/* ============================================================
   LSI Global Strategies — Stylesheet
   Design language inspired by Deloitte / KPMG
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --color-navy:       #1B2A4A;
  --color-navy-light: #243561;
  --color-dark:       #0F1A2E;
  --color-accent:     #C5A55A;
  --color-accent-dk:  #A8893D;
  --color-green:      #C5A55A;
  --color-silver:     #A0A8B8;
  --color-white:      #FFFFFF;
  --color-off-white:  #F5F6F8;
  --color-gray-100:   #E8EAF0;
  --color-gray-200:   #D0D4DE;
  --color-gray-400:   #8A91A4;
  --color-gray-600:   #5A6178;
  --color-gray-800:   #2E3347;

  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --header-height: 80px;
  --container-max: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.12);
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-gray-800);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

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

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-navy);
}
h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: 1.25rem; }

.section-tag {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.section-title { margin-bottom: 16px; }

.section-desc {
  max-width: 640px;
  color: var(--color-gray-600);
  font-size: 1.05rem;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header .section-desc { margin: 0 auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-primary);
  font-size: .95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-dark);
  border-color: var(--color-accent);
  font-weight: 700;
}
.btn-primary:hover {
  background: var(--color-accent-dk);
  border-color: var(--color-accent-dk);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,.5);
}
.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-navy);
  border-color: var(--color-white);
}

.btn-full { width: 100%; justify-content: center; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: background .3s, box-shadow .3s;
}

.site-header.scrolled {
  background: var(--color-navy);
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 48px;
  width: auto;
}

/* Nav links */
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 16px;
  font-size: .875rem;
  font-weight: 500;
  color: rgba(255,255,255,.8);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
  background: rgba(255,255,255,.08);
}

.nav-link.nav-cta {
  background: var(--color-accent);
  color: var(--color-dark);
  font-weight: 700;
  margin-left: 8px;
}
.nav-link.nav-cta:hover {
  background: var(--color-accent-dk);
}

/* Mobile toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 50%, var(--color-dark) 100%);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(197,165,90,.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(197,165,90,.06) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 140px 0 100px;
  max-width: 740px;
}

.hero-tag {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.hero-title {
  color: var(--color-white);
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 1.15rem;
  line-height: 1.7;
  color: rgba(255,255,255,.7);
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.hero-scroll a {
  color: rgba(255,255,255,.4);
  font-size: 1.5rem;
  animation: bounceDown 2s infinite;
}

@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* Gold accent divider (inspired by business card) */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dk), var(--color-accent));
}

/* ---------- Value Props ---------- */
.value-props {
  padding: 80px 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-100);
}

.vp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.vp-card {
  text-align: center;
  padding: 32px 24px;
}

.vp-icon {
  font-size: 2.4rem;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.vp-card h3 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.vp-card p {
  font-size: .9rem;
  color: var(--color-gray-600);
}

/* ---------- Services ---------- */
.services {
  padding: 100px 0;
  background: var(--color-off-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  border: 1px solid var(--color-gray-100);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.service-card h3 {
  margin-bottom: 12px;
}

.service-card > p {
  color: var(--color-gray-600);
  font-size: .92rem;
  margin-bottom: 20px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-list li {
  position: relative;
  padding-left: 20px;
  font-size: .85rem;
  color: var(--color-gray-600);
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* ---------- Industries ---------- */
.industries {
  padding: 100px 0;
  background: var(--color-navy);
  border-top: 3px solid var(--color-accent);
  border-bottom: 3px solid var(--color-accent);
}

.industries .section-tag { color: var(--color-green); }
.industries .section-title { color: var(--color-white); }
.industries .section-desc { color: rgba(255,255,255,.6); }

.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.industry-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 24px 20px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-md);
  color: var(--color-white);
  font-weight: 500;
  font-size: .95rem;
  transition: var(--transition);
}

.industry-item i {
  font-size: 1.6rem;
  color: var(--color-accent);
}

.industry-item:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.15);
}

/* ---------- About ---------- */
.about {
  padding: 100px 0;
  background: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-content p {
  color: var(--color-gray-600);
  margin-bottom: 16px;
  font-size: .98rem;
}

