/* ============================================================
   CS Executive Services, LLC — Shared Stylesheet
   Brand: Navy #0a1628 · Amber #e8a124 · Cormorant + 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;1,500&family=DM+Sans:wght@300;400;500&family=Montserrat:wght@400;500;600&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --navy:       #0a1628;
  --navy-2:     #13233d;
  --navy-3:     #0d1e35;
  --amber:      #e8a124;
  --amber-dim:  #c4881e;
  --slate:      #3a4a5a;
  --lgray:      #eef1f4;
  --mgray:      #b8c2cc;
  --sgray:      #6b7c8d;
  --white:      #ffffff;
  --font-disp:  'Cormorant Garamond', Georgia, serif;
  --font-body:  'DM Sans', system-ui, sans-serif;
  --font-label: 'Montserrat', system-ui, sans-serif;
  --nav-h:      80px;
  --max-w:      1160px;
  --ease:       cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--slate);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ── Layout Utilities ──────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}
.section { padding: 100px 0; }
.section-sm { padding: 64px 0; }
.section-dark  { background: var(--navy);   color: var(--white); }
.section-mid   { background: var(--navy-2); color: var(--white); }
.section-light { background: var(--lgray);  color: var(--slate); }
.section-white { background: var(--white);  color: var(--slate); }

/* ── Typography ────────────────────────────────────────────── */
.eyebrow {
  font-family: var(--font-label);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  display: block;
  margin-bottom: 16px;
}
h1, h2, h3, h4 {
  font-family: var(--font-disp);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.6rem, 5vw, 4.2rem); }
h2 { font-size: clamp(2rem,   4vw, 3rem);   }
h3 { font-size: clamp(1.4rem, 2vw, 1.9rem); }
h4 { font-size: 1.2rem; }
p  { font-size: 1.0625rem; line-height: 1.8; color: inherit; }

.lead {
  font-family: var(--font-disp);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 300;
  line-height: 1.65;
  font-style: italic;
}
.text-amber  { color: var(--amber); }
.text-mgray  { color: var(--mgray); }
.text-center { text-align: center; }
.mt-sm  { margin-top: 16px; }
.mt-md  { margin-top: 32px; }
.mt-lg  { margin-top: 56px; }

/* ── Rule Lines ────────────────────────────────────────────── */
.rule {
  width: 48px;
  height: 2px;
  background: var(--amber);
  margin: 24px 0 32px;
}
.rule-center { margin-left: auto; margin-right: auto; }

/* ── Buttons / Links ───────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--font-label);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 14px 32px;
  border: 1px solid transparent;
  transition: all 0.25s var(--ease);
}
.btn-primary {
  background: var(--amber);
  color: var(--navy);
  border-color: var(--amber);
}
.btn-primary:hover {
  background: var(--amber-dim);
  border-color: var(--amber-dim);
}
.btn-outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--white);
}
.btn-outline-dark {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline-dark:hover {
  background: var(--navy);
  color: var(--white);
}
.text-link {
  font-family: var(--font-label);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.2s;
}
.text-link:hover { border-color: var(--amber); }

/* ── Navigation ────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.nav.nav-scrolled {
  background: var(--navy);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}
.nav-logo {
  font-family: var(--font-disp);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--white);
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.nav-logo span {
  display: block;
  font-family: var(--font-label);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mgray);
  margin-top: 2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-link {
  font-family: var(--font-label);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0.8;
  position: relative;
  padding-bottom: 4px;
  transition: opacity 0.2s;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--amber);
  transition: width 0.25s var(--ease);
}
.nav-link:hover       { opacity: 1; }
.nav-link:hover::after { width: 100%; }

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 20px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--navy-2);
  border-top: 2px solid var(--amber);
  min-width: 220px;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-8px);
  transition: opacity 0.2s, visibility 0.2s, transform 0.2s var(--ease);
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.open  .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-menu a {
  display: block;
  padding: 10px 24px;
  font-family: var(--font-label);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mgray);
  transition: color 0.2s, background 0.2s;
}
.nav-dropdown-menu a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.04);
}

