@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&display=swap');

/* ============ TOKENS ============ */
:root{
  --navy: #1C4674;
  --navy-deep: #10233b;
  --sand: #B2997D;
  --sand-light: #cbb89f;
  --pearl: #EEEEEE;
  --ivory: #F0E4D3;
  --sapphire: #2F6FED;
  --white: #FFFFFF;

  --font-display: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-body: 'Times New Roman', Times, Georgia, serif;

  --container: 1160px;
  --gutter: clamp(24px, 5vw, 64px);
  --radius: 2px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--navy-deep);
  background: var(--white);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--navy);
  margin: 0 0 .5em;
  letter-spacing: .01em;
}
h1{ font-size: clamp(2.6rem, 5vw, 4.4rem); line-height: 1.05; font-weight: 600; }
h2{ font-size: clamp(2rem, 3.4vw, 2.9rem); line-height: 1.15; }
h3{ font-size: 1.5rem; line-height: 1.3; }
p{ margin: 0 0 1.1em; max-width: 62ch; }
.lede{ font-size: 1.2rem; color: #3d5a7a; }

.accent-italic{
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

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

/* ============ LAYOUT HELPERS ============ */
.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section{ padding: clamp(64px, 9vw, 128px) 0; }
.section-tight{ padding: clamp(40px, 6vw, 80px) 0; }
.bg-pearl{ background: var(--pearl); }
.bg-ivory{ background: var(--ivory); }
.bg-navy{ background: var(--navy); color: var(--pearl); }
.bg-navy h1, .bg-navy h2, .bg-navy h3{ color: var(--white); }
.bg-navy p{ color: rgba(238,238,238,.82); }

.grid{ display:grid; gap: var(--gutter); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
@media (max-width: 860px){
  .grid-2, .grid-3{ grid-template-columns: 1fr; }
}

/* framed panel — motif borrowed from the brand guidelines pages */
.framed{
  position: relative;
  border: 1px solid rgba(178,153,125,.55);
  padding: clamp(28px, 4vw, 56px);
}
.bg-navy .framed{ border-color: rgba(240,228,211,.35); }

.divider{
  width: 56px;
  height: 1px;
  background: var(--sand);
  margin: 22px 0;
}
.divider-center{ margin-left:auto; margin-right:auto; }

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 15px 34px;
  font-family: var(--font-body);
  font-size: .95rem;
  letter-spacing: .04em;
  border: 1px solid var(--navy);
  color: var(--navy);
  background: transparent;
  cursor: pointer;
  transition: background .25s ease, color .25s ease, border-color .25s ease;
}
.btn:hover{ background: var(--navy); color: var(--white); }
.btn-solid{
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-solid:hover{ background: var(--navy-deep); border-color: var(--navy-deep); }
.btn-sapphire{
  border-color: var(--sapphire);
  color: var(--sapphire);
}
.btn-sapphire:hover{ background: var(--sapphire); border-color: var(--sapphire); color:var(--white); }
.btn-ghost-light{
  border-color: rgba(255,255,255,.5);
  color: var(--white);
}
.btn-ghost-light:hover{ background: rgba(255,255,255,.1); border-color: var(--white); }

/* ============ HEADER ============ */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
.site-header.is-scrolled{
  border-bottom-color: rgba(28,70,116,.12);
  background: rgba(255,255,255,.97);
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height: 86px;
}

.oza-logo{ display:flex; flex-direction:column; align-items:center; line-height:1; }
.logo-img{ display:block; width:auto; }
.logo-img-header{ height: 46px; }
.logo-img-footer{ height: 38px; }
@media (max-width: 480px){ .logo-img-header{ height: 38px; } }
.oza-logo .wordmark{
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 600;
  letter-spacing: .04em;
  display:flex;
}
.oza-logo .wordmark span{ color: var(--sand); }
.oza-logo .wordmark .z{ color: var(--navy); }
.oza-logo .descriptor{
  margin-top: 2px;
  font-family: var(--font-body);
  font-size: .58rem;
  letter-spacing: .38em;
  color: var(--navy);
  display:flex;
  align-items:center;
  gap: 6px;
}
.oza-logo .descriptor::before, .oza-logo .descriptor::after{
  content:"";
  width: 12px; height:1px;
  background: var(--navy);
}
.bg-navy .oza-logo .descriptor,
.bg-navy .oza-logo .descriptor::before,
.bg-navy .oza-logo .descriptor::after{ color: var(--pearl); background: var(--pearl); }

.main-nav{ display:flex; align-items:center; gap: 40px; }
.main-nav a{
  font-size: .95rem;
  letter-spacing: .02em;
  color: var(--navy-deep);
  position: relative;
  padding: 4px 0;
}
.main-nav a::after{
  content:"";
  position:absolute; left:0; right:100%; bottom:-2px;
  height:1px; background: var(--sand);
  transition: right .25s ease;
}
.main-nav a:hover::after, .main-nav a.active::after{ right:0; }
.main-nav a.active{ color: var(--sand); }

