:root {
  --navy: #222c6b;
  --navy-dark: #161d4a;
  --navy-mid: #2e3a93;
  --gold: #c9962c;
  --gold-dark: #a87b1f;
  --ice: #d7dbf0;
  --text: #1f2433;
  --muted: #5a6175;
  --border: #e3e5ee;
  --bg: #ffffff;
  --bg-alt: #f6f7fb;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(22, 29, 74, .05), 0 10px 28px rgba(22, 29, 74, .08);
  --serif: "Source Serif 4", Cambria, Georgia, serif;
  --max: 1160px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  font-family: "Inter", Calibri, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--navy-mid); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.2; color: var(--navy-dark); margin: 0 0 .5em; }
h1, h2 { font-family: var(--serif); font-weight: 700; }
h1 { font-size: clamp(2rem, 4.4vw, 3.1rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

.skip-link { position: absolute; left: -999px; top: 8px; background: var(--navy); color: #fff; padding: 8px 14px; border-radius: 6px; z-index: 100; }
.skip-link:focus { left: 8px; }

:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 600;
  font-size: .95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
  font-family: inherit;
}
.btn:hover { text-decoration: none; }
.btn-sm { padding: 8px 18px; }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-mid); }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: var(--gold-dark); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .5); }
.btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, .08); }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .78rem;
  font-weight: 700;
  color: var(--gold-dark);
  margin-bottom: .75em;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.site-header.scrolled { border-color: var(--border); box-shadow: 0 2px 12px rgba(22, 29, 74, .06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 12px; color: var(--navy-dark); }
.logo:hover { text-decoration: none; }
.logo img { border-radius: 50%; flex-shrink: 0; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong { font-family: var(--serif); font-size: 1.08rem; }
.logo-text small { font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gold-dark); font-weight: 600; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a:not(.btn) { color: var(--text); font-weight: 500; font-size: .95rem; }
.site-nav a:not(.btn):hover { color: var(--gold-dark); text-decoration: none; }

.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--navy-dark); margin: 5px 0; transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  background:
    radial-gradient(ellipse at 85% 20%, rgba(201, 150, 44, .18), transparent 55%),
    linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, var(--navy-mid) 100%);
  color: #fff;
  padding: 96px 0 88px;
}
.hero h1 { color: #fff; }
.hero .eyebrow { color: var(--gold); }
.hero-inner { display: grid; grid-template-columns: 1.25fr .75fr; gap: 64px; align-items: center; }
.lead { font-size: 1.15rem; color: var(--ice); max-width: 580px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }

.hero-list {
  list-style: none;
  margin: 0;
  padding: 28px 32px;
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 12px;
  background: rgba(255, 255, 255, .05);
}
.hero-list li { padding: 10px 0 10px 26px; position: relative; border-bottom: 1px solid rgba(255, 255, 255, .1); font-weight: 500; }
.hero-list li:last-child { border-bottom: 0; }
.hero-list li::before { content: ""; position: absolute; left: 0; top: 50%; width: 8px; height: 8px; margin-top: -4px; background: var(--gold); transform: rotate(45deg); }

/* Sections */
.section { padding: 92px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-head p:last-child:not(.eyebrow) { color: var(--muted); }

.split { display: grid; grid-template-columns: 1.2fr .8fr; gap: 64px; align-items: start; }
.split > div > p { color: var(--muted); }

.about-text { max-width: 820px; margin: 0 auto; text-align: center; }
.about-text > p:not(.eyebrow) { color: var(--muted); font-size: 1.05rem; }

.map-embed { margin-top: 56px; border-radius: 14px; overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow); line-height: 0; }
.map-embed iframe { width: 100%; height: 380px; border: 0; }

/* Services */
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; align-items: start; }
.service {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: box-shadow .2s, border-color .2s;
}
.service:hover, .service[open] { box-shadow: var(--shadow); border-color: #cfd3e4; }
.service summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 22px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--navy-dark);
  font-size: 1.05rem;
}
.service summary::-webkit-details-marker { display: none; }
.service summary::after {
  content: "";
  margin-left: auto;
  flex-shrink: 0;
  width: 10px; height: 10px;
  border-right: 2px solid var(--gold-dark);
  border-bottom: 2px solid var(--gold-dark);
  transform: rotate(45deg) translateY(-3px);
  transition: transform .2s;
}
.service[open] summary::after { transform: rotate(-135deg) translateY(-3px); }
.svc-icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--navy);
}
.svc-icon svg { width: 22px; height: 22px; fill: none; stroke: var(--gold); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.svc-body { padding: 0 22px 22px 82px; color: var(--muted); font-size: .95rem; }
.svc-body h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--gold-dark); margin: 16px 0 6px; }
.svc-body h4:first-child { margin-top: 0; }
.svc-body ul { margin: 0; padding-left: 18px; }
.svc-body li { margin: 4px 0; }
.svc-body li::marker { color: var(--gold); }
.svc-body .defs { list-style: none; padding: 0; }
.svc-body .defs li { margin: 0 0 12px; }
.svc-body .defs strong { display: block; color: var(--navy-dark); }

/* Partners */
.partner { display: grid; grid-template-columns: 180px 1fr; gap: 32px; align-items: start; }
.partner img { width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; object-position: top; border-radius: 50%; border: 4px solid #fff; box-shadow: 0 0 0 2px var(--gold), var(--shadow); }
.partner > div > p { color: var(--muted); }
.partner .role { color: var(--gold-dark); font-weight: 600; font-size: .9rem; margin-top: -.3em; }
.partner-lead { grid-template-columns: 240px 1fr; gap: 48px; }
.partner-lead h3 { font-family: var(--serif); font-size: 1.6rem; }
.partner-contact { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 20px; font-weight: 500; font-size: .95rem; }

