/* ============================================
   STRATERA ADVISORS — STYLESHEET
   Design: Institutional refinement
   Palette: Deep charcoal + warm off-white + gold
   Typography: Cormorant Garamond + DM Sans
============================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=DM+Sans:wght@300;400;500&display=swap');

/* ── Reset & Base ── */

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

:root {
  --bg:          #0C1018;
  --bg-surface:  #111520;
  --bg-card:     #161C29;
  --text:        #E2DDD5;
  --text-muted:  #8A8A8A;
  --text-faint:  #4A4A4A;
  --gold:        #B8934A;
  --gold-light:  #D4AA68;
  --rule:        rgba(255,255,255,0.08);
  --rule-gold:   rgba(184,147,74,0.35);

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   2rem;
  --space-lg:   4rem;
  --space-xl:   7rem;
  --space-xxl:  11rem;

  --max-w:      1120px;
  --nav-h:      72px;
  --transition: 0.25s ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ── Layout ── */

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: var(--space-xl) 0;
}

.section--sm {
  padding: var(--space-lg) 0;
}

.section--lg {
  padding: var(--space-xxl) 0;
}

hr.rule {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 0;
}

hr.rule--gold {
  border-top: 1px solid var(--rule-gold);
}

/* ── Navigation ── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(12, 16, 24, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}

.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  color: var(--text);
  text-transform: uppercase;
}

.nav__logo span {
  color: var(--gold);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav__links a {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--text);
}

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.65rem 1.6rem;
  border: 1px solid var(--gold);
  color: var(--gold);
  background: transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.btn:hover {
  background: var(--gold);
  color: var(--bg);
}

.btn--solid {
  background: var(--gold);
  color: var(--bg);
}

.btn--solid:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  color: var(--bg);
}

/* ── Hamburger (mobile) ── */

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--text);
  transition: var(--transition);
}

/* ── Page header ── */

.page-top {
  padding-top: var(--nav-h);
}

/* ── Hero ── */

.hero {
  padding-top: calc(var(--nav-h) + var(--space-xxl));
  padding-bottom: var(--space-xxl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(184,147,74,0.04) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 10% 80%, rgba(184,147,74,0.03) 0%, transparent 70%);
  pointer-events: none;
}

.hero__eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero__eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--gold);
}

.hero__headline {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.8rem, 5.5vw, 5.2rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--text);
  max-width: 820px;
  margin-bottom: 2.5rem;
}

.hero__headline em {
  font-style: italic;
  color: var(--gold-light);
}

.hero__sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 3rem;
  font-weight: 300;
}

/* ── Section labels ── */

.section-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--gold);
  flex-shrink: 0;
}

/* ── Typography ── */

.display-heading {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
}

.display-heading em {
  font-style: italic;
  color: var(--gold-light);
}

h2.section-heading {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.6rem, 2.8vw, 2.5rem);
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 1.25rem;
}

h3.subsection-heading {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.35rem;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.body-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-muted);
  font-weight: 300;
}

.body-text p + p {
  margin-top: 1.25em;
}

/* ── What We Do ── */

.intro-text {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 300;
  line-height: 1.65;
  color: var(--text);
  max-width: 780px;
}

/* ── Service tiles ── */

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  margin-top: 3.5rem;
}

.service-tile {
  background: var(--bg);
  padding: 2.5rem 2.75rem;
  transition: background var(--transition);
  cursor: default;
}

.service-tile a {
  display: block;
  height: 100%;
}

.service-tile:hover {
  background: var(--bg-card);
}

.service-tile__num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--text-faint);
  line-height: 1;
  margin-bottom: 1.25rem;
}

.service-tile__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 1rem;
}

.service-tile__arrow {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  text-transform: uppercase;
  font-family: var(--font-body);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap var(--transition);
}

.service-tile:hover .service-tile__arrow {
  gap: 0.75rem;
}

/* ── How We Engage strip ── */

.engage-strip {
  background: var(--bg-surface);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.engage-strip .container {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-lg);
  align-items: start;
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
}

/* ── CTA strip ── */

.cta-strip {
  text-align: center;
}

.cta-strip .intro-text {
  max-width: 600px;
  margin: 0 auto 2.5rem;
  color: var(--text-muted);
  font-size: 1.1rem;
  font-family: var(--font-body);
  font-weight: 300;
}

/* ── Services page ── */

.page-hero {
  padding-top: calc(var(--nav-h) + var(--space-xl));
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--rule);
}

.service-block {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--rule);
}

.service-block__header {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 2.5rem;
  align-items: start;
  margin-bottom: 2rem;
}

.service-block__num {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 300;
  color: var(--text-faint);
  line-height: 1;
  padding-top: 0.1rem;
}

.service-block__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.service-block__intro {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-muted);
  font-weight: 300;
}

.scope-list {
  list-style: none;
  margin-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.scope-list li {
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--text-muted);
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: 0.75rem;
  align-items: baseline;
}

.scope-list li::before {
  content: '—';
  color: var(--gold);
  font-size: 0.7rem;
}

