/* ============================================================
   WORLD AI SHOW INDONESIA 2026 — Global Stylesheet
   © 2025 Trescon Global. All Rights Reserved.
   Designed & developed by Durga Charan.
   ============================================================ */

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

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; height: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #F5F0EB;
  color: #1a1f4e;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  -webkit-text-size-adjust: 100%;
}
@media (max-width: 560px) {
  p  { font-size: max(14.5px, 1em) !important; }
  li { font-size: max(14px,   1em) !important; }
}
a { color: inherit; text-decoration: none; }

/* ── CSS custom properties for fonts ── */
:root {
  --font-space: 'Space Grotesk', sans-serif;
  --font-inter: 'Inter', sans-serif;
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(44px) scale(0.975);
  transition: opacity 0.82s cubic-bezier(0.16,1,0.3,1), transform 0.82s cubic-bezier(0.16,1,0.3,1);
}
.reveal.visible { opacity: 1; transform: translateY(0) scale(1); }
.reveal-delay-1 { transition-delay: 0.08s !important; }
.reveal-delay-2 { transition-delay: 0.16s !important; }
.reveal-delay-3 { transition-delay: 0.24s !important; }
.reveal-delay-4 { transition-delay: 0.32s !important; }
.reveal-left {
  opacity: 0; transform: translateX(-40px) scale(0.975);
  transition: opacity 0.82s cubic-bezier(0.16,1,0.3,1), transform 0.82s cubic-bezier(0.16,1,0.3,1);
}
.reveal-left.visible { opacity: 1; transform: translateX(0) scale(1); }
.reveal-right {
  opacity: 0; transform: translateX(40px) scale(0.975);
  transition: opacity 0.82s cubic-bezier(0.16,1,0.3,1), transform 0.82s cubic-bezier(0.16,1,0.3,1);
}
.reveal-right.visible { opacity: 1; transform: translateX(0) scale(1); }

.scroll-x::-webkit-scrollbar { display: none; }
.scroll-x { -ms-overflow-style: none; scrollbar-width: none; }

img { max-width: 100%; height: auto; }

@media (max-width: 900px) { section { padding-left: 24px !important; padding-right: 24px !important; } }
@media (max-width: 560px) { section { padding-left: 16px !important; padding-right: 16px !important; } }

