/* DDCostControl.com — landing site, shared styles */
/* House style per ddcostcontrol-design skill: petrol/steel-blue, low-poly industrial, sharp corners */

:root {
  /* dark theme = primary, values straight from the design system */
  --bg: #10262b;          /* petrol-900 */
  --bg-alt: #163740;      /* petrol-800 */
  --card: #163740;        /* petrol-800 */
  --border: #1b4650;      /* petrol-700 */
  --text: #eef4f5;        /* mist-100 */
  --text-dim: #a7c6cb;    /* steel-300 */
  --accent: #4fc3d6;
  --accent-dim: #2e97aa;  /* accent-dark, hover */
  --danger: #ff3b3b;
  --ok: #34d399;
  --on-accent: #10262b;   /* petrol-900 text on accent bg */
  --facet-1: #245660;     /* petrol-600, decorative low-poly slivers */
  --facet-2: #3c7b86;     /* teal-500, decorative low-poly slivers */
  --shadow-tint: rgba(79,195,214,0.08);
  --nav-bg: rgba(16,38,43,0.92);
  --radius: 4px;
  --max-width: 1140px;
  --sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --body-font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #eef4f5;         /* mist-100 */
    --bg-alt: #dce8ea;     /* mist-200 */
    --card: #ffffff;
    --border: #a7c6cb;     /* steel-300 */
    --text: #10262b;       /* petrol-900 */
    --text-dim: #1b4650;   /* petrol-700 */
    --accent: #1f6e7d;     /* darkened for AA contrast on light bg */
    --accent-dim: #164f59;
    --danger: #c92a2a;
    --ok: #157a4d;
    --on-accent: #eef4f5;
    --facet-1: #a7c6cb;
    --facet-2: #6e9aa0;
    --shadow-tint: rgba(31,110,125,0.08);
    --nav-bg: rgba(238,244,245,0.92);
  }
}
:root[data-theme="light"] {
  --bg: #eef4f5;
  --bg-alt: #dce8ea;
  --card: #ffffff;
  --border: #a7c6cb;
  --text: #10262b;
  --text-dim: #1b4650;
  --accent: #1f6e7d;
  --accent-dim: #164f59;
  --danger: #c92a2a;
  --ok: #157a4d;
  --on-accent: #eef4f5;
  --facet-1: #a7c6cb;
  --facet-2: #6e9aa0;
  --shadow-tint: rgba(31,110,125,0.08);
  --nav-bg: rgba(238,244,245,0.92);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--body-font);
  background-color: var(--bg);
  background-image:
    repeating-linear-gradient(115deg, var(--facet-1) 0px, var(--facet-1) 1px, transparent 1px, transparent 140px),
    repeating-linear-gradient(25deg, var(--facet-2) 0px, var(--facet-2) 1px, transparent 1px, transparent 180px);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.6;
  counter-reset: sec;
  position: relative;
}

h1, h2, h3, h4, h5, h6 { font-family: var(--sans); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
nav.site-nav {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--nav-bg);
  backdrop-filter: blur(6px);
  z-index: 10;
}
nav.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.logo { display: flex; align-items: center; }
.nav-logo-img { display: block; height: 96px; width: auto; }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a {
  color: var(--text-dim);
  font-weight: 500;
  font-size: 0.8rem;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a.cta {
  color: var(--on-accent);
  background: var(--accent);
  padding: 9px 16px;
  border-radius: var(--radius);
  font-weight: 700;
  font-family: var(--sans);
}
.nav-links a.cta:hover { background: var(--accent-dim); text-decoration: none; }

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }
.theme-toggle svg { display: block; }
.theme-toggle .icon-moon { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: block; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .theme-toggle .icon-sun { display: none; }
  :root:not([data-theme="dark"]) .theme-toggle .icon-moon { display: block; }
}

