/* ══════════════════════════════════════════════════════════════
   BBN GROUP — Core UI Styles (MNC Reference Redesign)
   Based on Inter & Plus Jakarta Sans
══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  /* Colors */
  --c-white: #FFFFFF;
  --c-black: #1A1A1A;
  --c-bg-light: #F4F4F4;
  --c-bg-dark: #201D1D;
  --c-card-light: #FFFFFF;
  --c-card-dark: #2A2626;
  
  --c-text-dark: #1A1A1A;
  --c-text-gray: #6D6D6D;
  --c-text-light: #FFFFFF;
  --c-text-light-muted: #A3A3A3;
  
  --c-border-light: #DEDEDE;
  --c-border-dark: #3F3C3C;

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --section-pad-y: 120px;
  --section-pad-x: 5%;
  --container-max: 1300px;
  
  /* Utilities */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 24px;
  --radius-pill: 100px;
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  font-size: 16px;
  scroll-behavior: initial; /* Lenis handles this */
  overflow-x: hidden;
  max-width: 100%;
}
html.lenis, html.lenis body {
  height: auto;
}
.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}
.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}
.lenis.lenis-stopped {
  overflow: hidden;
}
.lenis.lenis-scrolling iframe {
  pointer-events: none;
}
body {
  font-family: var(--font-body);
  background-color: var(--c-white);
  color: var(--c-text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 100%;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button { border: none; background: none; font-family: inherit; cursor: pointer; }

/* ── Typography ──────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: inherit;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.title-h1 {
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 700;
}

.title-h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 600;
  line-height: 1.2;
}

.title-h3 {
  font-size: clamp(1.5rem, 2vw, 2rem);
  font-weight: 600;
}

.text-lg { font-size: 1.125rem; }
.text-md { font-size: 1rem; }
.text-sm { font-size: 0.875rem; }

/* ── Layout & Sections ───────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--section-pad-x);
}

.section {
  padding: var(--section-pad-y) 0;
}
.section-light { background-color: var(--c-bg-light); color: var(--c-text-dark); }
.section-dark  { background-color: var(--c-bg-dark); color: var(--c-text-light); }
.section-white { background-color: var(--c-white); color: var(--c-text-dark); }

/* SVG Grid Background Pattern */
.bg-grid {
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M99 0v100H0' fill='none' stroke='rgba(0,0,0,0.03)' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 100px 100px;
}
.section-dark .bg-grid {
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M99 0v100H0' fill='none' stroke='rgba(255,255,255,0.03)' stroke-width='1'/%3E%3C/svg%3E");
}

/* ── Components ──────────────────────────────────────────── */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 500;
  font-family: var(--font-body);
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-black {
  background-color: var(--c-black);
  color: var(--c-white);
  border: 1px solid var(--c-black);
}
.btn-black:hover {
  background-color: transparent;
  color: var(--c-black);
}

.btn-white {
  background-color: var(--c-white);
  color: var(--c-black);
  border: 1px solid var(--c-white);
}
.btn-white:hover {
  background-color: transparent;
  color: var(--c-white);
}

.btn-outline-light {
  background-color: transparent;
  color: var(--c-text-light);
  border: 1px solid rgba(255,255,255,0.2);
}
.btn-outline-light:hover {
  background-color: var(--c-white);
  color: var(--c-black);
}

.btn-outline-dark {
  background-color: transparent;
  color: var(--c-text-dark);
  border: 1px solid var(--c-border-light);
}
.btn-outline-dark:hover {
  background-color: var(--c-black);
  color: var(--c-white);
}

/* Badges / Tags */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--c-border-light);
  color: var(--c-text-gray);
  margin-bottom: 24px;
}
.section-dark .tag {
  border-color: rgba(255,255,255,0.1);
  color: var(--c-text-light-muted);
}
.tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
}

/* Header / Nav */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 90px;
  background-color: var(--c-white);
  display: flex;
  align-items: center;
  z-index: 1000;
  transition: transform 0.4s ease;
  border-bottom: 1px solid var(--c-border-light);
}
.header.hide { transform: translateY(-100%); }
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0 4%;
}
.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--c-black);
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--c-text-dark);
  position: relative;
}
.nav-link:hover { color: var(--c-text-gray); }

/* Hamburger */
.menu-btn {
  display: none;
  font-size: 1.5rem;
  color: var(--c-black);
}

