/* ============================================================
   GREY CONCIERGE — STYLESHEET
   Fonts: Libre Baskerville (headings) + Inter (body)
   Palette: Cream background, navy accent
   ============================================================ */

:root {
  --bg: #faf8f5;
  --surface: #f0ebe4;
  --surface-dark: #1c2b3a;
  --accent: #1c2b3a;
  --accent-dim: rgba(28, 43, 58, 0.06);
  --accent-border: rgba(28, 43, 58, 0.18);
  --text: #1a1815;
  --text-muted: #7a746c;
  --text-subtle: #b8b0a6;
  --border: rgba(26, 24, 21, 0.08);
  --border-hover: rgba(26, 24, 21, 0.16);
  --font-serif: 'Libre Baskerville', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --max-w: 1240px;
  --radius: 1px;
  --transition: 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.18s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}
h2 { font-size: clamp(1.9rem, 3.5vw, 3.2rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.7rem); }
h4 { font-size: clamp(1rem, 1.4vw, 1.2rem); }
em { font-style: italic; }
p { font-size: clamp(0.875rem, 1.1vw, 0.95rem); color: var(--text-muted); line-height: 1.9; }

/* === LAYOUT === */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }
.section { padding: 7rem 0; }
.section--surface { background: var(--surface); }
.section__header { margin-bottom: 4rem; max-width: 580px; }
.section__header h2 { margin-top: 0.6rem; }

/* === UTILITIES === */
.label {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: block;
  font-weight: 500;
}
.label--light { color: rgba(250, 248, 245, 0.55); }

.divider {
  width: 32px; height: 1px;
  background: var(--accent);
  margin: 1.5rem 0;
  opacity: 0.3;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.78rem 1.7rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  transition: var(--transition);
  border-radius: var(--radius);
  white-space: nowrap;
}
.btn--navy {
  background: var(--accent);
  color: #faf8f5;
  font-weight: 600;
}
.btn--navy:hover {
  background: #243648;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(28, 43, 58, 0.2);
}
.btn--cream {
  background: var(--bg);
  color: var(--accent);
  font-weight: 600;
}
.btn--cream:hover { background: #fff; transform: translateY(-2px); }
.btn--outline {
  border: 1px solid var(--border-hover);
  color: var(--text-muted);
}
.btn--outline:hover { border-color: var(--accent-border); color: var(--accent); }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.6rem 0;
  transition: background 0.5s ease, padding 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(250, 248, 245, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1rem 0;
  border-bottom-color: var(--border);
  box-shadow: 0 1px 24px rgba(26, 24, 21, 0.05);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; }
.nav__logo-img { height: 36px; width: auto; }
.nav__links { display: flex; align-items: center; gap: 2.2rem; }
.nav__link {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  font-weight: 400;
}
.nav__link:hover, .nav__link.active { color: var(--text); }
.nav__cta { margin-left: 0.4rem; }
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  position: relative;
  z-index: 101;
}
.nav__hamburger span {
  display: block;
  width: 22px; height: 1px;
  background: var(--text);
  transition: var(--transition-fast);
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 6rem;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 30%, rgba(28, 43, 58, 0.04) 0%, transparent 70%),
    repeating-linear-gradient(0deg, transparent, transparent 100px, rgba(26,24,21,0.012) 100px, rgba(26,24,21,0.012) 101px),
    repeating-linear-gradient(90deg, transparent, transparent 100px, rgba(26,24,21,0.012) 100px, rgba(26,24,21,0.012) 101px);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; width: 100%; }
.hero__content { max-width: 660px; }
.hero__title {
  font-size: clamp(2rem, 3.8vw, 4rem);
  font-weight: 400;
  line-height: 1.14;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
  margin-top: 0.5rem;
}
.hero__title em { font-style: italic; color: var(--accent); }
.hero__sub {
  font-size: clamp(0.88rem, 1.2vw, 1rem);
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 2.2rem;
  line-height: 1.88;
}
.hero__actions { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.hero__scroll-cue {
  margin-top: 3rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text-subtle);
  opacity: 0.6;
}
.hero__scroll-line {
  display: block;
  width: 1px; height: 36px;
  background: currentColor;
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 0.5; }
  50% { transform: scaleY(0.5); opacity: 1; }
}