/* ── Adjacent capabilities ── */

.adjacent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  margin-top: 2.5rem;
}

.adjacent-card {
  background: var(--bg);
  padding: 2rem 2.25rem;
}

.adjacent-card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule-gold);
}

.adjacent-card ul {
  list-style: none;
}

.adjacent-card ul li {
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--text-muted);
  padding: 0.35rem 0;
  display: grid;
  grid-template-columns: 1rem 1fr;
  gap: 0.5rem;
}

.adjacent-card ul li::before {
  content: '—';
  color: var(--gold);
  font-size: 0.65rem;
}

/* ── Mandates page ── */

.confidentiality-notice {
  background: var(--bg-surface);
  border-left: 2px solid var(--gold);
  padding: 1.25rem 1.75rem;
  margin-bottom: var(--space-lg);
}

.confidentiality-notice p {
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.6;
}

.mandate-block {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--rule);
}

.mandate-block:last-child {
  border-bottom: none;
}

.mandate-block__header {
  margin-bottom: 2.5rem;
}

.mandate-block__type {
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.mandate-block__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  line-height: 1.15;
  color: var(--text);
}

.mandate-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-lg);
}

.mandate-section-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 0.75rem;
}

.mandate-section-text {
  font-size: 0.93rem;
  font-weight: 300;
  line-height: 1.78;
  color: var(--text-muted);
}

.mandate-actions {
  margin-top: 2rem;
}

.mandate-actions ul {
  list-style: none;
  border-top: 1px solid var(--rule);
}

.mandate-actions ul li {
  font-size: 0.91rem;
  font-weight: 300;
  color: var(--text-muted);
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: 0.75rem;
  align-items: baseline;
}

.mandate-actions ul li::before {
  content: '—';
  color: var(--gold);
  font-size: 0.65rem;
}

.mandate-outcome {
  margin-top: 2rem;
  padding: 1.75rem;
  background: var(--bg-card);
  border-left: 2px solid var(--gold);
}

.mandate-outcome__label {
  font-family: var(--font-body);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.6rem;
}

.mandate-outcome__text {
  font-size: 0.93rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--text-muted);
}

.mandate-why {
  margin-top: 1.75rem;
}

.mandate-why__label {
  font-family: var(--font-body);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 0.6rem;
}

.mandate-why__text {
  font-size: 0.93rem;
  font-weight: 300;
  font-style: italic;
  line-height: 1.75;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 1.05rem;
}

/* ── Contact page ── */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-lg);
  align-items: start;
}

.contact-info__item {
  margin-top: 2rem;
}

.contact-info__label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 0.35rem;
}

.contact-info__value {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text);
}

.contact-info__value a:hover {
  color: var(--gold);
}

/* ── Form ── */

.form-field {
  margin-bottom: 1.5rem;
}

.form-field label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 0.5rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--rule);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  padding: 0.85rem 1rem;
  outline: none;
  transition: border-color var(--transition);
  -webkit-appearance: none;
  border-radius: 0;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--gold);
}

.form-field textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.65;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--text-faint);
}

/* ── Footer ── */

.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--rule);
  padding: 2.25rem 0;
}

.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer__brand {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.footer__copy {
  font-size: 0.78rem;
  color: var(--text-faint);
  text-align: center;
}

.footer__links {
  display: flex;
  gap: 1.75rem;
}

.footer__links a {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--text-muted);
}

/* ── Legal pages ── */

.legal-content {
  max-width: 720px;
}

.legal-content h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.legal-content p {
  font-size: 0.93rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.legal-content ul {
  list-style: none;
  margin-bottom: 1rem;
}

.legal-content ul li {
  font-size: 0.93rem;
  font-weight: 300;
  color: var(--text-muted);
  padding: 0.25rem 0;
  padding-left: 1.25rem;
  position: relative;
}

.legal-content ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 0.65rem;
  top: 0.45rem;
}

/* ── Page fade in ── */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up {
  animation: fadeUp 0.7s ease both;
}

.fade-up--delay-1 { animation-delay: 0.1s; }
.fade-up--delay-2 { animation-delay: 0.22s; }
.fade-up--delay-3 { animation-delay: 0.36s; }
.fade-up--delay-4 { animation-delay: 0.5s; }

/* ── Responsive ── */

@media (max-width: 900px) {
  .service-grid {
    grid-template-columns: 1fr;
  }

  .engage-strip .container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .mandate-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .adjacent-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 680px) {
  :root {
    --nav-h: 64px;
  }

  .nav__links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--rule);
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
  }

  .nav__links.open {
    display: flex;
  }

  .nav__links li {
    width: 100%;
  }

  .nav__links a {
    display: block;
    padding: 0.9rem 2rem;
  }

  .nav__links .btn {
    margin: 0.5rem 2rem;
    text-align: center;
  }

  .nav__toggle {
    display: flex;
  }

  .service-block__header {
    grid-template-columns: 1fr;
  }

  .service-block__num {
    font-size: 2.5rem;
  }

  .hero {
    padding-top: calc(var(--nav-h) + 4rem);
    padding-bottom: 4rem;
  }
}