/* =========================================================
   InterConnections, LLC — "Sober Authority"
   Deep charcoal + warm off-white surfaces, restrained brass accent.
   Display: Newsreader (serif) · Body: Source Sans 3
   ========================================================= */

:root {
  /* ---- Type scale ---- */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(2.75rem, 1rem + 6vw, 6.5rem);

  /* ---- 4px spacing system ---- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ---- Radius ---- */
  --radius-sm: 0.2rem;
  --radius-md: 0.35rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

  /* ---- Motion ---- */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  /* ---- Content widths ---- */
  --content-narrow: 640px;
  --content-default: 980px;
  --content-wide: 1240px;
  --content-full: 100%;

  /* ---- Fonts ---- */
  --font-display: 'Newsreader', 'Source Serif 4', Georgia, serif;
  --font-body: 'Source Sans 3', 'Work Sans', Helvetica, Arial, sans-serif;
}

/* ============ LIGHT MODE (default) — warm off-white, near-black text ============ */
:root,
[data-theme='light'] {
  --color-bg: #f2ede4;
  --color-surface: #f8f4ec;
  --color-surface-2: #fbf8f2;
  --color-surface-offset: #ece5d8;
  --color-surface-offset-2: #e4dbc9;
  --color-surface-dynamic: #dcd1ba;
  --color-divider: #d9cdb6;
  --color-border: #cabb9c;

  --color-text: #1c1a16;
  --color-text-muted: #5c564a;
  --color-text-faint: #9b9179;
  --color-text-inverse: #f5efe3;

  /* Brass / antique-gold accent — restrained use only */
  --color-primary: #8a6a2e;
  --color-primary-hover: #6c5122;
  --color-primary-active: #52401c;
  --color-primary-highlight: #e7dcc0;

  --color-surface-dark: #17140f;

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 80 / 0.08);
  --shadow-md: 0 4px 16px oklch(0.2 0.02 80 / 0.10);
  --shadow-lg: 0 16px 40px oklch(0.2 0.02 80 / 0.16);
}

/* ============ DARK MODE — near-black charcoal, warm off-white text ============ */
[data-theme='dark'] {
  --color-bg: #14120f;
  --color-surface: #191713;
  --color-surface-2: #1e1b16;
  --color-surface-offset: #201d17;
  --color-surface-offset-2: #26221b;
  --color-surface-dynamic: #322c22;
  --color-divider: #2c271f;
  --color-border: #3a3226;

  --color-text: #ece5d7;
  --color-text-muted: #a89d87;
  --color-text-faint: #726a57;
  --color-text-inverse: #171512;

  --color-primary: #c6a15b;
  --color-primary-hover: #d9b978;
  --color-primary-active: #a8843f;
  --color-primary-highlight: #3a331f;

  --color-surface-dark: #0d0b08;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 4px 20px oklch(0 0 0 / 0.45);
  --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.55);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #14120f;
    --color-surface: #191713;
    --color-surface-2: #1e1b16;
    --color-surface-offset: #201d17;
    --color-surface-offset-2: #26221b;
    --color-surface-dynamic: #322c22;
    --color-divider: #2c271f;
    --color-border: #3a3226;

    --color-text: #ece5d7;
    --color-text-muted: #a89d87;
    --color-text-faint: #726a57;
    --color-text-inverse: #171512;

    --color-primary: #c6a15b;
    --color-primary-hover: #d9b978;
    --color-primary-active: #a8843f;
    --color-primary-highlight: #3a331f;

    --color-surface-dark: #0d0b08;

    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
    --shadow-md: 0 4px 20px oklch(0 0 0 / 0.45);
    --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.55);
  }
}

/* =========================================================
   Layout primitives
   ========================================================= */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

@media (min-width: 768px) {
  .container { padding-inline: var(--space-8); }
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  z-index: 100;
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.08);
  transition:
    transform 0.3s var(--ease-in-out),
    box-shadow 0.3s var(--ease-in-out),
    background 0.3s var(--ease-in-out);
}
.site-header.header--hidden { transform: translateY(-100%); }
.site-header.header--scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
}
.brand-mark { color: var(--color-primary); flex-shrink: 0; }
.brand-word {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.primary-nav { display: flex; align-items: center; }
.nav-toggle {
  display: none;
  color: var(--color-text);
  padding: var(--space-2);
  border-radius: var(--radius-md);
}
.nav-toggle:hover { background: var(--color-surface-offset); }

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav-list a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.02em;
  position: relative;
  padding-block: var(--space-1);
}
.nav-list a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-interactive);
}
.nav-list a:not(.nav-cta):hover { color: var(--color-text); }
.nav-list a:not(.nav-cta):hover::after { transform: scaleX(1); transform-origin: left; }

