/* =========================================
   COSBYTE — Global Stylesheet
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700;800;900&display=swap');

/* ---- CSS Variables ---- */
:root {
  --navy:       #1B2259;
  --navy-deep:  #141848;
  --navy-mid:   #232b6e;
  --gold:       #F5B935;
  --gold-light: #fdd26a;
  --white:      #FFFFFF;
  --light-bg:   #F8F9FC;
  --border:     #E5E7EB;
  --text-dark:  #1B2259;
  --text-body:  #374151;
  --text-muted: #6B7280;
  --text-light: #9CA3AF;
  --radius:     12px;
  --radius-sm:  6px;
  --shadow:     0 4px 24px rgba(27,34,89,0.10);
  --shadow-lg:  0 8px 40px rgba(27,34,89,0.16);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Lexend', sans-serif;
  color: var(--text-body);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; outline: none; }
input, textarea, select { font-family: inherit; }

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Lexend', sans-serif;
  color: var(--text-dark);
  line-height: 1.15;
  font-weight: 700;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.1rem; }
p { line-height: 1.75; }

/* ---- Layout Utilities ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 80px 0; }
.section-sm { padding: 60px 0; }
.section-dark {
  background: var(--navy);
  color: var(--white);
}
.section-dark h1, .section-dark h2,
.section-dark h3, .section-dark h4 {
  color: var(--white);
}
.section-light { background: var(--light-bg); }
.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.text-muted { color: var(--text-muted); }
.fw-300 { font-weight: 300; }
.fw-600 { font-weight: 600; }

/* ---- Flex & Grid Helpers ---- */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 16px; }
.gap-4 { gap: 24px; }
.gap-6 { gap: 48px; }

/* ---- Section Labels ---- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--gold);
  flex-shrink: 0;
}
.section-label.dark {
  color: var(--navy);
}
.section-label.dark::before {
  background: var(--navy);
}

/* ---- Pill Badge ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.badge-gold {
  background: rgba(245,185,53,0.15);
  color: var(--gold);
  border: 1px solid rgba(245,185,53,0.3);
}
.badge-navy {
  background: rgba(27,34,89,0.08);
  color: var(--navy);
}
.badge-white {
  background: rgba(255,255,255,0.15);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.2);
}
.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold);
  color: var(--navy);
}
.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(245,185,53,0.35);
}
.btn-dark {
  background: var(--navy);
  color: var(--white);
}
.btn-dark:hover {
  background: var(--navy-mid);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}
.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
}
.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}
.btn-lg {
  padding: 15px 36px;
  font-size: 0.95rem;
}
.btn svg, .btn .arrow {
  transition: transform var(--transition);
}
.btn:hover svg, .btn:hover .arrow {
  transform: translateX(3px);
}

/* =========================================
   NAVIGATION
   ========================================= */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
#navbar.scrolled {
  border-color: var(--border);
  box-shadow: 0 2px 20px rgba(27,34,89,0.08);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.01em;
}
.nav-logo img {
  height: 36px;
  width: auto;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-body);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--navy);
}
.nav-links a:hover::after, .nav-links a.active::after {
  transform: scaleX(1);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  transition: var(--transition);
  border-radius: 2px;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 68px 0 0 0;
  background: var(--white);
  z-index: 999;
  padding: 32px 24px;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--border);
  transform: translateY(-100%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
}
.mobile-nav.open {
  display: flex;
  transform: translateY(0);
}
.mobile-nav a {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.04em;
}

/* =========================================
   HERO SECTIONS
   ========================================= */
.hero {
  padding-top: 68px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}
.hero-dark {
  background: var(--navy);
  position: relative;
  overflow: hidden;
}
.hero-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 70% 50%, rgba(245,185,53,0.06) 0%, transparent 70%),
              radial-gradient(ellipse 40% 40% at 20% 80%, rgba(255,255,255,0.03) 0%, transparent 60%);
  pointer-events: none;
}
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* =========================================
   CARDS
   ========================================= */
.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: rgba(27,34,89,0.12);
}
.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245,185,53,0.12);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  color: var(--gold);
  font-size: 1.3rem;
}