/* ── Navbar ── */
.wais-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(4,8,28,0.72);
  transition: background 0.35s ease, border-color 0.35s ease;
  border-bottom: none;
}
.wais-nav.scrolled {
  background: rgba(6,10,36,0.97);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.nav-inner {
  max-width: 1320px; margin: 0 auto; padding: 0 24px;
  height: 68px;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
}
.nav-logo-wrap {
  display: flex; align-items: center;
}
.nav-logo-box {
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px; padding: 6px 14px;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: background 0.25s, border-color 0.25s;
}
.nav-logo-box:hover { background: rgba(255,255,255,0.10); border-color: rgba(255,255,255,0.22); }
.nav-logo-box img { height: 34px; width: auto; display: block; }
.nav-centre { display: flex; align-items: center; gap: 4px; }
.nav-link {
  font-family: var(--font-space); font-size: 14px; font-weight: 500;
  color: rgba(255,255,255,0.88); text-transform: uppercase; letter-spacing: 0.08em;
  padding: 8px 14px; border-radius: 8px;
  transition: background 0.18s, color 0.18s; white-space: nowrap;
}
.nav-link:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-right { display: flex; align-items: center; justify-content: flex-end; gap: 10px; }
.nav-ctas { display: flex; gap: 8px; }
.btn-enquire {
  font-family: var(--font-space); font-size: 13px; font-weight: 600;
  color: #fff; background: transparent; border: 1.5px solid rgba(255,255,255,0.3);
  padding: 8px 20px; border-radius: 100px; display: inline-block; white-space: nowrap;
  letter-spacing: 0.01em; transition: background 0.25s, border-color 0.25s, color 0.25s;
}
.btn-enquire:hover { background: linear-gradient(100deg,#1b9ad6,#c0f43c); border-color: transparent; color: #1a1f4e; }
.btn-register {
  font-family: var(--font-space); font-size: 13px; font-weight: 700;
  color: #1a1f4e; background: #c0f43c;
  padding: 9px 20px; border-radius: 100px; display: inline-block; white-space: nowrap; letter-spacing: 0.01em;
}
.hamburger {
  display: none; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px; cursor: pointer; padding: 8px 10px; flex-direction: column; gap: 5px;
}
.hamburger span {
  display: block; width: 22px; height: 2px; background: #fff;
  border-radius: 2px; transition: transform 0.25s, background 0.2s, opacity 0.2s;
}
.hamburger.open span:nth-child(1) { background: #c0f43c; transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { background: #c0f43c; transform: rotate(-45deg) translate(5px,-5px); }
.mobile-menu {
  position: fixed; top: 68px; left: 0; right: 0; z-index: 999;
  background: #0a0e2a; border-top: 1px solid rgba(255,255,255,0.08);
  max-height: 0; overflow: hidden; display: none;
  transition: max-height 0.35s cubic-bezier(0.4,0,0.2,1);
}
.mobile-menu.open { max-height: 500px; }
.mobile-menu-inner { padding: 24px 24px 32px; }
.mobile-nav-links { display: flex; flex-direction: column; gap: 2px; margin-bottom: 24px; }
.mobile-nav-link {
  font-family: var(--font-space); font-size: 16px; font-weight: 600;
  color: rgba(255,255,255,0.88); padding: 12px 16px; border-radius: 10px; display: block;
  transition: background 0.18s;
}
.mobile-nav-link:hover { background: rgba(255,255,255,0.06); }
.mobile-ctas { display: flex; gap: 10px; flex-wrap: wrap; }
.mobile-btn-enquire {
  font-family: var(--font-space); font-size: 14px; font-weight: 600;
  color: #fff; background: transparent; border: 1.5px solid rgba(255,255,255,0.25);
  padding: 12px 24px; border-radius: 100px; display: inline-block; flex: 1; text-align: center;
}
.mobile-btn-register {
  font-family: var(--font-space); font-size: 14px; font-weight: 700;
  color: #1a1f4e; background: #c0f43c;
  padding: 12px 24px; border-radius: 100px; display: inline-block; flex: 1; text-align: center;
}
/* ── Nav dropdown ── */
.nav-has-dropdown { position: relative; }
.nav-dropdown {
  position: absolute; top: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  background: rgba(6,10,36,0.97); border: 1px solid rgba(255,255,255,0.10);
  border-radius: 12px; padding: 6px; min-width: 160px;
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  opacity: 0; pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  transform: translateX(-50%) translateY(-4px);
  z-index: 1100;
}
.nav-has-dropdown:hover .nav-dropdown {
  opacity: 1; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-item {
  display: block; font-family: var(--font-space); font-size: 13px; font-weight: 500;
  color: rgba(255,255,255,0.88); text-transform: uppercase; letter-spacing: 0.07em;
  padding: 9px 14px; border-radius: 8px; white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}
.nav-dropdown-item:hover { background: rgba(255,255,255,0.09); color: #fff; }
.nav-link-caret {
  display: inline-block; margin-left: 4px; font-size: 10px; opacity: 0.7;
  transition: transform 0.18s;
}
.nav-has-dropdown:hover .nav-link-caret { transform: rotate(180deg); }

/* ── Mobile nav group (dropdown) ── */
.mobile-nav-group { display: flex; flex-direction: column; }
.mobile-nav-group-header {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-space); font-size: 16px; font-weight: 600;
  color: rgba(255,255,255,0.88); padding: 12px 16px; border-radius: 10px;
  cursor: pointer; transition: background 0.18s; user-select: none;
}
.mobile-nav-group-header:hover { background: rgba(255,255,255,0.06); }
.mobile-nav-group-arrow {
  width: 18px; height: 18px; transition: transform 0.25s;
  stroke: rgba(255,255,255,0.6); flex-shrink: 0;
}
.mobile-nav-group.open .mobile-nav-group-arrow { transform: rotate(180deg); }
.mobile-nav-sub {
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4,0,0.2,1);
  padding-left: 16px;
}
.mobile-nav-group.open .mobile-nav-sub { max-height: 200px; }
.mobile-nav-sub-link {
  display: block; font-family: var(--font-space); font-size: 14px; font-weight: 500;
  color: rgba(255,255,255,0.7); padding: 9px 16px; border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}
.mobile-nav-sub-link:hover { background: rgba(255,255,255,0.06); color: #fff; }

@media (max-width: 1024px) {
  .nav-centre { display: none !important; }
  .hamburger { display: flex !important; }
  .mobile-menu { display: block !important; }
}
@media (max-width: 640px) {
  .nav-ctas { display: none !important; }
  .nav-inner { grid-template-columns: auto 1fr !important; }
}

/* ── Page body spacing ── */
.page-body { padding-top: 0px; }