/* ===================================================================
   Lanthem Private Management — Stylesheet
   =================================================================== */

/* ----- Reset & Base ----- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.7;
  color: #111;
  background: #fff;
}

::selection {
  background: rgba(197, 164, 109, 0.2);
  color: #111;
}

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

/* ----- Layout ----- */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ----- Navigation ----- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0);
  transition: background 0.5s ease, box-shadow 0.5s ease;
}

.site-nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: padding 0.4s ease;
}

.site-nav.scrolled .nav-inner {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.nav-wordmark {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #111;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links a {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #666;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #111;
}

.nav-links .nav-contact {
  color: #111;
  border: 1px solid #ddd;
  padding: 0.5rem 1.25rem;
  transition: all 0.3s ease;
}

.nav-links .nav-contact:hover {
  border-color: #111;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 0.5rem;
  background: none;
  border: none;
  z-index: 101;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: #111;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.active span:first-child {
  transform: rotate(45deg) translate(2.5px, 4px);
}

.hamburger.active span:last-child {
  transform: rotate(-45deg) translate(2.5px, -4px);
}

/* Mobile Nav */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.mobile-nav-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-overlay nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.mobile-nav-overlay a {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2rem;
  font-weight: 400;
  color: #111;
  padding: 0.75rem 0;
  transition: color 0.3s ease;
}

.mobile-nav-overlay a:hover {
  color: #C5A46D;
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
}

/* ----- Hero ----- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 6rem;
}

.hero-content {
  max-width: 600px;
}

.hero-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: #111;
  margin-bottom: 1.75rem;
}

.hero-subtitle {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.9;
  color: #666;
  margin-bottom: 2.5rem;
}

.hero-rule {
  width: 3rem;
  height: 1px;
  background: #C5A46D;
  margin-bottom: 2.5rem;
}

.hero-supporting {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #444;
  max-width: 520px;
  margin-bottom: 3rem;
}

.hero-cta {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #111;
  border: 1px solid #111;
  padding: 0.9rem 2.5rem;
  transition: all 0.35s ease;
}

.hero-cta:hover {
  background: #111;
  color: #fff;
}

/* ----- Sections ----- */
.section {
  padding: 5rem 0;
}

.section-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #C5A46D;
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 2rem;
  height: 1px;
  background: #C5A46D;
}

.section-body p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #333;
  margin-bottom: 1.5rem;
}

.section-body p:last-child {
  margin-bottom: 0;
}

.section-divider {
  height: 1px;
  background: #eee;
}

/* ----- Services List ----- */
.services-list {
  list-style: none;
}

.services-list li {
  font-size: 1.05rem;
  line-height: 1.6;
  color: #333;
  padding: 1rem 0;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.services-list li:first-child {
  padding-top: 0;
}

.services-list li:last-child {
  border-bottom: none;
}

.services-list li::before {
  content: '';
  display: block;
  width: 6px;
  height: 1px;
  background: #C5A46D;
  flex-shrink: 0;
}

/* ----- Why List ----- */
.why-list {
  list-style: none;
  display: grid;
  gap: 0;
}

.why-list li {
  font-size: 1.05rem;
  line-height: 1.6;
  color: #333;
  padding: 1rem 0;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.why-list li:first-child {
  padding-top: 0;
}

.why-list li:last-child {
  border-bottom: none;
}

.why-list li::before {
  content: '';
  display: block;
  width: 6px;
  height: 1px;
  background: #C5A46D;
  flex-shrink: 0;
}

/* ----- Contact ----- */
.section-contact {
  padding-bottom: 6rem;
}

.contact-name {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.35rem;
  font-weight: 400;
  color: #111;
  margin-bottom: 0.25rem;
}

.contact-firm {
  font-size: 0.95rem;
  color: #666;
  margin-bottom: 2rem;
}

.contact-details a {
  font-size: 0.95rem;
  color: #333;
  border-bottom: 1px solid #ddd;
  padding-bottom: 1px;
  transition: border-color 0.3s ease;
}

.contact-details a:hover {
  border-color: #C5A46D;
}

/* ----- Footer ----- */
.site-footer {
  border-top: 1px solid #eee;
  padding: 2.5rem 0;
}

.footer-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 2rem;
}

.site-footer p {
  font-size: 0.75rem;
  color: #999;
  letter-spacing: 0.02em;
}

/* ----- Scroll Reveal ----- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

[data-reveal] {
  opacity: 0;
}

[data-reveal].revealed {
  animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

[data-reveal-delay="1"].revealed { animation-delay: 150ms; }
[data-reveal-delay="2"].revealed { animation-delay: 300ms; }
[data-reveal-delay="3"].revealed { animation-delay: 450ms; }

/* ----- Scrollbar ----- */
::-webkit-scrollbar {
  width: 5px;
}

::-webkit-scrollbar-track {
  background: #fff;
}

::-webkit-scrollbar-thumb {
  background: #ddd;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #C5A46D;
}

/* ----- Responsive ----- */
@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }

  .hero {
    min-height: auto;
    padding: 7rem 0 4rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .section {
    padding: 3.5rem 0;
  }

  .nav-inner {
    padding: 1.25rem 1.5rem;
  }
}

/* ----- Print ----- */
@media print {
  .site-nav, .hamburger, .mobile-nav-overlay { display: none; }
  .hero { min-height: auto; padding: 2rem 0; }
  .section { padding: 2rem 0; }
  body { font-size: 11pt; }
}