/* ============================================================
   Helios Group — shared styles
   Design tokens: color, type, layout. Applied across all pages.
   ============================================================ */

:root {
  color-scheme: light;

  /* palette — light */
  --ink: #13223b;
  --ink-soft: #4b5c74;
  --ink-faint: #7c899c;
  --paper: #f5f6f1;
  --surface: #ffffff;
  --surface-sunk: #eef0ea;
  --line: #dce1db;
  --accent: #d98a2b;
  --accent-strong: #b96f18;
  --accent-wash: #f5e3c8;
  --teal: #1e6e74;
  --teal-wash: #dcebe9;
  --danger: #b3432b;
  --focus: #b96f18;

  /* type */
  --font-display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --font-body: "Public Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  /* layout */
  --content-w: 1120px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius-s: 6px;
  --radius-m: 12px;
  --shadow-card: 0 1px 2px rgba(19, 34, 59, 0.06), 0 8px 24px -12px rgba(19, 34, 59, 0.18);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --ink: #eceee8;
    --ink-soft: #aeb9c1;
    --ink-faint: #7c8894;
    --paper: #0d151e;
    --surface: #152230;
    --surface-sunk: #101a24;
    --line: #263241;
    --accent: #f0a94e;
    --accent-strong: #f6be72;
    --accent-wash: #2c2312;
    --teal: #5fb8bd;
    --teal-wash: #14282a;
    --danger: #e08165;
    --focus: #f0a94e;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #eceee8;
  --ink-soft: #aeb9c1;
  --ink-faint: #7c8894;
  --paper: #0d151e;
  --surface: #152230;
  --surface-sunk: #101a24;
  --line: #263241;
  --accent: #f0a94e;
  --accent-strong: #f6be72;
  --accent-wash: #2c2312;
  --teal: #5fb8bd;
  --teal-wash: #14282a;
  --danger: #e08165;
  --focus: #f0a94e;
}

/* ---------- reset & base ---------- */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
[hidden] { display: none !important; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; margin: 0; text-wrap: balance; color: var(--ink); }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }

.container {
  max-width: var(--content-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
}

.lede {
  font-size: clamp(1.05rem, 0.98rem + 0.3vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 62ch;
}

/* ---------- sunburst mark ---------- */
.mark {
  width: 1.6em;
  height: 1.6em;
  flex: none;
  color: var(--accent);
}
.mark circle { fill: currentColor; }
.mark line { stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }

/* ---------- nav ---------- */
.site-nav {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 40;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--ink);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
}
.nav-links a {
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--ink-soft);
  padding-block: 0.25rem;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}
.nav-cta {
  white-space: nowrap;
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  width: 2.4rem;
  height: 2.4rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle svg { width: 1.2rem; height: 1.2rem; }

@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-cta.desktop-only { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-nav[data-open="true"] .nav-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 1rem var(--gutter) 1.5rem;
  }
  .site-nav[data-open="true"] .nav-links a { padding-block: 0.5rem; width: 100%; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.7em 1.3em;
  border-radius: var(--radius-s);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--accent-strong); }
:root[data-theme="dark"] .btn-primary,
@media (prefers-color-scheme: dark) { }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { border-color: var(--ink-soft); }
.btn-block { width: 100%; justify-content: center; }

/* ---------- hero ---------- */
.hero {
  padding-block: clamp(2.5rem, 6vw, 5rem) clamp(2rem, 5vw, 3.5rem);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero h1 {
  font-size: clamp(2.1rem, 1.7rem + 2vw, 3.4rem);
  line-height: 1.08;
  margin-block: 0.5rem 1rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.6rem;
}
.hero-figure {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-m);
  background:
    radial-gradient(circle at 68% 30%, color-mix(in srgb, var(--accent) 55%, transparent), transparent 60%),
    linear-gradient(155deg, var(--surface), var(--surface-sunk));
  border: 1px solid var(--line);
  overflow: hidden;
}
.hero-figure svg { width: 100%; height: 100%; }

/* ---------- ray divider ---------- */
.ray-divider {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding-block: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--line);
}
.ray-divider .line { flex: 1; height: 1px; background: var(--line); }
.ray-divider .rays { display: flex; gap: 0.35rem; color: var(--accent); flex: none; }
.ray-divider .rays span { width: 3px; height: 12px; background: currentColor; border-radius: 2px; opacity: 0.55; }
.ray-divider .rays span:nth-child(2) { height: 18px; opacity: 0.85; }
.ray-divider .rays span:nth-child(4) { height: 18px; opacity: 0.85; }

/* ---------- section headings ---------- */
.section-head {
  max-width: 640px;
  margin-bottom: clamp(1.75rem, 4vw, 2.5rem);
}
.section-head h2 {
  font-size: clamp(1.6rem, 1.4rem + 1vw, 2.2rem);
  margin-top: 0.5rem;
}
.section {
  padding-block: clamp(1.5rem, 4vw, 3rem);
}

