/* ============================================================
   BEHR GROWTH PARTNERS — design system
   Off-white, deep greens. Bold, editorial, zero fluff.
   ============================================================ */

:root {
  --paper: #f5f3ec;        /* off-white ground */
  --paper-2: #ede9df;      /* slightly deeper card tone */
  --ink: #0e2018;          /* near-black green ink */
  --pine: #14382a;         /* deep green blocks */
  --pine-2: #0f2c21;       /* darker pine for footers */
  --moss: #58705f;         /* muted secondary text on paper */
  --sage: #a9bcae;         /* hairline-ish, muted on dark */
  --signal: #1f9d61;       /* the accent. used sparingly */
  --signal-bright: #2fce7f;/* accent on dark ground */
  --line: rgba(14, 32, 24, 0.16);
  --line-dark: rgba(245, 243, 236, 0.16);

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", monospace;

  --max: 1240px;
  --pad: clamp(20px, 4vw, 48px);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--signal); color: var(--paper); }

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

/* ---------- type ---------- */

h1, h2, h3, h4 {
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.04;
  text-wrap: balance;
}

.display {
  font-size: clamp(3rem, 8.5vw, 7.25rem);
  letter-spacing: -0.045em;
  line-height: 0.98;
  font-weight: 650;
}

.h-xl { font-size: clamp(2.2rem, 5vw, 4rem); font-weight: 650; }
.h-lg { font-size: clamp(1.8rem, 3.6vw, 2.75rem); font-weight: 650; }
.h-md { font-size: clamp(1.3rem, 2.2vw, 1.6rem); font-weight: 600; letter-spacing: -0.02em; }

.serif-accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.lede {
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  line-height: 1.5;
  color: var(--moss);
  max-width: 34em;
  text-wrap: pretty;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moss);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.eyebrow::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: var(--signal);
  display: inline-block;
}
.on-dark .eyebrow { color: var(--sage); }
.on-dark .eyebrow::before { background: var(--signal-bright); }

.muted { color: var(--moss); }

/* ---------- layout ---------- */

.wrap { max-width: var(--max); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }

section { padding: clamp(4rem, 9vw, 8rem) 0; }
section.tight { padding: clamp(2.5rem, 5vw, 4rem) 0; }

.on-dark {
  background: var(--pine);
  color: var(--paper);
}
.on-dark .lede, .on-dark .muted { color: var(--sage); }

.rule { border: 0; border-top: 1px solid var(--line); }
.on-dark .rule { border-top-color: var(--line-dark); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(2rem, 4vw, 4rem); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.25rem, 2vw, 2rem); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1.25rem, 2vw, 2rem); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 2rem;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.05rem;
  white-space: nowrap;
}
.brand .mark {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--paper);
  background: var(--pine);
  padding: 0.25rem 0.45rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
}
.brand:hover .mark { background: var(--signal); }

.site-nav { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2rem); }
.site-nav a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  opacity: 0.75;
  transition: opacity 0.15s;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { opacity: 1; }
.site-nav a.btn { color: var(--paper); opacity: 1; font-size: 0.9rem; padding: 0.65rem 1.25rem; }
.site-nav a[aria-current="page"] { border-bottom: 2px solid var(--signal); padding-bottom: 2px; }

.nav-toggle { display: none; }

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
    background: none;
    border: 1px solid var(--line);
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    padding: 0.5rem 0.8rem;
    cursor: pointer;
    color: var(--ink);
  }
  .site-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem var(--pad) 2rem;
    gap: 1.1rem;
  }
  .site-nav.open { display: flex; }
  .site-nav a { font-size: 1.1rem; }
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, background 0.15s, color 0.15s, border-color 0.15s;
  font-family: var(--font-sans);
}
.btn:active { transform: scale(0.98); }
.btn .arrow { font-family: var(--font-mono); }

.btn-primary { background: var(--pine); color: var(--paper); }
.btn-primary:hover { background: var(--signal); }

.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

.on-dark .btn-primary { background: var(--paper); color: var(--pine); }
.on-dark .btn-primary:hover { background: var(--signal-bright); color: var(--pine-2); }
.on-dark .btn-ghost { color: var(--paper); border-color: var(--paper); }
.on-dark .btn-ghost:hover { background: var(--paper); color: var(--pine); }

.btn-row { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }

.text-link {
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1.5px solid var(--signal);
  padding-bottom: 1px;
}
.text-link:hover { color: var(--signal); }
.on-dark .text-link { border-bottom-color: var(--signal-bright); }
.on-dark .text-link:hover { color: var(--signal-bright); }

