/* ============================================================
   Cedar Energy — design system
   Forest green / deep pine / slate / warm white / copper accent
   ============================================================ */
:root {
  --green: #1E4733;
  --pine: #17332A;
  --slate: #4A5568;
  --copper: #A86A2A;
  --warm-white: #F8F8F5;
  --bg: #F3F4F1;
  --surface: #FFFFFF;
  --ink: #1A202C;
  --ink-2: #3D4756;
  --muted: #6B7686;
  --border: #E4E7E2;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-md: 0 1px 3px rgba(16, 24, 40, 0.06), 0 8px 24px rgba(16, 24, 40, 0.06);
  --shadow-lg: 0 4px 8px rgba(16, 24, 40, 0.05), 0 16px 40px rgba(16, 24, 40, 0.10);
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--warm-white);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  color: var(--green);
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-weight: 700;
  letter-spacing: -0.015em;
}

p { margin: 0 0 1em; }

a { color: var(--green); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--copper); }

img, svg { max-width: 100%; }

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

.eyebrow {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 10px;
}

.section { padding: 72px 0 8px; }
.section-tight { padding: 40px 0 8px; }

.section-head { max-width: 720px; margin-bottom: 36px; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
.section-head p { color: var(--ink-2); font-size: 1.05rem; margin: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 248, 245, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 74px;
}

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }

.brand svg.mark { width: 44px; height: 44px; flex: none; }

.wordmark { line-height: 1.05; }

.wordmark .word-1 {
  display: block;
  font-weight: 700;
  font-size: 1.22rem;
  letter-spacing: 0.30em;
  color: var(--green);
}

.wordmark .word-2 {
  display: block;
  font-weight: 500;
  font-size: 0.86rem;
  letter-spacing: 0.46em;
  color: var(--slate);
}

.site-nav { display: flex; align-items: center; gap: 4px; }

.site-nav a {
  display: block;
  padding: 8px 13px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-2);
  text-decoration: none;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}

.site-nav a:hover { background: #E9EBE6; color: var(--green); }

.site-nav a.active { color: var(--green); font-weight: 600; box-shadow: inset 0 -2px 0 var(--copper); border-radius: 8px 8px 0 0; }

.site-nav a.nav-cta {
  background: var(--green);
  color: #FFFFFF;
  font-weight: 600;
  margin-left: 8px;
}

.site-nav a.nav-cta:hover { background: var(--pine); color: #FFFFFF; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  color: var(--green);
}

@media (max-width: 1080px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    padding: 10px 16px 16px;
  }
  .site-nav.open { display: flex; }
  .site-nav a.active { box-shadow: inset 3px 0 0 var(--copper); border-radius: 8px; }
  .site-nav a.nav-cta { margin-left: 0; margin-top: 6px; text-align: center; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 88px 0 72px;
  background:
    radial-gradient(1200px 500px at 85% -10%, #E7EDE4 0%, rgba(231, 237, 228, 0) 60%),
    var(--warm-white);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.3rem, 4.6vw, 3.5rem);
  letter-spacing: -0.025em;
  margin-bottom: 20px;
}

.hero .sub {
  font-size: 1.15rem;
  color: var(--ink-2);
  max-width: 560px;
  margin-bottom: 30px;
}

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn-primary { background: var(--green); color: #FFFFFF; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--pine); color: #FFFFFF; transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-secondary { background: var(--surface); color: var(--green); border: 1.5px solid var(--green); }
.btn-secondary:hover { border-color: var(--copper); color: var(--copper); transform: translateY(-1px); }

.hero-art svg { width: 100%; height: auto; }

@media (max-width: 900px) {
  .hero { padding: 56px 0 48px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-art { max-width: 420px; margin: 0 auto; }
}

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}

.card.lift:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.split-main { display: grid; grid-template-columns: 1.5fr 1fr; gap: 22px; align-items: start; }
@media (max-width: 900px) { .split-main { grid-template-columns: 1fr; } }

.card h3 { font-size: 1.08rem; margin-bottom: 8px; }
.card p { color: var(--ink-2); font-size: 0.95rem; margin: 0; }

.card .icon { width: 42px; height: 42px; margin-bottom: 14px; }

/* ---------- Market data components ---------- */
.tv-embed { height: 300px; }

.chart-card h3 { margin-bottom: 2px; }
.chart-card .chart-sub { font-size: 0.82rem; color: var(--muted); margin: 0 0 14px; }

.eia-chart-wrap { position: relative; height: 280px; }

.chart-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  padding: 0 24px;
}

.source-line { font-size: 0.76rem; color: var(--muted); margin: 12px 0 0; }

.stat-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 900px) { .stat-tiles { grid-template-columns: 1fr; } }

.stat-tile .label { font-size: 0.82rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.stat-tile .value { font-size: 2rem; font-weight: 700; color: var(--green); letter-spacing: -0.02em; line-height: 1.1; }
.stat-tile .delta { font-size: 0.9rem; font-weight: 600; margin-top: 4px; }
.stat-tile .delta.up { color: #9A3E1E; }
.stat-tile .delta.down { color: var(--green); }
.stat-tile .asof { font-size: 0.78rem; color: var(--muted); margin-top: 8px; }

/* Brief / report entries */
.brief-entry { border-left: 3px solid var(--copper); padding-left: 22px; margin-bottom: 30px; }
.brief-entry .date { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.brief-entry h3 { font-size: 1.15rem; margin-bottom: 8px; }
.brief-entry p { color: var(--ink-2); margin: 0; }

