:root {
  --blue: #0066FF;
  --blue-dark: #0044CC;
  --green: #00C853;
  --green-light: #69F0AE;
  --teal: #00BFA5;
  --gradient: linear-gradient(135deg, #0066FF 0%, #00C853 100%);
  --gradient-soft: linear-gradient(135deg, rgba(0,102,255,0.08) 0%, rgba(0,200,83,0.08) 100%);
  --bg-primary: #FFFFFF;
  --bg-secondary: #F4F7FC;
  --text-primary: #1A1F36;
  --text-secondary: #4A5568;
  --text-muted: #718096;
  --shadow-md: 0 8px 30px rgba(0,40,100,0.08);
  --shadow-glow: 0 8px 40px rgba(0,102,255,0.15);
  --radius: 16px;
  --radius-lg: 24px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Sora', sans-serif;
}

/* ====== NAVBAR ====== */
.navbar {
  position: fixed;
  top: 0; left: 0; width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.4s ease;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 30px rgba(0,40,100,0.06);
}
.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo img {
  height: 55px;
  transition: transform 0.3s ease;
}
.nav-logo img:hover { transform: scale(1.05); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 15px;
  position: relative;
  transition: color 0.3s ease;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--gradient);
  transition: width 0.3s ease;
  border-radius: 1px;
}
.nav-links a:hover { color: var(--blue); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--blue); font-weight: 600; }
.nav-links a.active::after { width: 100%; }
.nav-cta {
  background: var(--gradient);
  color: #fff !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 14px;
  font-family: 'Sora', sans-serif;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.nav-cta:hover {
  transform: translateY(-2px) !important;
  box-shadow: var(--shadow-glow);
}
.nav-cta::after { display: none !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  width: 26px; height: 2.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100vh;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.mobile-menu.open { opacity: 1; pointer-events: all; }
.mobile-menu a {
  text-decoration: none;
  color: var(--text-primary);
  font-size: 22px;
  font-weight: 700;
  font-family: 'Sora', sans-serif;
  transition: color 0.3s;
}
.mobile-menu a:hover { color: var(--blue); }

/* ====== PAGE HEADER ====== */
.page-header {
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(170deg, #FFFFFF 0%, #F0F4FF 40%, #E8FFF0 70%, #F4F7FC 100%);
}
.page-header-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,102,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,102,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: grid-move 20s linear infinite;
  pointer-events: none;
}
@keyframes grid-move {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}
.page-header-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.ph-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.35;
}
.ph-shape-1 {
  width: 420px; height: 420px;
  background: rgba(0,102,255,0.12);
  top: -15%; right: -8%;
  animation: ph-float 10s ease-in-out infinite;
}
.ph-shape-2 {
  width: 320px; height: 320px;
  background: rgba(0,200,83,0.1);
  bottom: -10%; left: -5%;
  animation: ph-float 10s ease-in-out infinite 3s;
}
@keyframes ph-float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -20px); }
}

.page-header .container {
  position: relative;
  z-index: 2;
}
.page-header .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
  font-weight: 500;
}
.page-header .breadcrumb a {
  color: var(--blue);
  text-decoration: none;
  transition: opacity 0.3s;
}
.page-header .breadcrumb a:hover { opacity: 0.7; }
.page-header .breadcrumb .sep { opacity: 0.4; }

.page-header h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.1;
  margin-bottom: 20px;
}
.page-header h1 .gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}
.page-header .lead {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 620px;
  line-height: 1.8;
  letter-spacing: 0.005em;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ====== ABOUT CONTENT ====== */
.about-content {
  padding: 80px 0 120px;
}
.about-content .inner {
  max-width: 820px;
  margin: 0 auto;
}
.about-content .inner p {
  font-size: 17.5px;
  color: var(--text-secondary);
  line-height: 2;
  margin-bottom: 40px;
  letter-spacing: 0.005em;
}
.about-content .inner p:last-child {
  margin-bottom: 0;
}
.about-content .inner p .highlight {
  color: var(--text-primary);
  font-weight: 600;
}

/* Decorative side accent */
.about-content .inner {
  position: relative;
  padding-left: 40px;
}
.about-content .inner::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 4px;
  border-radius: 4px;
  background: var(--gradient);
  opacity: 0.25;
}

/* ====== FOOTER ====== */
.footer {
  background: #0B1426;
  color: #fff;
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  line-height: 1.8;
  margin-top: 16px;
  max-width: 300px;
}
.footer-col h4 {
  font-family: 'Sora', sans-serif;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  color: rgba(255,255,255,0.9);
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 0;
  transition: color 0.3s ease;
}
.footer-col a:hover { color: var(--green-light); }
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}
.footer-social a {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: 16px;
  transition: all 0.3s ease;
}
.footer-social a:hover {
  background: var(--gradient);
  color: #fff;
  transform: translateY(-3px);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  text-align: center;
  color: rgba(255,255,255,0.4);
  font-size: 13px;
}

/* ====== REVEAL ====== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

/* ====== RESPONSIVE ====== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }
  .container { padding: 0 20px; }
  .page-header { padding: 130px 0 60px; }
  .page-header h1 { font-size: clamp(2rem, 6vw, 2.6rem); }
  .page-header .lead { font-size: 16px; }
  .about-content { padding: 60px 0 80px; }
  .about-content .inner { padding-left: 24px; }
  .about-content .inner p { font-size: 16px; line-height: 1.9; margin-bottom: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 480px) {
  .page-header { padding: 120px 0 48px; }
  .page-header .lead { font-size: 15px; }
  .about-content .inner { padding-left: 20px; }
  .about-content .inner::before { width: 3px; }
  .about-content .inner p { font-size: 15.5px; line-height: 1.85; margin-bottom: 28px; }
}

/* ====== SCROLLBAR ====== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--gradient); border-radius: 4px; }