/* Footer */
.footer {
  background-color: var(--c-bg-dark);
  color: var(--c-text-light);
  padding: 80px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}
.footer-heading {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 24px;
}
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { color: var(--c-text-light-muted); font-size: 0.95rem; }
.footer-links a:hover { color: var(--c-white); }
.footer-bottom {
  border-top: 1px solid var(--c-border-dark);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  color: var(--c-text-light-muted);
  font-size: 0.85rem;
}

/* ── Hero Section ────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 90px; /* offset header */
  background-color: var(--c-bg-dark);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4; /* darken image */
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}
.hero-subtitle {
  font-size: 1.125rem;
  color: var(--c-text-light-muted);
  max-width: 600px;
  margin-top: 24px;
  margin-bottom: 40px;
}

/* ── Stats / Who We Are ──────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}
.stat-card {
  background: var(--c-card-light);
  padding: 40px;
  border-radius: var(--radius-md);
  text-align: center;
}
.stat-num {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--c-black);
  margin-bottom: 8px;
}
.stat-label {
  color: var(--c-text-gray);
  font-size: 0.95rem;
}

/* ── Trusted Partners Marquee ────────────────────────────── */
.marquee-wrap {
  overflow: hidden;
  white-space: nowrap;
  padding: 40px 0;
  border-top: 1px solid var(--c-border-light);
  border-bottom: 1px solid var(--c-border-light);
}
.marquee-inner {
  display: inline-block;
  animation: marquee 20s linear infinite;
}
.marquee-inner img {
  display: inline-block;
  height: 40px;
  margin: 0 40px;
  opacity: 0.5;
  filter: grayscale(100%);
  transition: var(--transition);
}
.marquee-inner img:hover { opacity: 1; filter: grayscale(0%); }

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); } /* requires duplicating content */
}

/* ── Services Split Layout ───────────────────────────────── */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-bg-light);
}
.split-left {
  padding: 80px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.split-right {
  position: relative;
  padding: 60px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.split-right-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.split-right-bg img {
  width: 100%; height: 100%; object-fit: cover;
}
.split-right-bg::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(0,0,0,0.6);
}
.service-feature-card {
  position: relative;
  z-index: 2;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(10px);
  padding: 24px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 16px;
}
.service-icon {
  width: 48px; height: 48px;
  background: var(--c-black);
  color: var(--c-white);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ── Testimonials ────────────────────────────────────────── */
.testimonial-block {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.stars { color: #F59E0B; font-size: 1.25rem; margin-bottom: 24px; }
.testi-quote {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 40px;
}
.testi-author {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.testi-avatar {
  width: 64px; height: 64px; border-radius: 50%;
  object-fit: cover;
}
.testi-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--c-border-light);
  border: 1px solid var(--c-border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin: 40px auto;
}
.testi-metric-box {
  background: var(--c-card-light);
  padding: 32px 20px;
}
.tm-val { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; margin-bottom: 4px; }
.tm-lbl { font-size: 0.85rem; color: var(--c-text-gray); }

/* ── Blog Grid ───────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 40px;
}
.blog-card {
  background: var(--c-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--c-border-light);
}
.blog-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}
.blog-content {
  padding: 24px;
}
.blog-cat {
  display: inline-block;
  padding: 4px 12px;
  background: var(--c-bg-light);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  border-radius: 4px;
}
.blog-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.4;
}

/* Dropdown navigation */
.nav-dropdown {
  position: relative;
  display: inline-block;
}
.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--c-white);
  min-width: 260px;
  border: 1px solid var(--c-border-light);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  padding: 12px 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1001;
}
.dropdown-menu a {
  display: block;
  padding: 10px 24px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-text-dark);
  transition: var(--transition);
  text-align: left;
}
.dropdown-menu a:hover {
  background-color: var(--c-bg-light);
  color: var(--c-black);
  padding-left: 28px;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .split-layout { grid-template-columns: 1fr; }
  .split-left { padding: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .testi-metrics { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links {
    position: absolute; top: 90px; left: 0; right: 0;
    background: var(--c-white);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--c-border-light);
    display: none;
  }
  .nav-links.active { display: flex; }
  .menu-btn { display: block; }
  .nav-btn { display: none; }
  
  .stats-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .title-h1 { font-size: 2.5rem; }
  .title-h2 { font-size: 2rem; }
}

/* ── GSAP Reveal Classes (FOUC Prevention) ─────────── */
[data-reveal], [data-stagger-parent] [data-stagger-child], [data-split-text] {
  opacity: 0;
}
body.page-loaded [data-reveal], body.page-loaded [data-stagger-parent] [data-stagger-child], body.page-loaded [data-split-text] {
  opacity: 1; /* GSAP will take over */
}