.nav-cta {
  color: var(--color-text) !important;
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-4) !important;
  border-radius: var(--radius-full);
  transition: border-color var(--transition-interactive), color var(--transition-interactive), background var(--transition-interactive);
}
.nav-cta:hover {
  border-color: var(--color-primary);
  color: var(--color-primary) !important;
  background: var(--color-primary-highlight);
}

.theme-toggle {
  color: var(--color-text-muted);
  padding: var(--space-2);
  border-radius: var(--radius-full);
  display: inline-flex;
  margin-left: var(--space-6);
}
.theme-toggle:hover { color: var(--color-primary); background: var(--color-surface-offset); }

@media (max-width: 767px) {
  .nav-toggle { display: inline-flex; }
  .nav-list {
    position: fixed;
    inset: 0 0 auto 0;
    top: 68px;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-4) var(--space-6) var(--space-8);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-interactive), transform var(--transition-interactive), visibility var(--transition-interactive);
  }
  .nav-list[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-list a { display: block; width: 100%; padding-block: var(--space-3); font-size: var(--text-base); }
  .nav-cta { margin-top: var(--space-2); text-align: center; width: max-content; }
}

/* =========================================================
   Eyebrow / section kickers
   ========================================================= */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-inverse);
  opacity: 0.8;
  margin-bottom: var(--space-6);
}
.eyebrow-mark {
  width: 6px; height: 6px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.section-kicker {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  font-weight: 600;
}

.section-head { max-width: 46ch; margin-bottom: var(--space-16); }

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-surface-dark);
  color: var(--color-text-inverse);
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.62;
}
.hero-media-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, oklch(0.08 0.01 60 / 0.94) 0%, oklch(0.08 0.01 60 / 0.72) 42%, oklch(0.08 0.01 60 / 0.35) 100%);
}
.hero-inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(var(--space-24), 14vw, var(--space-32));
  max-width: 900px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 400;
  color: var(--color-text-inverse);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-8);
}
.hero-lede {
  font-size: var(--text-lg);
  color: oklch(0.92 0.01 80 / 0.82);
  max-width: 44ch;
  margin-bottom: var(--space-10);
  font-weight: 300;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1px solid transparent;
  min-height: 44px;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    border-color var(--transition-interactive),
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-primary);
  color: #16130d;
  font-weight: 600;
}
.btn-primary:hover { background: var(--color-primary-hover); box-shadow: var(--shadow-md); color: #16130d; }

.btn-ghost {
  border-color: oklch(0.92 0.01 80 / 0.35);
  color: var(--color-text-inverse);
}
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn-block { width: 100%; }

/* =========================================================
   Services
   ========================================================= */
.services {
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
  background: var(--color-bg);
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.service-row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: var(--space-8);
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-divider);
}
.service-row:last-child { border-bottom: 1px solid var(--color-divider); }

.service-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  font-weight: 300;
}
.service-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}
.service-text {
  color: var(--color-text-muted);
  max-width: 66ch;
  margin-bottom: var(--space-6);
}
.service-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
  max-width: 66ch;
}
.service-meta dt {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-1);
}
.service-meta dd {
  font-size: var(--text-sm);
  color: var(--color-text);
}

@media (max-width: 640px) {
  .service-row { grid-template-columns: 1fr; gap: var(--space-4); }
  .service-meta { grid-template-columns: 1fr; }
}

/* =========================================================
   Approach / POV
   ========================================================= */
.approach {
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
  background: var(--color-surface-dark);
  color: var(--color-text-inverse);
}
.approach .section-kicker { color: var(--color-primary); }
.approach .section-title { color: var(--color-text-inverse); max-width: 20ch; }

.approach-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-16);
  align-items: start;
}

.approach-text {
  color: oklch(0.92 0.01 80 / 0.78);
  max-width: 58ch;
  margin-bottom: var(--space-6);
}
.approach-text--closing {
  color: var(--color-text-inverse);
  font-weight: 500;
}

.pull-quote {
  border-left: none;
  border-top: 1px solid oklch(0.75 0.08 80 / 0.4);
  padding-top: var(--space-6);
  margin-block: var(--space-8);
  max-width: 58ch;
}
.pull-quote p {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text-inverse);
  line-height: 1.5;
}
.pull-quote strong { color: var(--color-primary); font-weight: 600; }

.approach-visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  position: sticky;
  top: calc(var(--space-24));
}
.approach-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid oklch(0.75 0.08 80 / 0.18);
}
.approach-figure img { width: 100%; height: auto; }

.stat-card {
  background: oklch(0.98 0.01 80 / 0.04);
  border: 1px solid oklch(0.75 0.08 80 / 0.18);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.stat-figure {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-2);
  line-height: 1;
}
.stat-label {
  font-size: var(--text-sm);
  color: oklch(0.92 0.01 80 / 0.7);
  max-width: 30ch;
}