/* Mobile menu */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white);
  transition: all 0.25s var(--ease);
}
.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--navy);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  transition: opacity 0.3s;
}
.nav-mobile.open { display: flex; opacity: 1; }
.nav-mobile a {
  font-family: var(--font-disp);
  font-size: 2rem;
  color: var(--white);
  opacity: 0.85;
  transition: opacity 0.2s, color 0.2s;
}
.nav-mobile a:hover { opacity: 1; color: var(--amber); }
.nav-mobile-close {
  position: absolute;
  top: 28px; right: 40px;
  font-family: var(--font-label);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mgray);
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(232,161,36,0.04) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 20% 80%, rgba(19,35,61,0.8) 0%, transparent 60%);
  pointer-events: none;
}
.hero-bg-line {
  position: absolute;
  right: 10%;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(232,161,36,0.12), transparent);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-top: var(--nav-h);
}
.hero-eyebrow {
  font-family: var(--font-label);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}
.hero h1 {
  color: var(--white);
  max-width: 680px;
}
.hero h1 em {
  font-style: italic;
  color: rgba(255,255,255,0.7);
}
.hero-rule {
  width: 40px;
  height: 1px;
  background: var(--amber);
  margin: 32px 0;
}
.hero-body {
  max-width: 520px;
  color: var(--mgray);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 48px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Interior page hero */
.page-hero {
  padding: calc(var(--nav-h) + 80px) 0 80px;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 100% at 80% 50%, rgba(232,161,36,0.04) 0%, transparent 65%);
  pointer-events: none;
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero h1 { color: var(--white); max-width: 600px; }
.page-hero .lead { color: var(--mgray); max-width: 560px; margin-top: 24px; }

/* ── Section Headers ───────────────────────────────────────── */
.section-header { max-width: 620px; margin-bottom: 64px; }
.section-header-center {
  max-width: 620px;
  margin: 0 auto 64px;
  text-align: center;
}
.section-header h2,
.section-header-center h2 { margin-top: 0; }

/* ── Service Cards (home) ──────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.card {
  background: var(--navy-2);
  padding: 48px 36px;
  border-top: 2px solid transparent;
  transition: border-color 0.25s, background 0.25s;
  display: flex;
  flex-direction: column;
}
.card:hover {
  border-color: var(--amber);
  background: var(--navy-3);
}
.card-number {
  font-family: var(--font-label);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--amber);
  margin-bottom: 32px;
}
.card h3 {
  color: var(--white);
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.card p {
  color: var(--mgray);
  font-size: 0.95rem;
  line-height: 1.75;
  flex: 1;
}
.card-footer { margin-top: 36px; }

/* ── Content Prose ─────────────────────────────────────────── */
.prose { max-width: 680px; }
.prose p + p { margin-top: 20px; }
.prose h3 { margin: 40px 0 16px; }

/* ── Two-Column Layout ─────────────────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.two-col-wide {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 80px;
  align-items: start;
}

/* ── About / Values ────────────────────────────────────────── */
.values-list { margin-top: 40px; }
.value-item {
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 24px;
  align-items: start;
}
.value-item:last-child { border-bottom: none; }
.value-num {
  font-family: var(--font-label);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--amber);
  padding-top: 4px;
}
.value-item h4 { color: var(--white); font-size: 1rem; margin-bottom: 8px; }
.value-item p  { color: var(--mgray); font-size: 0.9rem; }

/* ── Discipline Block (about) ──────────────────────────────── */
.disciplines { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; margin-top: 48px; }
.discipline-block {
  padding: 36px 32px;
  background: var(--lgray);
  border-left: 2px solid transparent;
  transition: border-color 0.25s;
}
.discipline-block:hover { border-color: var(--amber); }
.discipline-block h4 {
  font-family: var(--font-disp);
  font-size: 1.25rem;
  color: var(--navy);
  margin-bottom: 10px;
}
.discipline-block p {
  font-size: 0.9rem;
  color: var(--sgray);
  line-height: 1.7;
}

/* ── Enquiry Block (service pages) ────────────────────────── */
.enquiry-block {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 80px;
  padding-top: 64px;
  text-align: center;
}
.enquiry-block h2 { color: var(--white); max-width: 520px; margin: 0 auto; }
.enquiry-block .lead {
  color: var(--mgray);
  max-width: 480px;
  margin: 20px auto 40px;
}

