim); }
.price-card .price {
  font-family: var(--font-mono);
  font-size: 2rem;
  color: var(--accent);
  font-weight: 700;
}
.price-card .price small { font-family: var(--font-body); font-size: 0.9rem; color: var(--text-faint); font-weight: 400; }
.price-card ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.price-card li { display: flex; gap: 0.6em; font-size: 0.92rem; color: var(--text-soft); }
.price-card li svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--accent); margin-top: 0.15em; }

/* ---------- Process / steps (real sequence -> numbered) ---------- */
.steps { display: grid; gap: 1.25rem; }
.step { display: grid; grid-template-columns: auto 1fr; gap: 1.1rem; }
.step .n {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
@media (min-width: 768px) { .steps { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.1rem; }
.field label { font-size: 0.85rem; color: var(--text-soft); }
.field input, .field textarea, .field select {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  min-height: 44px;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
.field-error { color: var(--danger); font-size: 0.82rem; display: none; }
.field.has-error input, .field.has-error textarea { border-color: var(--danger); }
.field.has-error .field-error { display: block; }
.field-checkbox { margin-bottom: 1.3rem; }
.checkbox-label { display: flex; align-items: center; gap: 0.7rem; cursor: pointer; font-size: 0.88rem; color: var(--text-soft); line-height: 1.4; }
.checkbox-label input[type="checkbox"] {
  appearance: none; -webkit-appearance: none;
  width: 20px; height: 20px; flex-shrink: 0;
  border: 1px solid var(--border); border-radius: 4px;
  background: var(--bg-elevated);
  cursor: pointer; position: relative;
}
.checkbox-label input[type="checkbox"]:checked { background: var(--accent); border-color: var(--accent); }
.checkbox-label input[type="checkbox"]:checked::after {
  content: ''; position: absolute; left: 6px; top: 2px;
  width: 5px; height: 10px; border: solid #06110c; border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.checkbox-label input[type="checkbox"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.field-checkbox.has-error .checkbox-label input[type="checkbox"] { border-color: var(--danger); }
.field-checkbox.has-error .field-error { display: block; }
.checkbox-label a { color: var(--accent-2); }
.checkbox-label a:hover { color: var(--accent); }
.form-note { font-size: 0.82rem; color: var(--text-faint); }
.hp-field { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; opacity: 0; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border-soft);
  background: var(--bg-elevated);
  padding: 3rem 0 2rem;
  margin-top: clamp(1.1rem, 2.5vw, 2rem);
}
.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.3fr 1fr 1fr 1fr; } }
.footer-grid h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); margin-bottom: 1rem; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-grid a { color: var(--text-soft); font-size: 0.92rem; }
.footer-grid a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border-soft);
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  color: var(--text-faint);
  font-size: 0.82rem;
}

/* ---------- Breadcrumb / page header ---------- */
.page-head { padding-top: clamp(1.1rem, 2.5vw, 2rem); }
.page-head .eyebrow { margin-bottom: 0.8em; }
.page-head p.lead { max-width: 60ch; font-size: 1.05rem; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 500ms ease, transform 500ms ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Blog / portfolio ---------- */
.post-card img, .work-card img { border-radius: var(--radius-md); margin-bottom: 1.1rem; aspect-ratio: 16/10; object-fit: cover; background: var(--bg-elevated); }
.post-meta { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-faint); margin-bottom: 0.5em; }
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-2);
  border: 1px solid var(--accent-2-dim);
  border-radius: 100px;
  padding: 0.2em 0.7em;
  margin: 0 0.4em 0.4em 0;
}

/* ---------- Contacts ---------- */
.contact-grid { display: grid; gap: 2rem; }
@media (min-width: 992px) { .contact-grid { grid-template-columns: 1fr 1fr; align-items: start; } }
.contact-detail { display: flex; gap: 1rem; margin-bottom: 1.4rem; }
.contact-detail svg { width: 22px; height: 22px; color: var(--accent); flex-shrink: 0; margin-top: 0.2em; }
.contact-detail h4 { margin: 0 0 0.2em; font-size: 0.95rem; }
.contact-detail p { margin: 0; }
/* ---------- Breadcrumbs ---------- */
.breadcrumbs { margin: 1.1rem auto; }
.breadcrumbs + section { padding-top: 0; }
.breadcrumbs ol {
  list-style: none; display: flex; flex-wrap: wrap; align-items: center;
  gap: 0.45rem; margin: 0; padding: 0;
  font-size: 0.82rem; color: var(--text-faint);
}
.breadcrumbs a { color: var(--text-soft); }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs li { display: flex; align-items: center; gap: 0.45rem; }
.breadcrumbs li[aria-current="page"] { color: var(--text-faint); }
.breadcrumbs li:not(:last-child)::after { content: '/'; color: var(--text-faint); opacity: 0.6; }

/* ---------- Article ---------- */
.article-head { max-width: 72ch; }
.article-body { max-width: 72ch; margin: 0 auto; }
.article-body h2 { margin-top: clamp(1.1rem, 2.5vw, 2rem); }
.article-body h3 { margin-top: clamp(0.9rem, 2vw, 1.5rem); }
.article-body p, .article-body li { color: var(--text-soft); }
.article-body ul, .article-body ol { padding-left: 1.3rem; margin-bottom: 1.2em; }
.article-body li { margin-bottom: 0.5rem; }
.article-body table { width: 100%; border-collapse: collapse; margin: 1.6rem 0; font-size: 0.92rem; }
.article-body th, .article-body td { border: 1px solid var(--border); padding: 0.75rem 1rem; text-align: left; vertical-align: top; }
.article-body th { color: var(--text); font-family: var(--font-mono); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.05em; background: var(--surface); }
.article-body td { color: var(--text-soft); }
.article-body blockquote { border-left: 3px solid var(--accent); padding: 0.3rem 0 0.3rem 1.2rem; color: var(--text); margin: 1.6rem 0; }
.article-cta { max-width: 72ch; margin: 3rem auto 0; }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.section-head { max-width: 62ch; margin-bottom: 2.5rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: #06110c;
  padding: 0.8em 1.2em; z-index: 999; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }