:root {
  --navy: #08365a;
  --navy-soft: #0d4a73;
  --ink: #103c5c;
  --lime: #18b6df;
  --lime-dark: #1974a4;
  --paper: #f2f8fb;
  --white: #fff;
  --muted: #66717b;
  --line: rgba(13, 41, 65, .14);
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header {
  height: 86px;
  padding: 0 clamp(24px, 5vw, 72px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: absolute;
  z-index: 20;
  width: 100%;
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.14);
}
.site-header.scrolled {
  position: fixed;
  height: 72px;
  background: rgba(7, 26, 45, .94);
  backdrop-filter: blur(14px);
  animation: header-in .35s ease both;
}
@keyframes header-in { from { transform: translateY(-100%); } }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.logo-brand {
  background: #fff;
  border-radius: 5px;
  padding: 4px 9px 4px 5px;
  box-shadow: 0 8px 24px rgba(2, 26, 47, .16);
}
.logo-brand img {
  display: block;
  width: 150px;
  height: 58px;
  object-fit: contain;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  background: var(--lime);
  color: var(--navy);
  border-radius: 3px;
}
.brand-mark svg { width: 28px; fill: currentColor; }
.brand-copy { display: flex; flex-direction: column; line-height: 1; }
.brand-copy strong { font-size: 24px; letter-spacing: -.03em; }
.brand-copy small { margin-top: 5px; font-size: 9px; letter-spacing: .16em; text-transform: uppercase; opacity: .72; }
nav { display: flex; align-items: center; gap: clamp(22px, 3vw, 44px); font-size: 13px; font-weight: 600; }
nav a:not(.nav-cta) { opacity: .78; transition: opacity .2s; }
nav a:hover { opacity: 1; }
.nav-cta { padding: 13px 20px; border: 1px solid rgba(255,255,255,.5); border-radius: 2px; }
.menu-toggle { display: none; background: none; border: 0; color: #fff; }

.hero {
  min-height: 760px;
  height: min(900px, 100vh);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  color: var(--white);
  background: var(--navy);
}
.hero-backdrop {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(7,26,45,.96) 0%, rgba(7,26,45,.78) 34%, rgba(7,26,45,.05) 75%),
    linear-gradient(0deg, rgba(7,26,45,.6), transparent 45%),
    url("assets/ieg-hero-blue.png");
  background-size: cover;
  background-position: center;
  transform: scale(1.015);
  animation: hero-zoom 14s ease-out both;
}
@keyframes hero-zoom { from { transform: scale(1.08); } }
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .06;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.3) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.3) 1px, transparent 1px);
  background-size: 90px 90px;
  mask-image: linear-gradient(90deg, #000, transparent 75%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 790px;
  padding: 100px clamp(24px, 8vw, 140px) 20px;
}
.eyebrow { display: flex; align-items: center; gap: 12px; text-transform: uppercase; letter-spacing: .19em; font-size: 11px; font-weight: 700; color: var(--lime); }
.eyebrow span { width: 32px; height: 1px; background: currentColor; }
h1, h2 { font-weight: 300; letter-spacing: -.055em; line-height: .98; margin: 0; }
h1 { font-size: clamp(62px, 8vw, 116px); }
h1 em, h2 em { font-family: Georgia, serif; font-weight: 400; color: var(--lime); }
.hero-lead { max-width: 600px; margin: 34px 0; color: rgba(255,255,255,.74); font-size: clamp(16px, 1.5vw, 20px); line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 38px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 26px; min-height: 55px; padding: 0 24px; border: 0; border-radius: 2px; font-weight: 750; font-size: 13px; cursor: pointer; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--lime); color: var(--navy); }
.button-primary:hover { background: #48c9e9; }
.text-link { font-size: 13px; font-weight: 700; border-bottom: 1px solid rgba(255,255,255,.35); padding: 12px 0; }
.text-link span { color: var(--lime); margin-left: 12px; }
.scroll-cue { position: absolute; z-index: 2; bottom: 0; right: clamp(24px, 5vw, 72px); display: flex; flex-direction: column; align-items: center; gap: 12px; text-transform: uppercase; letter-spacing: .18em; font-size: 9px; }
.scroll-cue i { width: 1px; height: 68px; background: linear-gradient(var(--lime), transparent); }
.hero-index { position: absolute; z-index: 2; right: clamp(24px, 5vw, 72px); top: 46%; display: flex; align-items: center; gap: 12px; transform: rotate(90deg); transform-origin: right; font-size: 9px; letter-spacing: .1em; }
.hero-index div { width: 80px; height: 1px; background: rgba(255,255,255,.3); }
.hero-index i { display: block; width: 34%; height: 1px; background: var(--lime); }