/* ── Contact Form ──────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 80px;
  align-items: start;
}
.form { display: flex; flex-direction: column; gap: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-label {
  font-family: var(--font-label);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sgray);
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--lgray);
  border: 1px solid rgba(58,74,90,0.2);
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--slate);
  transition: border-color 0.2s, background 0.2s;
  -webkit-appearance: none;
  appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--amber);
  background: var(--white);
}
.form-textarea { min-height: 140px; resize: vertical; line-height: 1.6; }
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b7c8d' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}
.form-submit {
  align-self: flex-start;
  margin-top: 8px;
}
.form-status {
  padding: 18px 24px;
  font-size: 0.9rem;
  line-height: 1.65;
  border-left: 3px solid;
  display: none;
  margin-bottom: 8px;
}
.form-status.success {
  border-color: var(--amber);
  background: rgba(232,161,36,0.06);
  color: var(--slate);
  display: block;
}
.form-status.error {
  border-color: rgba(58,74,90,0.4);
  background: var(--lgray);
  color: var(--slate);
  display: block;
}
.status-link {
  color: var(--amber);
  transition: color 0.2s;
  text-decoration: none;
}
.status-link:hover { color: var(--navy); }

/* Post-submission states */
.form-thankyou {
  padding: 48px 0 40px;
}
.form-thankyou-mark {
  width: 44px;
  height: 44px;
  background: var(--amber);
  color: var(--white);
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
}
.form-thankyou h3 {
  font-family: var(--font-disp);
  font-size: 1.6rem;
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.25;
}
.form-thankyou p {
  color: var(--sgray);
  line-height: 1.75;
  max-width: 480px;
}
.form-unavailable {
  padding: 40px 0;
}
.form-unavailable h3 {
  font-family: var(--font-disp);
  font-size: 1.5rem;
  color: var(--navy);
  margin: 16px 0 20px;
  line-height: 1.3;
}
.form-unavailable .rule {
  margin-bottom: 24px;
}
.form-unavailable p {
  color: var(--sgray);
  line-height: 1.75;
  font-size: 1rem;
  max-width: 480px;
}
.contact-aside { padding-top: 8px; }
.contact-method {
  padding: 28px 0;
  border-bottom: 1px solid rgba(58,74,90,0.12);
}
.contact-method:last-child { border-bottom: none; }
.contact-method-label {
  font-family: var(--font-label);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 8px;
}
.contact-method a,
.contact-method p {
  font-family: var(--font-disp);
  font-size: 1.15rem;
  color: var(--slate);
  transition: color 0.2s;
}
.contact-method a:hover { color: var(--navy); }
.contact-note {
  margin-top: 40px;
  padding: 24px;
  background: var(--lgray);
  border-left: 2px solid var(--amber);
}
.contact-note p {
  font-family: var(--font-disp);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--sgray);
  line-height: 1.7;
}

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  background: var(--navy);
  padding: 60px 0 40px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 36px;
}
.footer-brand-name {
  font-family: var(--font-disp);
  font-size: 1.25rem;
  color: var(--white);
  margin-bottom: 12px;
}
.footer-brand-desc {
  font-size: 0.875rem;
  color: var(--mgray);
  line-height: 1.7;
  max-width: 280px;
}
.footer-col-title {
  font-family: var(--font-label);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 0.875rem;
  color: var(--mgray);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-legal {
  font-size: 0.78rem;
  color: var(--sgray);
  line-height: 1.6;
}
.footer-amber-rule {
  width: 32px;
  height: 1px;
  background: var(--amber);
  margin-bottom: 36px;
}

/* ── Fade-in Animations ────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: 1fr 1fr; }
  .two-col, .two-col-wide { grid-template-columns: 1fr; gap: 48px; }
  .disciplines { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 56px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --nav-h: 68px; }
  .container { padding: 0 24px; }
  .section { padding: 72px 0; }
  .cards-grid { grid-template-columns: 1fr; gap: 2px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  h1 { font-size: 2.4rem; }
  h2 { font-size: 1.9rem; }
}