/* Hero */
.hero { padding: 80px 0 72px; position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero .eyebrow {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.82rem;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}
.hero .eyebrow::before { content: "$ "; color: var(--text-dim); }
.hero h1 {
  font-family: var(--sans);
  font-size: clamp(2.1rem, 5.4vw, 3.6rem);
  line-height: 1.05;
  margin: 0 0 22px;
  letter-spacing: -0.02em;
  font-weight: 700;
}
.hero p.lead {
  font-size: 1.12rem;
  color: var(--text-dim);
  margin: 0 0 32px;
}
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 13px 24px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.92rem;
  font-family: var(--sans);
  letter-spacing: -0.01em;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}
.btn-primary:hover { background: var(--accent-dim); text-decoration: none; }
.btn-secondary { border-color: var(--border); color: var(--text); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* terminal mockup */
.term-window {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.term-window .term-bar {
  display: flex;
  gap: 7px;
  padding: 10px 14px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}
.term-window .term-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.term-window pre {
  margin: 0;
  padding: 20px 22px;
  font-family: var(--mono);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-dim);
  overflow-x: auto;
}
.term-window .t-ok { color: var(--ok); }
.term-window .t-warn { color: var(--danger); }
.term-window .t-accent { color: var(--accent); }
.term-window .t-bright { color: var(--text); }

/* Sections */
section { padding: 60px 0; border-top: 1px solid var(--border); }
section.no-border { border-top: none; }
h2.section-title {
  font-family: var(--sans);
  font-size: 1.7rem;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
  font-weight: 700;
  position: relative;
  padding-left: 52px;
  counter-increment: sec;
}
h2.section-title::before {
  content: counter(sec, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: -0.1em;
  font-family: var(--sans);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.65;
}
p.section-sub {
  color: var(--text-dim);
  max-width: 680px;
  margin: 0 0 36px;
}

/* Stats — bento rail style, not uniform boxes */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.stat-card {
  background: var(--card);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 26px 22px;
  position: relative;
}
.stat-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 3px; height: 28px;
  background: var(--accent);
}
.stat-card .num {
  font-family: var(--sans);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: 8px;
}
.stat-card .label { color: var(--text-dim); font-size: 0.9rem; }
.stat-card .src { color: var(--text-dim); font-size: 0.78rem; margin-top: 8px; display: block; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 0; border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.step {
  background: var(--card);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 26px 24px;
  position: relative;
}
.step .step-num {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
  display: block;
}
.step h3 { margin: 0 0 8px; font-size: 1.05rem; font-weight: 700; }
.step p { margin: 0; color: var(--text-dim); font-size: 0.92rem; }

/* Checklist table */
table.checklist {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
table.checklist th, table.checklist td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
table.checklist th { color: var(--text-dim); font-weight: 600; font-size: 0.8rem; font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.04em; }
table.checklist td.example { color: var(--text-dim); }
.table-scroll { overflow-x: auto; }

/* Principle box */
.principle-box {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 30px 30px;
}
.principle-box h3 { margin-top: 0; font-weight: 700; }
.principle-box ul { margin: 0; padding-left: 20px; color: var(--text-dim); }
.principle-box li { margin-bottom: 8px; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0; border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.price-card { background: var(--card); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 30px 26px; }
.price-card.highlight { box-shadow: inset 0 3px 0 0 var(--accent); }
.price-card .tier { color: var(--text-dim); font-size: 0.82rem; font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 10px; }
.price-card .amount { font-family: var(--sans); font-size: 1.9rem; font-weight: 700; margin-bottom: 4px; }
.price-card .amount small { font-size: 0.95rem; color: var(--text-dim); font-weight: 500; font-family: var(--body-font); }
.price-card ul { padding-left: 18px; color: var(--text-dim); font-size: 0.92rem; }
.price-note { color: var(--text-dim); font-size: 0.85rem; margin-top: 20px; }

/* Blog cards */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 0; border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.blog-card {
  background: var(--card);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
}
.blog-card .tag {
  color: var(--accent);
  font-size: 0.72rem;
  font-family: var(--mono);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.blog-card h3 { margin: 0 0 10px; font-size: 1.08rem; line-height: 1.35; font-weight: 700; font-family: var(--sans); }
.blog-card h3 a { color: var(--text); }
.blog-card h3 a:hover { color: var(--accent); text-decoration: none; }
.blog-card p { color: var(--text-dim); font-size: 0.9rem; margin: 0 0 14px; flex-grow: 1; }
.blog-card .meta { color: var(--text-dim); font-size: 0.76rem; font-family: var(--mono); }