/* ---------- stat strip ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
}
.stat {
  background: var(--surface);
  padding: 1.5rem;
}
.stat .n {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.6rem, 1.4rem + 1vw, 2.1rem);
  color: var(--ink);
  display: block;
}
.stat .l { color: var(--ink-soft); font-size: 0.9rem; margin-top: 0.35rem; display: block; }

/* ---------- card grids ---------- */
.grid {
  display: grid;
  gap: 1.5rem;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.card .icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-s);
  background: var(--accent-wash);
  color: var(--accent-strong);
  display: flex;
  align-items: center;
  justify-content: center;
}
.card .icon svg { width: 1.3rem; height: 1.3rem; }
.card h3 { font-size: 1.15rem; }
.card p { color: var(--ink-soft); font-size: 0.96rem; }
.card .tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.25rem; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  padding: 0.25em 0.6em;
  border-radius: 999px;
  background: var(--teal-wash);
  color: var(--teal);
}

.card-link {
  text-decoration: none;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  margin-top: auto;
}
.card-link svg { width: 1em; height: 1em; transition: transform 0.15s ease; }
.card-link:hover svg { transform: translateX(3px); }

/* ---------- numbered list (used where sequence is real: milestones, process) ---------- */
.seq {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.seq-item {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1.25rem;
  padding-block: 1.5rem;
  border-top: 1px solid var(--line);
}
.seq-item:last-child { border-bottom: 1px solid var(--line); }
.seq-item .num {
  font-family: var(--font-mono);
  color: var(--accent-strong);
  font-size: 0.95rem;
  padding-top: 0.2rem;
}
.seq-item h3 { font-size: 1.1rem; margin-bottom: 0.35rem; }
.seq-item p { color: var(--ink-soft); font-size: 0.95rem; max-width: 60ch; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-m);
  padding: clamp(2rem, 5vw, 3rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.cta-band h2 { color: var(--paper); font-size: clamp(1.4rem, 1.2rem + 1vw, 1.9rem); }
.cta-band p { color: color-mix(in srgb, var(--paper) 70%, transparent); margin-top: 0.4rem; }
.cta-band .btn-primary { background: var(--accent); color: var(--ink); }
.cta-band .btn-primary:hover { background: var(--accent-strong); }
.cta-band .btn-secondary { border-color: color-mix(in srgb, var(--paper) 30%, transparent); color: var(--paper); }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-block: clamp(2rem, 4vw, 3rem);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-grid h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.9rem;
  font-weight: 500;
}
.footer-grid ul { display: flex; flex-direction: column; gap: 0.55rem; }
.footer-grid a { text-decoration: none; color: var(--ink-soft); font-size: 0.92rem; }
.footer-grid a:hover { color: var(--ink); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 0.85rem;
}

/* ---------- page header (interior pages) ---------- */
.page-header {
  padding-block: clamp(2rem, 5vw, 3.5rem) clamp(1.5rem, 4vw, 2rem);
}
.page-header h1 {
  font-size: clamp(2rem, 1.7rem + 1.2vw, 2.8rem);
  margin-top: 0.5rem;
}

/* ---------- forms ---------- */
.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.field label { font-size: 0.88rem; color: var(--ink-soft); font-weight: 600; }
.field input, .field textarea {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  padding: 0.75em 0.9em;
  color: var(--ink);
}
.field input:focus, .field textarea:focus { border-color: var(--accent-strong); }
.form-grid {
  display: grid;
  gap: 1.1rem;
}
.form-note {
  font-size: 0.85rem;
  color: var(--ink-faint);
}
.form-success {
  background: var(--teal-wash);
  color: var(--teal);
  border-radius: var(--radius-s);
  padding: 1em 1.2em;
  font-size: 0.92rem;
}

/* ---------- offices / contact list ---------- */
.info-row {
  display: flex;
  gap: 1rem;
  padding-block: 1.1rem;
  border-top: 1px solid var(--line);
}
.info-row:last-child { border-bottom: 1px solid var(--line); }
.info-row .k { width: 6.5rem; flex: none; color: var(--ink-faint); font-size: 0.85rem; font-family: var(--font-mono); padding-top: 0.15rem; }
.info-row .v { color: var(--ink); }
.copy-btn {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  padding: 0.2em 0.6em;
  margin-left: 0.6em;
  cursor: pointer;
  color: var(--ink-soft);
}
.copy-btn:hover { color: var(--ink); border-color: var(--ink-soft); }

/* ---------- team ---------- */
.person {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.person .avatar {
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 50%;
  background: linear-gradient(155deg, var(--accent-wash), var(--teal-wash));
  color: var(--accent-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
}
.person h3 { font-size: 1.05rem; }
.person .role { color: var(--teal); font-size: 0.85rem; font-family: var(--font-mono); }
.person p.bio { color: var(--ink-soft); font-size: 0.92rem; }

/* ---------- utility ---------- */
.two-col {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (max-width: 860px) {
  .two-col { grid-template-columns: 1fr; }
}
.pill-list { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.5em 1em;
  font-size: 0.88rem;
  color: var(--ink-soft);
}