:root {
  --bg: #f6f3ee;
  --bg-alt: #efeae2;
  --ink: #13213a;
  --ink-soft: #2a3854;
  --muted: #6b7389;
  --line: #d9d3c7;
  --line-soft: #e6e0d3;
  --accent: #4a6d8c;
  --accent-deep: #2d4a67;
  --warm: #b8875a;
  --white: #fcfaf6;
  --serif: 'Fraunces', 'Cormorant Garamond', Georgia, serif;
  --sans: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 2px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translate(-50%, -200%);
  z-index: 300;
  background: var(--ink);
  color: var(--bg);
  padding: 12px 22px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: transform 0.2s var(--ease);
}
.skip-link:focus {
  transform: translate(-50%, 0);
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.wrap { max-width: 1280px; margin: 0 auto; padding: 0 40px; }
.wrap-narrow { max-width: 980px; margin: 0 auto; padding: 0 40px; }

.eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.section-label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}
.section-label::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--ink);
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.08;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 17px 30px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  transition: all 0.35s var(--ease);
  white-space: nowrap;
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--accent-deep); transform: translateY(-1px); }
.btn-primary .arrow { transition: transform 0.35s var(--ease); }
.btn-primary:hover .arrow { transform: translateX(4px); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
  padding: 16px 29px;
}
.btn-ghost:hover { background: var(--ink); color: var(--bg); }

.announce {
  background: var(--ink);
  color: var(--bg);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 10px 0;
  text-align: center;
  font-weight: 400;
}
.announce span { opacity: 0.8; margin: 0 10px; }

nav {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}
nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand-mark {
  width: 46px;
  height: 40px;
  display: block;
  background: url("../images/ets-logo-mark.webp") center/contain no-repeat;
  font-size: 0;
  color: transparent;
}
.brand-text { line-height: 1.1; }
.brand-name {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.brand-sub {
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 2px;
}
.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
  align-items: center;
}
.nav-links a {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.25s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); position: relative; }
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 1px;
  background: var(--ink);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-phone {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-phone-num {
  font-family: var(--serif);
  font-size: 16px;
}
.nav-btn {
  padding: 12px 22px;
  font-size: 13px;
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--radius);
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: background 0.25s;
}
.nav-btn:hover { background: var(--accent-deep); }
.mobile-toggle { display: none; }

.breadcrumb {
  padding: 24px 0;
  border-bottom: 1px solid var(--line-soft);
  background: var(--bg);
}
.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb li::after { content: '/'; margin-left: 10px; color: var(--line); }
.breadcrumb li:last-child::after { display: none; }

footer {
  background: var(--bg-alt);
  padding: 90px 0 30px;
  border-top: 1px solid var(--line);
}
.foot-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--line);
}
.foot-brand .brand-mark {
  width: 48px;
  height: 48px;
  font-size: 22px;
}
.foot-brand .brand-name { font-size: 22px; }
.foot-tag {
  margin-top: 24px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
  max-width: 320px;
}
.foot-col h5 {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 22px;
  color: var(--ink);
}
.foot-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.foot-col a {
  font-size: 14px;
  color: var(--ink-soft);
  transition: color 0.2s;
}
.foot-col a:hover { color: var(--ink); }
.foot-col a.active {
  color: var(--ink);
  font-weight: 600;
}
.foot-contact li {
  font-size: 14px;
  color: var(--ink-soft);
}
.foot-contact .label {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 3px;
}
.foot-contact .val {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--ink);
}
.foot-bottom {
  padding-top: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.foot-bottom p,
.foot-bottom a {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.foot-legal { display: flex; gap: 28px; }
.foot-legal a:hover { color: var(--ink); }

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.visible { opacity: 1; transform: none; }

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background: var(--bg);
  z-index: 300;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.5s var(--ease);
  visibility: hidden;
}
.mobile-menu.open {
  transform: translateX(0);
  visibility: visible;
}
.mobile-menu-head {
  padding: 20px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mobile-menu-close {
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  background: transparent;
  color: var(--ink);
}
.mobile-menu-body {
  flex: 1;
  padding: 32px 28px 24px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.mobile-menu-link {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ink);
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  line-height: 1.1;
}
.mobile-menu-link::after {
  content: '\2192';
  font-size: 20px;
  color: var(--muted);
  font-family: var(--sans);
  font-weight: 300;
}
.mobile-menu-link .italic {
  font-style: italic;
  font-weight: 300;
  color: var(--accent-deep);
}
.mobile-menu-services {
  padding: 8px 0 16px;
  border-bottom: 1px solid var(--line-soft);
  display: grid;
  gap: 2px;
}
.mobile-menu-services a {
  padding: 9px 0 9px 18px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.35;
  position: relative;
}
.mobile-menu-services a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 18px;
  width: 8px;
  height: 1px;
  background: var(--accent-deep);
}
.mobile-menu-services a[aria-current="page"] {
  color: var(--ink);
  font-weight: 700;
}
.mobile-menu-foot {
  padding: 20px 28px 28px;
  border-top: 1px solid var(--line);
  background: var(--bg-alt);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.mobile-menu-phone {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 48px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
}
.mobile-menu-phone svg { color: var(--accent-deep); }
.mobile-menu-text {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 48px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
}
.mobile-menu-text svg {
  color: var(--accent-deep);
  flex-shrink: 0;
}
.mobile-menu-cta {
  grid-column: 1 / -1;
  padding: 18px;
  background: var(--ink);
  color: var(--bg);
  text-align: center;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
}
.mobile-menu-meta {
  grid-column: 1 / -1;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
body.menu-open { overflow: hidden; }

.mobile-cta {
  display: none;
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 200;
  gap: 10px;
  padding: 10px;
  background: rgba(19, 33, 58, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius);
  box-shadow: 0 20px 40px -10px rgba(19, 33, 58, 0.45);
  transform: translateY(140%);
  opacity: 0;
  transition: transform 0.45s var(--ease), opacity 0.35s var(--ease);
  pointer-events: none;
}
.mobile-cta.visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-cta-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  transition: background 0.25s, color 0.25s;
  white-space: nowrap;
}
.mobile-cta-btn svg { flex-shrink: 0; }
.mobile-cta-ghost {
  border: 1px solid rgba(246, 243, 238, 0.3);
  color: var(--bg);
}
.mobile-cta-ghost:active { background: rgba(246, 243, 238, 0.1); }
.mobile-cta-primary {
  background: var(--bg);
  color: var(--ink);
  font-weight: 600;
}
.mobile-cta-primary:active {
  background: var(--warm);
  color: var(--bg);
}

@media (max-width: 1024px) {
  .wrap { padding: 0 28px; }
  .foot-top { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 680px) {
  .wrap { padding: 0 20px; }
  .announce {
    padding: 8px 20px;
    font-size: 11px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .announce .hide-mobile { display: none; }
  .nav-links,
  .nav-phone,
  .nav-btn { display: none; }
  .mobile-toggle {
    display: block;
    width: 48px;
    height: 48px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: transparent;
    color: var(--ink);
    position: relative;
    z-index: 2;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }
  .mobile-toggle svg,
  .mobile-toggle svg * {
    pointer-events: none;
  }
  .foot-top {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-bottom: 40px;
  }
  .foot-bottom { justify-content: flex-start; }
  .mobile-cta { display: flex; }
  body.has-mobile-cta { padding-bottom: 80px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero-img-main video { display: none; }
  .mobile-menu,
  .mobile-cta,
  .btn,
  .nav-btn {
    transition: none;
  }
}