/* ARNELI — Private Real Estate Advisory
   Structural/typographic system modeled precisely on arionvp.com:
   gradient-tinted neutral field, tracked serif wordmark, large serif
   headline, single-viewport hero+footer home composition. No photography —
   palette stays warm-neutral (white / warm white / charcoal / black / warm gray). */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500&family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Frank+Ruhl+Libre:wght@400;500;600&family=Inter:wght@400;500&family=Heebo:wght@300;400;500;600&display=swap');

:root {
  --white:      #FFFFFF;
  --warm-white: #F7F4EF;
  --charcoal:   #201F1D;
  --black:      #121110;
  --warm-gray:  #8A8477;
  --line:       #E3DFD5;

  --serif: 'Fraunces', 'Frank Ruhl Libre', 'Times New Roman', serif;
  --sans:  'Inter', 'Heebo', -apple-system, sans-serif;
  --logo-font: 'Cinzel', 'Frank Ruhl Libre', serif;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

html, body { height: 100%; }

body {
  font-family: var(--sans);
  background-color: var(--warm-white);
  color: var(--charcoal);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

/* ───────────────────── ambient background (global) ───────────────────── */

.ambient-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(50% 55% at 6% -4%, rgba(210, 220, 230, 0.35) 0%, rgba(210, 220, 230, 0.12) 45%, transparent 72%),
    radial-gradient(115% 85% at 88% -8%, #ECE4D2 0%, #F2EEE3 38%, transparent 68%);
}

/* ───────────────────── layout helpers ───────────────────── */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-inline: 24px;
}

@media (min-width: 1024px) {
  .container { padding-inline: 40px; }
}

/* ───────────────────── header ───────────────────── */

.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  height: 80px;
  display: flex;
  align-items: center;
  background: transparent;
  transition: background .4s var(--ease);
}

.site-header.is-scrolled {
  background-color: rgba(247, 245, 240, 0.55);
  background-image:
    radial-gradient(50% 55% at 6% -4%, rgba(210, 220, 230, 0.4) 0%, rgba(210, 220, 230, 0.16) 45%, transparent 72%),
    radial-gradient(115% 85% at 88% -8%, rgba(236, 228, 210, 0.55) 0%, rgba(242, 238, 227, 0.45) 38%, transparent 68%);
  background-attachment: fixed, fixed;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo .logo-name {
  font-family: var(--logo-font);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--charcoal);
}

.logo .logo-desc {
  display: block;
  font-family: var(--sans);
  font-size: 0.5rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--warm-gray);
  margin-top: 6px;
}

nav.primary-nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: inherit;
  position: relative;
  padding-bottom: 4px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  bottom: 0;
  height: 1px;
  width: 0;
  background: currentColor;
  transition: width .4s var(--ease);
}

.nav-links a:hover::after,
.nav-links a.is-active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
  color: var(--charcoal);
}

.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  height: 1px;
  background: currentColor;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}

.menu-toggle span { top: 50%; }
.menu-toggle span::before { top: -8px; }
.menu-toggle span::after { top: 8px; }

@media (max-width: 860px) {
  .primary-nav .nav-links { display: none; }
  .menu-toggle { display: block; }
}

/* mobile overlay menu */

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--warm-white);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  transform: translateY(-100%);
  transition: transform .5s var(--ease);
}

.mobile-menu.is-open { transform: translateY(0); }

.mobile-menu a {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ───────────────────── hero (home) ───────────────────── */

main.hero-main,
main.page-main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.hero {
  flex: 1;
  display: flex;
  align-items: flex-end;
}

.hero-content {
  width: 100%;
  padding-block: 0 72px;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--warm-gray);
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  letter-spacing: -0.02em;
  line-height: 1.06;
  max-width: 18ch;
  color: var(--charcoal);
}

.hero p.sub {
  margin-top: 32px;
  font-size: 1rem;
  font-weight: 400;
  color: var(--warm-gray);
  max-width: 40ch;
  line-height: 1.5;
}

.hero-btn {
  margin-top: 40px;
}

@media (max-width: 768px) {
  main.hero-main,
  .hero {
    flex: none;
  }

  .hero {
    align-items: flex-start;
    padding-top: 112px;
    padding-bottom: 48px;
  }

  .hero-content {
    padding-block: 0;
  }
}

/* ───────────────────── generic sections (interior pages) ───────────────────── */

section { padding-block: clamp(60px, 10vw, 140px); }

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .fade-in { opacity: 1; transform: none; transition: none; }
}