@media (max-width: 900px) {
  .approach-grid { grid-template-columns: 1fr; gap: var(--space-10); }
  .approach-visual { position: static; }
  .approach .section-title { max-width: 100%; }
}

/* =========================================================
   About / Team
   ========================================================= */
.about {
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
  background: var(--color-bg);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-10);
}
.team-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
}
.team-card:first-child { margin-top: 0; }
.team-card:nth-child(2) { margin-top: var(--space-10); }

.team-card-head { margin-bottom: var(--space-6); padding-bottom: var(--space-6); border-bottom: 1px solid var(--color-divider); }
.team-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.team-role {
  font-size: var(--text-sm);
  color: var(--color-primary);
  letter-spacing: 0.01em;
}
.team-bio {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.team-bio cite { font-style: italic; color: var(--color-text); }

.team-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.team-tags li {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  letter-spacing: 0.02em;
}

@media (max-width: 800px) {
  .team-grid { grid-template-columns: 1fr; }
  .team-card:nth-child(2) { margin-top: 0; }
}

/* =========================================================
   Insights
   ========================================================= */
.insights {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  background: var(--color-surface-offset);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.insights-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-16);
}
.insights-copy .section-title { max-width: 18ch; }
.insights-text { color: var(--color-text-muted); max-width: 42ch; }

.insights-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8) var(--space-8);
}
.insight-item {
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-divider);
}
.insight-kicker {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.insight-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  line-height: 1.35;
}
.insight-meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

@media (max-width: 900px) {
  .insights-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .insights-copy .section-title { max-width: 100%; }
}
@media (max-width: 560px) {
  .insights-list { grid-template-columns: 1fr; }
}

/* =========================================================
   Contact
   ========================================================= */
.contact {
  position: relative;
  padding-block: clamp(var(--space-20), 10vw, var(--space-32));
  background: var(--color-surface);
  overflow: hidden;
}
.contact-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.5;
}
[data-theme='dark'] .contact-media { opacity: 0.16; }
.contact-media img { width: 100%; height: 100%; object-fit: cover; }
.contact-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--color-surface) 0%, color-mix(in oklab, var(--color-surface) 70%, transparent) 60%, var(--color-surface) 100%);
}

.contact-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-text { color: var(--color-text-muted); margin-bottom: var(--space-8); max-width: 46ch; }
.contact-email {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: var(--space-1);
}
.contact-email:hover { color: var(--color-primary-hover); border-color: var(--color-primary-hover); }

.contact-form {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.form-row { display: flex; flex-direction: column; gap: var(--space-2); }
.form-row label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}
.form-row input,
.form-row textarea {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text);
  min-height: 44px;
  resize: vertical;
}
.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
  outline: none;
}
.form-note {
  font-size: var(--text-sm);
  color: var(--color-primary);
  min-height: 1.2em;
}

@media (max-width: 860px) {
  .contact-inner { grid-template-columns: 1fr; gap: var(--space-10); }
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: var(--color-surface-dark);
  color: oklch(0.92 0.01 80 / 0.7);
  padding-block: var(--space-16);
  border-top: 1px solid oklch(0.75 0.08 80 / 0.14);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "brand nav"
    "tagline nav"
    "legal legal";
  align-items: center;
  gap: var(--space-6) var(--space-8);
}
.brand--footer { grid-area: brand; color: var(--color-text-inverse); }
.footer-tagline { grid-area: tagline; font-family: var(--font-display); font-style: italic; font-size: var(--text-sm); color: oklch(0.92 0.01 80 / 0.55); }
.footer-nav { grid-area: nav; display: flex; gap: var(--space-6); flex-wrap: wrap; }
.footer-nav a { color: oklch(0.92 0.01 80 / 0.7); text-decoration: none; font-size: var(--text-sm); }
.footer-nav a:hover { color: var(--color-primary); }
.footer-legal {
  grid-area: legal;
  font-size: var(--text-xs);
  color: oklch(0.92 0.01 80 / 0.4);
  padding-top: var(--space-8);
  border-top: 1px solid oklch(0.75 0.08 80 / 0.12);
  margin-top: var(--space-4);
}

@media (max-width: 700px) {
  .footer-inner { grid-template-columns: 1fr; grid-template-areas: "brand" "tagline" "nav" "legal"; }
}

/* =========================================================
   Scroll reveal (opacity/clip-path only — no CLS)
   ========================================================= */
.reveal { opacity: 1; }
@supports (animation-timeline: view()) {
  .reveal {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 45%;
  }
}
@keyframes reveal-fade { to { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; animation: none !important; }
}