/* =========================================
   STATS
   ========================================= */
.stat-block .stat-number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}
.stat-block .stat-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-top: 6px;
}
.stat-block .stat-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
}

/* =========================================
   GRID LAYOUTS
   ========================================= */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; }
.grid-1-2 { display: grid; grid-template-columns: 1fr 2fr; gap: 48px; }
.grid-5-7 { display: grid; grid-template-columns: 5fr 7fr; gap: 60px; align-items: center; }
.grid-7-5 { display: grid; grid-template-columns: 7fr 5fr; gap: 60px; align-items: center; }

/* =========================================
   SECTION HEADERS
   ========================================= */
.section-header {
  margin-bottom: 56px;
}
.section-header h2 {
  margin-bottom: 12px;
}
.section-header p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 540px;
}
.section-header.centered {
  text-align: center;
}
.section-header.centered p {
  margin: 0 auto;
}

/* =========================================
   DIVIDERS & DECORATIVE
   ========================================= */
.divider {
  height: 1px;
  background: var(--border);
}
.dot-accent {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  display: inline-block;
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.7;
  margin-top: 16px;
  color: rgba(255,255,255,0.5);
  max-width: 260px;
}
.footer-col h5 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 10px;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: rgba(255,255,255,0.45); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--gold); }
.social-links { display: flex; gap: 12px; margin-top: 20px; }
.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  transition: var(--transition);
}
.social-links a:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(245,185,53,0.08);
}
.footer-logo img {
  height: 38px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

/* =========================================
   ANIMATIONS
   ========================================= */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slideRight {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.animate-fade-up { animation: fadeUp 0.7s ease forwards; }
.animate-fade-in { animation: fadeIn 0.7s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* Scroll-triggered reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* =========================================
   FORM ELEMENTS
   ========================================= */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-dark);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(27,34,89,0.08);
}
.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-light);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* =========================================
   ACCORDION / FAQ
   ========================================= */
.accordion-item {
  border-bottom: 1px solid var(--border);
}
.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-dark);
  transition: color var(--transition);
  user-select: none;
}
.accordion-header:hover { color: var(--navy); }
.accordion-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
  font-size: 0.85rem;
}
.accordion-item.open .accordion-icon {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
  transform: rotate(45deg);
}
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.accordion-body-inner {
  padding-bottom: 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.accordion-item.open .accordion-body {
  max-height: 300px;
}

/* =========================================
   TIMELINE
   ========================================= */
.timeline {
  position: relative;
  padding-left: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold), var(--navy));
}
.timeline-item {
  position: relative;
  margin-bottom: 40px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -37px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  border: 2px solid var(--white);
  box-shadow: 0 0 0 2px var(--gold);
}
.timeline-period {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

/* =========================================
   PROGRESS BAR
   ========================================= */
.progress-bar {
  height: 4px;
  background: rgba(255,255,255,0.15);
  border-radius: 100px;
  overflow: hidden;
  margin-top: 12px;
}
.progress-fill {
  height: 100%;
  background: var(--gold);
  border-radius: 100px;
  transition: width 1.5s cubic-bezier(0.4,0,0.2,1);
}

/* =========================================
   TABS
   ========================================= */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--light-bg);
  border-radius: var(--radius);
  padding: 4px;
  width: fit-content;
}
.tab-btn {
  padding: 8px 20px;
  border-radius: calc(var(--radius) - 2px);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  background: none;
  transition: var(--transition);
}
.tab-btn.active, .tab-btn:hover {
  background: var(--white);
  color: var(--navy);
  box-shadow: 0 2px 8px rgba(27,34,89,0.08);
}

/* =========================================
   PAGE HERO (inner pages)
   ========================================= */
.page-hero {
  padding-top: calc(68px + 80px);
  padding-bottom: 80px;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(245,185,53,0.07) 0%, transparent 70%);
  pointer-events: none;
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .grid-5-7, .grid-7-5 { grid-template-columns: 1fr; }
  .grid-2-1, .grid-1-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta .btn-dark { display: none; }
  .hamburger { display: flex; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero { min-height: auto; padding-top: 100px; padding-bottom: 60px; }
  .btn-lg { padding: 13px 24px; font-size: 0.875rem; }
}