.nav-toggle{
  display:none;
  background:none; border:none; cursor:pointer;
  width: 30px; height: 22px; position:relative;
}
.nav-toggle span{
  position:absolute; left:0; right:0; height:1px; background: var(--navy);
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle span:nth-child(1){ top:0; }
.nav-toggle span:nth-child(2){ top:50%; margin-top:-.5px; }
.nav-toggle span:nth-child(3){ bottom:0; }
.nav-toggle.is-open span:nth-child(1){ transform: translateY(10.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2){ opacity:0; }
.nav-toggle.is-open span:nth-child(3){ transform: translateY(-10.5px) rotate(-45deg); }

@media (max-width: 860px){
  .main-nav{
    position:fixed; top:86px; left:0; right:0; bottom:0;
    background: var(--white);
    flex-direction:column; justify-content:flex-start;
    padding: 40px var(--gutter);
    gap: 26px;
    transform: translateX(100%);
    transition: transform .3s ease;
  }
  .main-nav.is-open{ transform: translateX(0); }
  .main-nav a{ font-size: 1.3rem; }
  .nav-toggle{ display:block; }
}

/* ============ HERO ============ */
.hero{
  position: relative;
  min-height: 100vh;
  display:flex;
  align-items:center;
  color: var(--white);
  overflow:hidden;
  background:
    radial-gradient(ellipse at 15% 15%, rgba(178,153,125,.35), transparent 55%),
    radial-gradient(ellipse at 85% 30%, rgba(47,111,237,.25), transparent 50%),
    linear-gradient(160deg, #142d4d 0%, #1C4674 46%, #2a5588 78%, #3c6ba3 100%);
}
.hero::after{
  content:"";
  position:absolute; inset:0;
  background-image: radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 3px 3px;
  opacity:.5;
  pointer-events:none;
}
.hero .container{ position:relative; z-index:2; padding-top: 120px; padding-bottom: 80px; }
.hero-tag{
  display:inline-flex; align-items:center; gap:10px;
  font-size:.8rem; letter-spacing:.14em;
  color: var(--ivory);
  border: 1px solid rgba(240,228,211,.4);
  padding: 8px 18px;
  margin-bottom: 34px;
}
.hero-tag .dot{ width:6px; height:6px; border-radius:50%; background: var(--sand); }
.hero h1{ color:var(--white); max-width: 14ch; margin-bottom: .3em; }
.hero .lede{ color: rgba(238,238,238,.85); max-width: 46ch; margin-bottom: 40px; }
.hero-cta{ display:flex; gap:18px; flex-wrap:wrap; }
.hero-pillars{
  margin-top: 90px;
  display:flex;
  gap: clamp(20px, 5vw, 70px);
  flex-wrap: wrap;
}
.hero-pillar .letter{
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--sand);
  line-height: 1;
}
.hero-pillar .word{
  font-size: .78rem;
  letter-spacing: .2em;
  color: var(--white);
  margin-top: 6px;
}

/* ============ PILLARS / VALUES ============ */
.pillars-grid{
  display:grid;
  grid-template-columns: repeat(3,1fr);
  gap: var(--gutter);
}
@media (max-width: 860px){ .pillars-grid{ grid-template-columns:1fr; } }
.pillar-card{ border-top: 1px solid rgba(178,153,125,.5); padding-top: 26px; }
.pillar-card .letter{
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--sand);
  display:block;
  margin-bottom: 10px;
}
.pillar-card h3{ letter-spacing: .06em; font-size: 1.1rem; text-transform: uppercase; margin-bottom: 12px;}

/* ============ SERVICE CARDS ============ */
.service-row{
  display:grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: clamp(24px,5vw,64px);
  align-items:start;
  padding: 48px 0;
  border-bottom: 1px solid rgba(28,70,116,.12);
}
.service-row:first-child{ padding-top:0; }
.service-row:last-child{ border-bottom:none; }
.service-num{
  font-family: var(--font-display);
  font-style: italic;
  color: var(--sand);
  font-size: 1.3rem;
}
.service-row h3{ margin-top:6px; }
.service-benefits{ list-style:none; padding:0; margin: 18px 0 0; columns: 2; column-gap: 32px;}
.service-benefits li{
  padding-left: 18px;
  position:relative;
  margin-bottom: 10px;
  font-size: .95rem;
  color: #3d5a7a;
  break-inside: avoid;
}
.service-benefits li::before{
  content:"";
  position:absolute; left:0; top: 10px;
  width: 8px; height:1px; background: var(--sand);
}
@media (max-width: 860px){
  .service-row{ grid-template-columns: 1fr; }
  .service-benefits{ columns:1; }
}