/* Article */
article.post { padding: 52px 0 68px; }
article.post .post-meta { color: var(--text-dim); font-size: 0.82rem; margin-bottom: 10px; font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.04em; }
article.post h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); line-height: 1.18; margin: 0 0 24px; font-weight: 700; letter-spacing: -0.01em; }
article.post h2 { font-size: 1.35rem; margin: 42px 0 14px; font-weight: 700; }
article.post h3 { font-size: 1.1rem; margin: 30px 0 10px; font-weight: 700; }
article.post p { color: var(--text-dim); margin: 0 0 18px; font-size: 1.02rem; }
article.post strong { color: var(--text); }
article.post code {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2px 6px;
  font-size: 0.86em;
  font-family: var(--mono);
  color: var(--accent);
}
article.post pre {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
  font-size: 0.85rem;
}
article.post pre code { background: none; border: none; padding: 0; color: var(--text); }
article.post ul, article.post ol { color: var(--text-dim); padding-left: 22px; }
article.post li { margin-bottom: 8px; }
article.post blockquote {
  border-left: 3px solid var(--accent);
  margin: 26px 0;
  padding: 6px 22px;
  color: var(--text);
  font-style: italic;
  font-size: 1.05rem;
}
.post-cta {
  margin-top: 50px;
  padding: 26px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}
.post-cta p { color: var(--text-dim); margin-bottom: 14px; }
.back-link {
  display: inline-block;
  margin-bottom: 26px;
  color: var(--text-dim);
  font-size: 0.82rem;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.back-link:hover { color: var(--accent); text-decoration: none; }

/* Screenshots */
.screenshot {
  display: block;
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 30px 0 8px;
}
.screenshot-placeholder {
  margin: 30px 0 8px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  background: var(--bg-alt);
}
.screenshot-placeholder .ph-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
}
.screenshot-placeholder .ph-desc { color: var(--text-dim); font-size: 0.92rem; margin: 0; }
.screenshot-placeholder .ph-file { color: var(--text-dim); font-size: 0.78rem; margin: 10px 0 0; font-family: var(--mono); }
figcaption.shot-caption { color: var(--text-dim); font-size: 0.8rem; margin: 0 0 8px; font-family: var(--mono); }

/* Manual-vs-automated / mode split */
.mode-split { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 0; border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.mode-card { background: var(--card); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 28px 26px; }
.mode-card .mode-tag { font-family: var(--mono); font-size: 0.74rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-dim); margin-bottom: 12px; }
.mode-card.automate { box-shadow: inset 0 3px 0 0 var(--accent); }
.mode-card.automate .mode-tag { color: var(--accent); }
.mode-card h3 { margin: 0 0 10px; font-weight: 700; font-family: var(--sans); }
.mode-card p { color: var(--text-dim); font-size: 0.92rem; }

/* Downloads */
.download-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0; border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.download-card {
  background: var(--card);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
}
.os-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 0.02em;
  color: var(--accent);
  background: var(--bg-alt);
}
.download-card h3 { margin: 0 0 6px; font-size: 1rem; font-weight: 700; font-family: var(--sans); }
.download-card p.status { color: var(--text-dim); font-size: 0.8rem; margin: 0 0 18px; font-family: var(--mono); }
.download-card a.btn { width: 100%; }

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 44px 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}
footer .foot-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
footer a { color: var(--text-dim); }
footer a:hover { color: var(--accent); }
footer .brand { color: var(--text); font-weight: 700; font-family: var(--sans); margin-bottom: 6px; }
.wagoe-mark { height: 18px; width: auto; vertical-align: middle; margin-right: 5px; }

.nav-burger {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0;
}
.nav-burger:hover { color: var(--accent); border-color: var(--accent); }
.nav-burger svg { display: block; }

@media (max-width: 640px) {
  nav.site-nav .wrap { position: relative; }
  .nav-logo-img { height: 40px; }
  .nav-burger { display: flex; flex-shrink: 0; margin-left: 12px; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 10px 24px 20px;
  }
  .nav-links.open { display: flex; }
  .nav-links a:not(.cta) { padding: 10px 0; }
  .nav-links a.cta { text-align: center; margin-top: 6px; }
  .nav-links .theme-toggle { align-self: flex-start; margin-top: 4px; }
  section { padding: 44px 0; }
  h2.section-title { padding-left: 44px; }
}