/* ---------- hero ---------- */

.hero { padding: clamp(4.5rem, 10vw, 9rem) 0 clamp(3rem, 7vw, 6rem); position: relative; overflow: hidden; }
.hero .display { max-width: 11em; margin-bottom: 2rem; }
.hero .lede { margin-bottom: 2.5rem; max-width: 26em; }

.hero-dune {
  position: absolute;
  bottom: -190px;
  right: -160px;
  width: 860px;
  height: 430px;
  border-radius: 58% 100% 0 0 / 130% 190% 0 0;
  background:
    radial-gradient(120% 90% at 28% 8%, rgba(47, 206, 127, 0.5), transparent 58%),
    linear-gradient(160deg, #1d4d38 10%, #14382a 55%, #0f2c21 100%);
  z-index: -1;
  opacity: 0.97;
}
.hero-dune::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(80% 60% at 70% 18%, rgba(245, 243, 236, 0.12), transparent 55%);
}
.hero-dune::before {
  content: "";
  position: absolute;
  bottom: 0;
  right: 18%;
  width: 85%;
  height: 62%;
  border-radius: 100% 62% 0 0 / 170% 120% 0 0;
  background: linear-gradient(150deg, rgba(47, 206, 127, 0.35), rgba(15, 44, 33, 0.9) 70%);
}
.hero .wrap { position: relative; z-index: 1; }
@media (max-width: 1100px) {
  .hero-dune { width: 720px; height: 340px; bottom: -150px; right: -160px; }
}
@media (max-width: 720px) {
  .hero-dune { display: none; }
}

/* ---------- cards ---------- */

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: clamp(1.5rem, 2.5vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.card .num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--signal);
}
.card h3 { font-size: 1.35rem; }
.card p { color: var(--moss); font-size: 0.98rem; }
.card .text-link { margin-top: auto; align-self: flex-start; font-size: 0.95rem; }

.card-dark {
  background: var(--pine);
  color: var(--paper);
  border-color: transparent;
}
.card-dark p { color: var(--sage); }
.card-dark .num { color: var(--signal-bright); }

.card-tone { background: var(--paper-2); border-color: transparent; }

/* ---------- statement rows (no-noise list) ---------- */

.statement-list { display: flex; flex-direction: column; }
.statement {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 2rem;
  padding: clamp(1.75rem, 3vw, 2.5rem) 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.statement:last-child { border-bottom: 1px solid var(--line); }
.on-dark .statement, .on-dark .statement:last-child { border-color: var(--line-dark); }
.statement .num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--signal);
  padding-top: 0.5rem;
}
.on-dark .statement .num { color: var(--signal-bright); }
.statement h3 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin-bottom: 0.6rem; }
.statement p { color: var(--moss); max-width: 44em; }
.on-dark .statement p { color: var(--sage); }
@media (max-width: 600px) {
  .statement { grid-template-columns: 1fr; gap: 0.5rem; }
}

/* ---------- stats ---------- */

.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
@media (max-width: 700px) { .stat-row { grid-template-columns: 1fr; } }
.stat .big {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1;
}
.stat .big .serif-accent { font-size: 0.9em; }
.stat p { color: var(--moss); font-size: 0.92rem; margin-top: 0.5rem; max-width: 22em; }
.on-dark .stat p { color: var(--sage); }

/* ---------- portfolio ---------- */

.deal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.25rem, 2vw, 2rem); }
@media (max-width: 800px) { .deal-grid { grid-template-columns: 1fr; } }

.deal-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: clamp(1.5rem, 2.5vw, 2.25rem);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--paper);
  transition: border-color 0.15s, transform 0.15s;
}
.deal-card:hover { border-color: var(--pine); transform: translateY(-2px); }

.deal-top { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }

.tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--moss);
  white-space: nowrap;
}
.tag-signal { border-color: var(--signal); color: var(--signal); }

.deal-card h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); }
.deal-card .thesis { color: var(--moss); font-size: 0.98rem; }

.deal-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  border-top: 1px solid var(--line);
  padding-top: 1.1rem;
  margin-top: auto;
}
.deal-facts .fact .k {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--moss);
  display: block;
  margin-bottom: 0.2rem;
}
.deal-facts .fact .v { font-weight: 600; font-size: 0.95rem; }

/* deal detail */
.deal-hero { padding-bottom: clamp(2rem, 4vw, 3rem); }
.deal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem 3.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin: 2.5rem 0;
}

/* ---------- prose (blog + markdown bodies) ---------- */

.prose { max-width: 44em; }
.prose > * + * { margin-top: 1.25em; }
.prose h2 { font-size: 1.7rem; margin-top: 2.2em; }
.prose h3 { font-size: 1.25rem; margin-top: 1.8em; }
.prose p, .prose li { color: #2c443a; font-size: 1.05rem; line-height: 1.75; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: 0.5em; }
.prose blockquote {
  border-left: 3px solid var(--signal);
  padding-left: 1.25em;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--ink);
}
.prose a { color: var(--signal); text-decoration-thickness: 1.5px; }
.prose strong { color: var(--ink); }