.section { padding: 130px max(24px, calc((100vw - var(--max)) / 2)); }
.section-kicker { font-size: 10px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; color: var(--lime-dark); }
.section-kicker.light { color: var(--lime); }
.intro { display: grid; grid-template-columns: .65fr 1.9fr .85fr; gap: 60px; align-items: start; }
.intro h2, .section-heading h2, .method h2, .contact h2 { font-size: clamp(46px, 5.6vw, 78px); }
.intro h2 em, .method h2 em { color: var(--lime-dark); }
.overline { color: var(--muted); text-transform: uppercase; font-size: 10px; font-weight: 800; letter-spacing: .18em; }
.intro-copy > p:last-child { max-width: 680px; margin: 34px 0 0; color: var(--muted); font-size: 18px; line-height: 1.75; }
.intro-card { background: var(--white); padding: 32px; border-top: 3px solid var(--lime); min-height: 260px; display: flex; flex-direction: column; }
.card-number { color: var(--lime-dark); font-weight: 850; font-size: 12px; letter-spacing: .08em; }
.intro-card p { line-height: 1.6; font-size: 18px; margin: 35px 0 auto; }
.intro-card a { font-size: 12px; font-weight: 800; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; }

.solutions { background: linear-gradient(145deg, #073454, #0a466e); color: var(--white); }
.section-heading { display: grid; grid-template-columns: 1.35fr .65fr; gap: 80px; align-items: end; }
.section-heading > p { color: rgba(255,255,255,.6); line-height: 1.8; font-size: 16px; }
.section-heading h2 { margin-top: 18px; }
.service-grid { margin-top: 76px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.service-card { position: relative; min-height: 380px; padding: 34px; background: var(--navy-soft); border: 1px solid rgba(255,255,255,.07); transition: transform .3s, border-color .3s; }
.service-card:hover { transform: translateY(-8px); border-color: var(--lime); }
.service-card.featured { background: var(--lime); color: var(--navy); }
.service-icon { display: grid; place-items: center; width: 62px; height: 62px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; margin-bottom: 68px; }
.featured .service-icon { border-color: rgba(7,26,45,.2); }
.service-icon svg { width: 28px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.service-card small { position: absolute; top: 38px; right: 34px; opacity: .5; }
.service-card h3 { font-size: 25px; margin: 0 0 18px; }
.service-card p { color: rgba(255,255,255,.58); line-height: 1.7; margin-right: 15px; }
.service-card.featured p { color: rgba(7,26,45,.7); }
.card-arrow { position: absolute; bottom: 28px; right: 32px; font-size: 22px; }

.method { display: grid; grid-template-columns: 1fr 1fr; gap: 120px; align-items: start; }
.method-statement { position: sticky; top: 140px; }
.method h2 { margin-top: 24px; }
.steps { list-style: none; padding: 0; margin: 0; }
.steps li { display: grid; grid-template-columns: 70px 1fr; gap: 20px; border-top: 1px solid var(--line); padding: 35px 0 42px; }
.steps li > span { color: var(--lime-dark); font-size: 11px; font-weight: 800; }
.steps h3 { font-size: 25px; margin: 0 0 10px; }
.steps p { color: var(--muted); line-height: 1.65; margin: 0; }