/* ───────────────────── page hero (interior pages) ───────────────────── */

.page-hero {
  padding-block: 150px 40px;
}

.page-hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.015em;
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  color: var(--charcoal);
}

.page-hero .page-sub {
  margin-top: 20px;
  font-size: 1rem;
  font-weight: 400;
  color: var(--warm-gray);
  max-width: 46ch;
  line-height: 1.5;
}

.page-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--warm-gray);
  margin-bottom: 24px;
}

/* ───────────────────── principals ───────────────────── */

.principles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding-bottom: 40px;
}

.principle {
  padding: 64px 0;
  border-top: 1px solid var(--line);
}

.principle:nth-child(odd) { padding-inline-end: 40px; }
.principle:nth-child(even) { padding-inline-start: 40px; }

@media (min-width: 861px) {
  .principle:nth-child(even) { border-inline-start: 1px solid var(--line); }
}

.principle-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.principle-number {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--warm-gray);
}

.principle-divider {
  font-size: 0.75rem;
  color: var(--line);
}

.principle-category {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--warm-gray);
}

.principle h3 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 20ch;
  color: var(--charcoal);
}

.principle p {
  color: var(--warm-gray);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  max-width: 38ch;
}

@media (max-width: 860px) {
  .principles { grid-template-columns: 1fr; }
  .principle:nth-child(odd),
  .principle:nth-child(even) {
    padding-inline: 0;
    border-inline-start: none;
  }
}

/* ───────────────────── contact ───────────────────── */

.contact-section { padding-block: 20px clamp(60px, 10vw, 140px); }

.form-footnote {
  margin-top: 40px;
  font-size: 0.9rem;
  color: var(--warm-gray);
  max-width: 46ch;
  line-height: 1.5;
}

.form-footnote a {
  color: var(--charcoal);
  border-bottom: 1px solid var(--line);
  transition: border-color 0.3s var(--ease);
}

.form-footnote a:hover { border-color: var(--charcoal); }

.contact-form { max-width: 560px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 32px;
}

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
}

.form-row { margin-bottom: 40px; }

.form-row label {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--warm-gray);
  margin-bottom: 10px;
}

.form-row input,
.form-row textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  font-family: var(--sans);
  font-size: 1rem;
  padding: 8px 0;
  color: var(--charcoal);
  transition: border-color .3s var(--ease);
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-bottom-color: var(--charcoal);
}

.form-row textarea {
  resize: vertical;
  min-height: 100px;
}

.btn {
  display: inline-block;
  border: 1px solid var(--warm-gray);
  background: transparent;
  color: var(--charcoal);
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 40px;
  cursor: pointer;
  transition: background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
}

.btn:hover {
  background: var(--charcoal);
  border-color: var(--charcoal);
  color: var(--white);
}

.form-success {
  display: none;
  font-family: var(--serif);
  font-size: 1.2rem;
  margin-top: 24px;
  color: var(--charcoal);
}

.form-success.is-visible { display: block; }

/* ───────────────────── footer ───────────────────── */

.site-footer {
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  padding: 40px 0 14px;
  opacity: 0.25;
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.site-footer,
.site-footer a {
  font-size: 0.55rem;
  font-weight: 300;
  letter-spacing: 0.02em;
  text-transform: none;
  color: rgba(0, 0, 0, 0.3);
}

.site-footer a:hover { color: rgba(0, 0, 0, 0.6); }

.footer-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-divider { color: rgba(0, 0, 0, 0.15); }

@media (max-width: 860px) {
  .site-footer { display: none; }
}

.mobile-menu-legal {
  position: absolute;
  inset-inline: 0;
  bottom: 16px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  font-size: 0.55rem;
  font-weight: 300;
  letter-spacing: 0.02em;
  color: rgba(0, 0, 0, 0.3);
  opacity: 0.25;
}

.mobile-menu-legal a {
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  text-transform: none;
}

.mobile-menu-legal a:hover { color: rgba(0, 0, 0, 0.6); }

/* ───────────────────── legal pages (privacy / accessibility) ───────────────────── */

.legal-content { max-width: 68ch; }

.legal-content h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.15rem;
  margin-top: 40px;
  margin-bottom: 12px;
  color: var(--charcoal);
}

.legal-content h2:first-child { margin-top: 0; }

.legal-content p {
  color: var(--warm-gray);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.legal-content a {
  color: var(--charcoal);
  border-bottom: 1px solid var(--line);
  transition: border-color 0.3s var(--ease);
}

.legal-content a:hover { border-color: var(--charcoal); }