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--color-gray-100);
}

.stat { text-align: center; }

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1;
}
.stat-suffix {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-accent);
}

.stat-label {
  display: block;
  font-size: .78rem;
  color: var(--color-gray-400);
  margin-top: 4px;
  font-weight: 500;
}

.about-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 1;
  max-width: 400px;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--color-white);
}
.about-image-placeholder i {
  font-size: 5rem;
  opacity: .3;
}
.about-image-placeholder p {
  font-size: 1.3rem;
  font-weight: 600;
  text-align: center;
  line-height: 1.4;
  color: rgba(255,255,255,.6);
}

/* ---------- Insights ---------- */
.insights {
  padding: 100px 0;
  background: var(--color-off-white);
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.insight-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 32px;
  border: 1px solid var(--color-gray-100);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.insight-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.insight-tag {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(0,163,224,.08);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  width: fit-content;
}

.insight-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  line-height: 1.35;
}

.insight-card p {
  font-size: .9rem;
  color: var(--color-gray-600);
  margin-bottom: 20px;
  flex-grow: 1;
}

.insight-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-accent);
  transition: var(--transition);
}
.insight-link:hover { gap: 10px; }

/* ---------- Contact ---------- */
.contact {
  padding: 100px 0;
  background: var(--color-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info .section-title { margin-bottom: 16px; }
.contact-info > p {
  color: var(--color-gray-600);
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-item i {
  font-size: 1.4rem;
  color: var(--color-accent);
  margin-top: 2px;
}

.contact-item strong {
  display: block;
  font-size: .85rem;
  color: var(--color-gray-400);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 2px;
}

.contact-item a,
.contact-item span {
  font-size: .95rem;
  color: var(--color-gray-800);
}
.contact-item a:hover { color: var(--color-accent); }

/* Form */
.contact-form-wrap {
  background: var(--color-off-white);
  border-radius: var(--radius-md);
  padding: 40px;
  border: 1px solid var(--color-gray-100);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--color-gray-800);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-primary);
  font-size: .92rem;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  transition: var(--transition);
  color: var(--color-gray-800);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0,163,224,.12);
}

.form-group textarea { resize: vertical; }

.form-note {
  text-align: center;
  font-size: .8rem;
  color: var(--color-gray-400);
  margin-top: 12px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-dark);
  padding: 64px 0 0;
  color: rgba(255,255,255,.6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.footer-brand .logo { margin-bottom: 16px; }

.footer-tagline {
  font-size: .9rem;
  color: rgba(255,255,255,.4);
  max-width: 280px;
}

.footer-links h4 {
  color: var(--color-white);
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  font-size: .88rem;
  color: rgba(255,255,255,.5);
  padding: 4px 0;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--color-accent); }

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: .8rem;
  color: rgba(255,255,255,.3);
}

/* ---------- Scroll Animations ---------- */
[data-aos] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
[data-aos].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .services-grid,
  .insights-grid { grid-template-columns: repeat(2, 1fr); }
  .vp-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  :root { --header-height: 64px; }

  .mobile-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--color-navy);
    padding: 100px 32px 40px;
    transition: right .4s cubic-bezier(.4,0,.2,1);
    box-shadow: var(--shadow-lg);
    z-index: 999;
  }
  .main-nav.open { right: 0; }

  .nav-list {
    flex-direction: column;
    gap: 8px;
    align-items: stretch;
  }

  .nav-link {
    padding: 12px 16px;
    font-size: 1rem;
  }

  .nav-link.nav-cta { margin-left: 0; margin-top: 8px; text-align: center; }

  .hero-content { padding: 120px 0 80px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; justify-content: center; }

  .vp-grid { grid-template-columns: 1fr; }

  .services-grid,
  .insights-grid { grid-template-columns: 1fr; }

  .industries-grid { grid-template-columns: repeat(2, 1fr); }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-stats { justify-content: center; }

  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .about-stats { flex-direction: column; gap: 24px; }
  .industries-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}