.contact { background: linear-gradient(135deg, #08365a, #07567c); color: var(--white); display: grid; grid-template-columns: .9fr 1.1fr; gap: 120px; }
.contact h2 { margin: 22px 0 30px; }
.contact-copy > p:not(.section-kicker) { color: rgba(255,255,255,.6); line-height: 1.75; max-width: 520px; }
.company-data { margin-top: 55px; padding-top: 25px; border-top: 1px solid rgba(255,255,255,.15); }
.company-data p { font-size: 13px; margin: 12px 0; }
.company-data span { display: inline-block; width: 85px; color: var(--lime); text-transform: uppercase; letter-spacing: .12em; font-size: 9px; font-weight: 800; }
.company-data a { border-bottom: 1px solid rgba(255,255,255,.35); transition: color .2s, border-color .2s; }
.company-data a:hover { color: var(--lime); border-color: var(--lime); }
.contact-form { background: var(--white); color: var(--ink); padding: clamp(28px, 4vw, 52px); box-shadow: 0 30px 60px rgba(0,0,0,.18); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.contact-form label:not(.privacy-check) { display: flex; flex-direction: column; gap: 8px; font-size: 10px; text-transform: uppercase; letter-spacing: .12em; font-weight: 800; margin-bottom: 24px; }
.contact-form input, .contact-form textarea { border: 0; border-bottom: 1px solid #cdd2d5; background: transparent; padding: 12px 0; outline: none; color: var(--ink); resize: vertical; text-transform: none; letter-spacing: normal; font-weight: 400; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--lime-dark); }
.privacy-check { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); font-size: 11px; margin: 4px 0 26px; line-height: 1.5; }
.privacy-check input { accent-color: var(--lime-dark); }
.contact-form .button { width: 100%; }
.form-status { min-height: 20px; margin: 14px 0 0; font-size: 12px; color: #3c7500; }

.whatsapp-button {
  position: fixed;
  z-index: 30;
  right: 22px;
  bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px 13px 14px;
  color: #fff;
  background: #25d366;
  border-radius: 999px;
  box-shadow: 0 12px 32px rgba(0,0,0,.24);
  font-size: 12px;
  font-weight: 800;
  transition: transform .2s, box-shadow .2s;
}
.whatsapp-button:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(0,0,0,.3); }
.whatsapp-button svg { width: 25px; height: 25px; fill: currentColor; }

footer { background: #051420; color: rgba(255,255,255,.6); padding: 32px max(24px, calc((100vw - var(--max)) / 2)); display: flex; align-items: center; justify-content: space-between; font-size: 11px; }
.footer-brand { color: var(--white); }
.footer-brand img { width: 112px; height: 42px; }
footer div { display: flex; gap: 24px; }

.reveal { opacity: 0; transform: translateY(25px); transition: opacity .75s ease, transform .75s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .site-header { height: 72px; }
  nav { position: fixed; inset: 72px 0 auto; padding: 32px 24px 38px; background: var(--navy); flex-direction: column; align-items: flex-start; transform: translateY(-130%); transition: transform .3s; }
  nav.open { transform: none; }
  .menu-toggle { display: grid; gap: 6px; padding: 10px; }
  .menu-toggle span:not(.sr-only) { display: block; width: 24px; height: 1px; background: currentColor; transition: transform .2s; }
  .hero { min-height: 720px; height: 100svh; }
  .hero-backdrop { background-image: linear-gradient(90deg, rgba(8,54,90,.96), rgba(8,54,90,.48)), linear-gradient(0deg, rgba(8,54,90,.72), transparent), url("assets/ieg-hero-blue.png"); background-position: 58% center; }
  .hero-index { display: none; }
  .section { padding-top: 90px; padding-bottom: 90px; }
  .intro { grid-template-columns: 1fr; gap: 32px; }
  .intro-card { max-width: 460px; }
  .section-heading, .method, .contact { grid-template-columns: 1fr; gap: 60px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 310px; }
  .service-icon { margin-bottom: 42px; }
  .method-statement { position: static; }
}

@media (max-width: 560px) {
  .logo-brand img { width: 116px; height: 45px; }
  .logo-brand { padding: 3px 7px 3px 4px; }
  .hero-content { padding-top: 90px; }
  h1 { font-size: 58px; }
  .hero-lead { font-size: 16px; margin: 26px 0; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 14px; }
  .scroll-cue { display: none; }
  .section { padding: 75px 22px; }
  .intro h2, .section-heading h2, .method h2, .contact h2 { font-size: 43px; }
  .section-heading { gap: 32px; }
  .service-grid { margin-top: 48px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .whatsapp-button { right: 14px; bottom: 14px; padding: 13px; }
  .whatsapp-button span { display: none; }
  footer { flex-direction: column; gap: 24px; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}