/* ---------- blog cards ---------- */

.post-list { display: flex; flex-direction: column; }
.post-row {
  display: grid;
  grid-template-columns: 9rem 1fr auto;
  gap: 2rem;
  align-items: baseline;
  padding: 1.75rem 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  transition: background 0.15s;
}
.post-row:last-child { border-bottom: 1px solid var(--line); }
.post-row:hover h3 { color: var(--signal); }
.post-row .date { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.08em; color: var(--moss); }
.post-row h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); transition: color 0.15s; }
.post-row .excerpt { color: var(--moss); font-size: 0.95rem; margin-top: 0.4rem; max-width: 40em; }
.post-row .arrow { font-family: var(--font-mono); color: var(--moss); }
@media (max-width: 700px) {
  .post-row { grid-template-columns: 1fr; gap: 0.4rem; }
  .post-row .arrow { display: none; }
}

/* ---------- forms ---------- */

.form-stack { display: flex; flex-direction: column; gap: 1.1rem; max-width: 520px; }
.form-stack label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--moss);
  display: block;
  margin-bottom: 0.45rem;
}
.on-dark .form-stack label { color: var(--sage); }

.form-stack input, .form-stack textarea, .form-stack select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--ink);
}
.on-dark .form-stack input, .on-dark .form-stack textarea, .on-dark .form-stack select {
  background: rgba(245, 243, 236, 0.06);
  border-color: var(--line-dark);
  color: var(--paper);
}
.form-stack input:focus, .form-stack textarea:focus, .form-stack select:focus {
  outline: 2px solid var(--signal);
  outline-offset: 1px;
  border-color: transparent;
}
.form-stack .hint { font-size: 0.85rem; color: var(--moss); }
.on-dark .form-stack .hint { color: var(--sage); }

.inline-form { display: flex; gap: 0.75rem; max-width: 520px; }
.inline-form input {
  flex: 1;
  padding: 0.85rem 1.1rem;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  background: rgba(245, 243, 236, 0.07);
  color: var(--paper);
  font-size: 0.98rem;
  font-family: var(--font-sans);
}
.inline-form input::placeholder { color: var(--sage); }
.inline-form input:focus { outline: 2px solid var(--signal-bright); border-color: transparent; }
@media (max-width: 520px) { .inline-form { flex-direction: column; } }

/* ---------- big CTA band ---------- */

.cta-band { position: relative; overflow: hidden; }
.cta-band .h-xl { max-width: 14em; margin-bottom: 1.25rem; }
.cta-band .lede { margin-bottom: 2.25rem; }
.cta-glow {
  position: absolute;
  right: -15%;
  top: -30%;
  width: 55%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 206, 127, 0.28), transparent 65%);
  pointer-events: none;
}

/* ---------- footer ---------- */

.site-footer { background: var(--pine-2); color: var(--paper); padding: clamp(3rem, 6vw, 5rem) 0 2.5rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: clamp(2rem, 4vw, 4rem);
  padding-bottom: 3rem;
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

.site-footer h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sage);
  font-weight: 500;
  margin-bottom: 1rem;
}
.site-footer ul { list-style: none; }
.site-footer li + li { margin-top: 0.6rem; }
.site-footer a { color: var(--paper); text-decoration: none; opacity: 0.85; font-size: 0.95rem; }
.site-footer a:hover { opacity: 1; color: var(--signal-bright); }
.footer-brand p { color: var(--sage); font-size: 0.95rem; max-width: 26em; margin-top: 1rem; }
.footer-bottom {
  border-top: 1px solid var(--line-dark);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--sage);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}
.footer-watermark {
  font-size: clamp(3rem, 9vw, 7rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: rgba(245, 243, 236, 0.05);
  line-height: 1;
  margin: 2rem 0 1rem;
  user-select: none;
}

/* ---------- misc ---------- */

.section-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head .h-lg { max-width: 18em; }
.section-head .lede { margin-top: 1.25rem; }

.split-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.checklist { list-style: none; display: flex; flex-direction: column; gap: 0.9rem; }
.checklist li { padding-left: 1.9rem; position: relative; color: #2c443a; }
.on-dark .checklist li { color: var(--sage); }
.checklist li::before {
  content: "→";
  position: absolute;
  left: 0;
  font-family: var(--font-mono);
  color: var(--signal);
}
.on-dark .checklist li::before { color: var(--signal-bright); }

.notice {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--moss);
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  max-width: 46em;
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--moss);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 2rem;
}
.breadcrumb:hover { color: var(--signal); }