/* Buying calendar */
.calendar-wrap { overflow-x: auto; }
.calendar {
  display: grid;
  grid-template-columns: 110px repeat(12, minmax(52px, 1fr));
  gap: 4px;
  min-width: 780px;
  font-size: 0.78rem;
}
.calendar .head { font-weight: 600; color: var(--muted); text-align: center; padding: 4px 0; }
.calendar .fuel { font-weight: 600; color: var(--green); display: flex; align-items: center; }
.calendar .cell { height: 34px; border-radius: 7px; background: #ECEEE9; }
.calendar .cell.win { background: var(--green); }
.calendar .cell.shoulder { background: #9DB8A6; }
.calendar-legend { display: flex; gap: 22px; margin-top: 14px; font-size: 0.82rem; color: var(--muted); flex-wrap: wrap; }
.calendar-legend span { display: inline-flex; align-items: center; gap: 8px; }
.calendar-legend i { width: 14px; height: 14px; border-radius: 4px; display: inline-block; }

/* ---------- Insights / articles ---------- */
.post-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 980px) { .post-list { grid-template-columns: 1fr; } }

.post-card { display: block; text-decoration: none; }
.post-card .post-meta { font-size: 0.76rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--copper); margin-bottom: 8px; }
.post-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.post-card p { color: var(--ink-2); font-size: 0.92rem; margin: 0; }

.post-article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 48px 52px;
  margin: 40px 0 64px;
  max-width: 820px;
}
.post-article .post-meta { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--copper); }
.post-article h1 { font-size: 2rem; margin: 8px 0 24px; }
.post-article blockquote { border-left: 3px solid var(--copper); margin: 22px 0; padding: 6px 22px; color: var(--ink-2); background: var(--warm-white); border-radius: 0 8px 8px 0; }
.post-article table { border-collapse: collapse; width: 100%; font-size: 0.92rem; }
.post-article th, .post-article td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
.post-article th { background: var(--warm-white); }
@media (max-width: 800px) { .post-article { padding: 28px 22px; } }

/* ---------- Page hero (interior pages) ---------- */
.page-hero { padding: 64px 0 20px; }
.page-hero h1 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); }
.page-hero .sub { color: var(--ink-2); font-size: 1.1rem; max-width: 680px; margin: 0; }

/* ---------- Service rows ---------- */
.service-row {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 22px;
  align-items: start;
}
.service-row .icon { width: 56px; height: 56px; }
.service-row h3 { font-size: 1.12rem; margin-bottom: 6px; }
.service-row p { margin-bottom: 8px; }
.service-row ul { margin: 0; padding-left: 18px; color: var(--ink-2); font-size: 0.94rem; }
.service-row li { margin-bottom: 5px; }
@media (max-width: 640px) { .service-row { grid-template-columns: 1fr; } }

/* ---------- Value props / numbered ---------- */
.value-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.value-list li { display: grid; grid-template-columns: 30px 1fr; gap: 14px; color: var(--ink-2); }
.value-list li::before { content: "—"; color: var(--copper); font-weight: 700; }
.value-list strong { color: var(--green); }

/* ---------- Dark band ---------- */
.band {
  background: linear-gradient(160deg, var(--pine), var(--green));
  color: #E8EDE7;
  border-radius: 18px;
  padding: 52px 56px;
  margin: 72px 0;
}
.band h2 { color: #FFFFFF; font-size: clamp(1.5rem, 3vw, 2rem); }
.band p { color: #C4D1C6; max-width: 640px; }
.band .btn-primary { background: var(--copper); }
.band .btn-primary:hover { background: #8F5820; }
@media (max-width: 700px) { .band { padding: 34px 26px; } }

/* ---------- Testimonials placeholder ---------- */
.quote-card { position: relative; }
.quote-card .q { font-size: 1rem; color: var(--ink-2); font-style: italic; }
.quote-card .who { margin-top: 14px; font-size: 0.85rem; font-weight: 600; color: var(--muted); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-bottom: 64px; }
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; color: var(--ink-2); }
.contact-list strong { color: var(--green); }

.form-grid { display: grid; gap: 14px; }
.form-grid label { font-size: 0.85rem; font-weight: 600; color: var(--ink-2); display: block; margin-bottom: 5px; }
.form-grid input, .form-grid select, .form-grid textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--border);
  border-radius: 9px;
  font: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--warm-white);
}
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus { outline: 2px solid var(--green); outline-offset: 0; border-color: var(--green); }

/* ---------- Reveal animation ----------
   Content is visible by default; the hidden start state applies only once
   scripting has confirmed it can reveal it again. */
.js-reveal .reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.5s ease, transform 0.5s ease; }
.js-reveal .reveal.shown { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js-reveal .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--pine);
  color: #B9C6BB;
  margin-top: 88px;
  padding: 56px 0 36px;
  font-size: 0.9rem;
}
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; margin-bottom: 36px; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }
.site-footer h4 { color: #FFFFFF; font-size: 0.85rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 14px; }
.site-footer a { color: #DCE5DD; text-decoration: none; }
.site-footer a:hover { color: #FFFFFF; text-decoration: underline; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.footer-brand-line { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.footer-brand-line svg { width: 34px; height: 34px; }
.footer-brand-line .name { color: #FFFFFF; font-weight: 700; letter-spacing: 0.24em; font-size: 1rem; }
.footer-tag { color: #9DB0A0; max-width: 300px; }
.footer-legal { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 22px; font-size: 0.78rem; color: #8AA08D; line-height: 1.6; }