/* Why us */
.section-navy { background: var(--navy-dark); color: var(--ice); }
.section-navy h2, .section-navy h3 { color: #fff; }
.section-navy .eyebrow { color: var(--gold); }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.why { border-top: 2px solid var(--gold); padding-top: 20px; }
.why p { margin: 0; font-size: .95rem; }
.why-num { display: block; font-family: var(--serif); font-size: 1.6rem; color: var(--gold); margin-bottom: 6px; }
.audit-block { margin-top: 64px; padding: 36px 40px; border-radius: 12px; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .12); }
.audit-block h3 { font-family: var(--serif); font-size: 1.4rem; margin-bottom: 24px; }
.audit-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.audit-grid strong { color: #fff; display: block; margin-bottom: 4px; }
.audit-grid p { margin: 0; font-size: .92rem; }

/* Contact */
.contact-list { list-style: none; padding: 0; margin: 28px 0 20px; display: grid; gap: 16px; }
.contact-list li { display: flex; gap: 16px; }
.contact-list span { width: 80px; flex-shrink: 0; font-weight: 600; color: var(--navy-dark); }
.contact-list address { font-style: normal; }
.map-link { font-weight: 600; }

.contact-form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 32px;
  display: grid;
  gap: 18px;
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { display: grid; gap: 6px; font-weight: 600; font-size: .9rem; color: var(--navy-dark); }
.contact-form input, .contact-form textarea, .contact-form select {
  font: inherit;
  font-weight: 400;
  color: var(--text);
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
}
.contact-form textarea { resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { outline: none; border-color: var(--navy-mid); box-shadow: 0 0 0 3px rgba(46, 58, 147, .15); }
.contact-form .invalid { border-color: #c9372c; }
.contact-form .hp-field { position: absolute; left: -9999px; }
.contact-form button { justify-self: start; }
.form-status { margin: 0; font-size: .9rem; min-height: 1.4em; }
.form-status.error { color: #c9372c; }
.form-status.ok { color: #1b7a47; }

/* ICSI notice */
.notice-bar { background: var(--navy-dark); color: var(--ice); font-size: .8rem; text-align: center; }
.notice-bar p { margin: 0; padding: 8px 24px; }
.notice-bar a { color: var(--gold); font-weight: 600; white-space: nowrap; }

/* Footer */
.site-footer { background: #10153a; color: #aab1d6; padding: 64px 0 0; font-size: .9rem; }
.site-footer a { color: #aab1d6; }
.site-footer a:hover { color: #fff; }
.site-footer h2 { font-family: inherit; font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; color: var(--gold); margin: 0 0 16px; }
.site-footer address { font-style: normal; margin-bottom: 12px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-grid nav { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.footer-about { margin: 18px 0 0; max-width: 380px; }
.footer-social { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .2); }
.footer-social svg { width: 16px; height: 16px; fill: currentColor; }
.footer-bottom { display: flex; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; padding-top: 20px; padding-bottom: 20px; padding-right: 88px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: .82rem; }
.footer-bottom p { margin: 0; }
.logo-footer, .logo-footer:hover { color: #fff; }
.logo-footer .logo-text small { color: var(--gold); }

/* WhatsApp button */
.whatsapp {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 40;
  width: 54px; height: 54px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: #25d366;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .2);
  transition: transform .15s;
}
.whatsapp:hover { transform: scale(1.06); }
.whatsapp svg { width: 28px; height: 28px; fill: #fff; }

/* Disclaimer page */
.page-head { background: linear-gradient(135deg, var(--navy-dark), var(--navy)); color: #fff; padding: 64px 0 56px; }
.page-head h1 { color: #fff; margin: 0; }
.prose { max-width: 780px; }
.prose p { color: var(--muted); }
.prose h2 { font-size: 1.3rem; margin-top: 1.6em; }

/* Responsive */
@media (max-width: 1020px) {
  .site-nav { gap: 20px; }
  .why-grid, .audit-grid { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 960px) {
  .hero-inner, .split { grid-template-columns: 1fr; gap: 40px; }
  .service-grid { grid-template-columns: 1fr; }
  .partner-lead { grid-template-columns: 180px 1fr; gap: 32px; }
}

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 8px 16px 16px;
    display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a:not(.btn) { padding: 12px 0; border-bottom: 1px solid var(--border); }
  .site-nav .btn { margin-top: 12px; text-align: center; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .logo-text strong { font-size: .95rem; }
  .logo img { width: 38px; height: 38px; }
  .hero { padding: 64px 0 56px; }
  .hero-list { padding: 20px 24px; }
  .section { padding: 64px 0; }
  .partner, .partner-lead { grid-template-columns: 1fr; gap: 20px; }
  .partner img { max-width: 160px; }
  .svc-body { padding-left: 22px; }
  .why-grid, .audit-grid, .field-row { grid-template-columns: 1fr; }
  .audit-block { padding: 28px 24px; }
  .contact-form { padding: 24px; }
  .map-embed { margin-top: 40px; }
  .map-embed iframe { height: 300px; }
  .contact-list li { flex-direction: column; gap: 2px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .notice-bar p { padding: 8px 16px; }
  .whatsapp { right: 16px; bottom: 16px; width: 50px; height: 50px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}