/* ============================================================
   STATS
   ============================================================ */
.stats {
  background: var(--accent);
  padding: 3.5rem 0;
}
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stats__item {
  padding: 1.5rem 2rem;
  text-align: center;
  border-right: 1px solid rgba(250, 248, 245, 0.12);
}
.stats__item:last-child { border-right: none; }
.stats__value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0;
  margin-bottom: 0.5rem;
}
.stats__suffix {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  color: rgba(250, 248, 245, 0.6);
  font-weight: 400;
  line-height: 1;
  align-self: flex-end;
  padding-bottom: 0.1em;
}
.stats__num {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 4vw, 4rem);
  color: var(--bg);
  font-weight: 400;
  line-height: 1;
  display: inline-block;
}
.stats__label {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(250, 248, 245, 0.5);
  font-family: var(--font-sans);
  line-height: 1.5;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.service-card {
  background: var(--bg);
  padding: 3rem 2.5rem;
  transition: background var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover { background: var(--surface); }
.service-card--featured {
  background: var(--surface);
  position: relative;
}
.service-card--featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0.5;
}
.service-card__number {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  color: var(--text-subtle);
  margin-bottom: 1.8rem;
}
.service-card__title {
  font-size: clamp(1.1rem, 1.6vw, 1.5rem);
  margin-bottom: 1rem;
  font-weight: 400;
}
.service-card__body {
  font-size: 0.86rem;
  line-height: 1.9;
  color: var(--text-muted);
  margin-bottom: 2rem;
  flex: 1;
}
.service-card__link {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-fast);
  margin-top: auto;
}
.service-card:hover .service-card__link,
.service-card__link:hover { color: var(--accent); gap: 0.7rem; }

/* ============================================================
   DIFFERENTIATOR
   ============================================================ */
.differentiator {
  background: var(--surface-dark);
  padding: 9rem 0;
  position: relative;
  overflow: hidden;
}
.differentiator::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 20% 50%, rgba(250,248,245,0.03) 0%, transparent 70%);
  pointer-events: none;
}
.differentiator__inner { position: relative; z-index: 1; max-width: 760px; }
.differentiator__title {
  font-size: clamp(1.9rem, 3.8vw, 3.8rem);
  line-height: 1.14;
  margin-bottom: 1.8rem;
  font-weight: 400;
  margin-top: 0.6rem;
  color: #faf8f5;
}
.differentiator__title em { font-style: italic; color: rgba(250,248,245,0.55); }
.differentiator__body {
  font-size: clamp(0.9rem, 1.2vw, 1rem);
  color: rgba(250, 248, 245, 0.45);
  max-width: 540px;
  margin-bottom: 2.5rem;
  line-height: 1.95;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.steps__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.step {
  background: var(--bg);
  padding: 2.8rem 2rem;
  transition: background var(--transition);
  position: relative;
}
.step:hover { background: var(--surface); }
.step::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease, opacity 0.4s ease;
}
.step:hover::after { transform: scaleX(1); opacity: 0.35; }
.step__num {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  color: var(--text-subtle);
  margin-bottom: 1.5rem;
}
.step__title {
  font-size: 1.15rem;
  margin-bottom: 0.8rem;
  font-weight: 400;
  font-family: var(--font-serif);
  letter-spacing: -0.01em;
}
.step__body { font-size: 0.84rem; color: var(--text-muted); line-height: 1.85; }

/* ============================================================
   REGIONS
   ============================================================ */
.regions__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.region-card {
  background: var(--surface);
  padding: 2.5rem 1.8rem;
  transition: background var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.region-card:hover { background: var(--bg); }
.region-card__num {
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  color: var(--text-subtle);
  display: block;
  margin-bottom: 0.6rem;
}
.region-card h4 { font-size: 1rem; font-weight: 400; margin-bottom: 0.3rem; }
.region-card p { font-size: 0.8rem; line-height: 1.8; color: var(--text-muted); }

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band {
  padding: 7rem 0;
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(28,43,58,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.cta-band__inner {
  position: relative; z-index: 1;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.cta-band__title {
  font-size: clamp(1.9rem, 3.5vw, 3.2rem);
  margin-bottom: 1.2rem;
  margin-top: 0.5rem;
}
.cta-band__sub {
  font-size: 0.92rem;
  color: var(--text-muted);
  max-width: 420px;
  margin: 0 auto 2.5rem;
  line-height: 1.9;
}
.cta-band__actions { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 4rem 0 3rem;
}
.footer__inner { display: flex; flex-direction: column; gap: 2.5rem; }
.footer__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 3rem;
  flex-wrap: wrap;
}
.footer__logo-img { height: 40px; width: auto; opacity: 0.75; }
.footer__tagline { font-size: 0.7rem; color: var(--text-subtle); letter-spacing: 0.08em; margin-top: 0.5rem; }
.footer__nav { display: flex; gap: 1.8rem; flex-wrap: wrap; align-items: center; }
.footer__nav a {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}
.footer__nav a:hover { color: var(--text); }
.footer__social { display: flex; gap: 1rem; align-items: center; }
.footer__social a { color: var(--text-muted); transition: color var(--transition-fast); display: inline-flex; align-items: center; }
.footer__social a:hover { color: var(--accent); }
.footer__bottom { border-top: 1px solid var(--border); padding-top: 2rem; display: flex; flex-direction: column; gap: 0.8rem; }
.footer__disclaimer { font-size: 0.7rem; color: var(--text-subtle); line-height: 1.7; max-width: 500px; }
.footer__legal { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer__copy { font-size: 0.7rem; color: var(--text-subtle); }
.footer__legal-links { display: flex; gap: 1.5rem; }
.footer__legal-links a {
  font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-subtle); transition: color var(--transition-fast);
}
.footer__legal-links a:hover { color: var(--text-muted); }