/* ============ STATS ============ */
.stats-grid{
  display:grid;
  grid-template-columns: repeat(4,1fr);
  gap: 1px;
  background: rgba(240,228,211,.25);
  border: 1px solid rgba(240,228,211,.25);
}
.stat-cell{
  background: var(--navy);
  padding: 36px 24px;
  text-align:center;
}
.stat-cell .num{
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--sand-light);
  display:block;
}
.stat-cell .label{ font-size: .85rem; color: rgba(238,238,238,.8); margin-top:6px; }
@media (max-width: 760px){ .stats-grid{ grid-template-columns: repeat(2,1fr);} }

/* ============ REALISATION CATEGORY CARDS ============ */
.cat-card{
  aspect-ratio: 4/3;
  position:relative;
  display:flex;
  align-items:flex-end;
  padding: 30px;
  color: var(--white);
  overflow:hidden;
  isolation: isolate;
}
.cat-card::before{
  content:"";
  position:absolute; inset:0;
  z-index:-1;
}
.cat-card h3{ color:var(--white); margin-bottom:0; }
.cat-card .tag{ font-size:.8rem; letter-spacing:.14em; color: var(--ivory); margin-bottom:8px; display:block;}
.cat-1::before{ background: linear-gradient(150deg, #1C4674, #2F6FED); }
.cat-2::before{ background: linear-gradient(150deg, #10233b, #B2997D); }
.cat-3::before{ background: linear-gradient(150deg, #2a5588, #10233b); }

/* ============ TESTIMONIAL / QUOTE ============ */
.quote-block{ max-width: 780px; margin: 0 auto; text-align:center; }
.quote-block p{
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  color: var(--navy);
  max-width: none;
  line-height: 1.4;
}
.quote-attrib{ font-size:.9rem; letter-spacing:.08em; color: var(--sand); margin-top: 20px; }

/* ============ CONTACT ============ */
.contact-grid{
  display:grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--gutter);
}
@media (max-width: 860px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-info-item{ display:flex; gap:16px; margin-bottom: 28px; }
.contact-info-item .ico{
  width: 40px; height:40px; flex-shrink:0;
  border: 1px solid var(--sand);
  display:flex; align-items:center; justify-content:center;
  color: var(--sand);
}
.contact-info-item h4{ margin: 0 0 4px; font-family: var(--font-body); font-weight:bold; font-size:1rem; color:var(--navy);}
.contact-info-item p{ margin:0; }
.contact-info-item a:hover{ color: var(--sapphire); }

.social-row{ display:flex; gap:14px; margin-top: 30px; }
.social-row a{
  width: 42px; height:42px;
  border: 1px solid var(--navy);
  display:flex; align-items:center; justify-content:center;
  transition: background .25s, color .25s;
}
.social-row a:hover{ background: var(--navy); color:var(--white); }
.social-row svg{ width:18px; height:18px; }

.form-field{ margin-bottom: 22px; }
.form-field label{ display:block; font-size:.85rem; letter-spacing:.04em; margin-bottom:8px; color: var(--navy); }
.form-field input, .form-field textarea, .form-field select{
  width:100%;
  border: none;
  border-bottom: 1px solid rgba(28,70,116,.3);
  background: transparent;
  padding: 10px 2px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--navy-deep);
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus{
  outline:none;
  border-bottom-color: var(--sapphire);
}
.form-field textarea{ resize: vertical; min-height: 120px; }
.form-note{ font-size:.85rem; color:#7a8ba1; margin-top: 6px; }

/* ============ CTA BAND ============ */
.cta-band{
  text-align:center;
}
.cta-band h2{ max-width: 18ch; margin-left:auto; margin-right:auto; }

/* ============ FOOTER ============ */
.site-footer{ background: var(--navy-deep); color: rgba(238,238,238,.75); padding: 72px 0 28px; }
.footer-grid{ display:grid; grid-template-columns: 1.3fr 1fr 1fr; gap: var(--gutter); margin-bottom: 56px; }
@media (max-width: 760px){ .footer-grid{ grid-template-columns: 1fr; gap: 40px; } }
.footer-grid h4{ color: var(--white); font-family: var(--font-body); font-weight:bold; font-size: .95rem; letter-spacing:.05em; margin-bottom: 20px; }
.footer-grid nav{ display:flex; flex-direction:column; gap:12px; }
.footer-grid a:hover{ color: var(--sand-light); }
.footer-bottom{
  border-top: 1px solid rgba(238,238,238,.12);
  padding-top: 24px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:14px;
  font-size: .82rem;
}

/* ============ UTILITIES ============ */
.eyebrow-plain{ color: var(--sand); font-size: .95rem; margin-bottom: 10px; display:block; }
.text-center{ text-align:center; }
.mx-auto{ margin-left:auto; margin-right:auto; }
.mt-0{ margin-top:0; }
.max-w-content{ max-width: 640px; }