/* ============================================================
   INNER PAGE BASE
   ============================================================ */
.page-header { padding: 9rem 0 5rem; border-bottom: 1px solid var(--border); }
.page-header__back {
  font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-muted); display: inline-flex; align-items: center;
  gap: 0.5rem; margin-bottom: 2rem; transition: color var(--transition-fast);
}
.page-header__back:hover { color: var(--accent); }
.page-header h1 {
  font-size: clamp(1.8rem, 3.5vw, 3.2rem);
  line-height: 1.2; max-width: 680px;
  margin-bottom: 1.2rem; margin-top: 0.5rem;
}
.page-header__lead {
  font-size: clamp(0.9rem, 1.3vw, 1rem);
  color: var(--text-muted); max-width: 520px; line-height: 1.88;
}

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 6rem;
  padding: 5rem 0 7rem;
  align-items: start;
}
.contact-info h3 { font-size: clamp(1.2rem, 1.8vw, 1.6rem); margin-bottom: 1rem; }
.contact-info p { margin-bottom: 1.1rem; font-size: 0.9rem; }
.contact-covers { margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--border); }
.contact-covers h4 { font-size: 0.85rem; margin-bottom: 1.2rem; font-family: var(--font-sans); font-weight: 500; color: var(--text-muted); letter-spacing: 0.05em; }
.contact-covers__list { display: flex; flex-direction: column; gap: 0.7rem; }
.contact-covers__list li { font-size: 0.84rem; color: var(--text-muted); display: flex; align-items: flex-start; gap: 0.7rem; }
.contact-covers__list li::before { content: ''; display: block; width: 4px; height: 4px; min-width: 4px; border-radius: 50%; background: var(--accent); opacity: 0.4; margin-top: 0.55em; }
.contact-detail { margin-top: 2rem; display: flex; flex-direction: column; gap: 1rem; }
.contact-detail__label { font-size: 0.58rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-subtle); display: block; margin-bottom: 0.15rem; }
.contact-detail__value { font-size: 0.88rem; color: var(--text-muted); }
.contact-embed { background: var(--surface); border: 1px solid var(--border); padding: 1.5rem; overflow: hidden; }

/* Article / legal pages */
.article-body {
  max-width: 720px;
  padding: 5rem 0 7rem;
}
.article-body h2 { font-size: clamp(1.2rem, 1.8vw, 1.5rem); margin-bottom: 0.8rem; margin-top: 2.5rem; }
.article-body h2:first-child { margin-top: 0; }
.article-body p { margin-bottom: 1rem; font-size: 0.9rem; }
.article-body ul { margin: 0.8rem 0 1rem 1.2rem; display: flex; flex-direction: column; gap: 0.4rem; }
.article-body ul li { font-size: 0.88rem; color: var(--text-muted); list-style: disc; }
.article-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .regions__grid { grid-template-columns: repeat(3, 1fr); }
  .steps__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .section { padding: 5rem 0; }
  .services__grid { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__item { border-right: none; border-bottom: 1px solid rgba(250,248,245,0.12); }
  .stats__item:nth-last-child(-n+2) { border-bottom: none; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
}
@media (max-width: 768px) {
  .container { padding: 0 1.2rem; }
  .nav__links {
    display: none;
    position: fixed; inset: 0;
    background: rgba(250, 248, 245, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center; justify-content: center;
    gap: 2rem; z-index: 99;
  }
  .nav__links.open { display: flex; }
  .nav__link { font-size: 1.1rem; color: var(--text); }
  .nav__hamburger { display: flex; }
  .hero { padding-bottom: 4.5rem; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .hero__scroll-cue { display: none; }
  .regions__grid { grid-template-columns: repeat(2, 1fr); }
  .steps__grid { grid-template-columns: 1fr; }
  .footer__top { flex-direction: column; gap: 1.8rem; }
  .footer__legal { flex-direction: column; align-items: flex-start; }
  .cta-band__actions { flex-direction: column; align-items: center; }
}
@media (max-width: 480px) {
  h2 { font-size: 1.8rem; }
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .regions__grid { grid-template-columns: 1fr; }
  .section { padding: 4rem 0; }
  .differentiator { padding: 5rem 0; }
}

[data-aos] { pointer-events: none; }
[data-aos].aos-animate { pointer-events: auto; }