* { font-family: 'Inter', sans-serif; box-sizing: border-box; }

/* ── OVERLAY ── */
#gate-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(12px);
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}
#gate-overlay.hidden { display: none; }

.popup-card {
  background: linear-gradient(135deg, #111 0%, #1a0a0a 100%);
  border: 1px solid rgba(239,68,68,0.25);
  border-radius: 1.5rem;
  max-width: 560px; width: 100%;
  box-shadow: 0 0 80px rgba(239,68,68,0.15), 0 40px 80px rgba(0,0,0,0.6);
  overflow: hidden;
  animation: popIn 0.5s cubic-bezier(0.34,1.56,0.64,1) forwards;
}
@keyframes popIn {
  from { opacity:0; transform: scale(0.85) translateY(20px); }
  to   { opacity:1; transform: scale(1) translateY(0); }
}

.step { display: none; }
.step.active { display: block; animation: fadeStep 0.4s ease forwards; }
@keyframes fadeStep {
  from { opacity:0; transform: translateX(20px); }
  to   { opacity:1; transform: translateX(0); }
}

/* ── FORM ── */
.form-input {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  color: #fff;
  font-size: 0.875rem;
  transition: border-color 0.2s, background 0.2s;
  outline: none;
}
.form-input:focus { border-color: rgba(239,68,68,0.6); background: rgba(255,255,255,0.08); }
.form-input::placeholder { color: #6b7280; }
.form-input.error { border-color: #ef4444; }

label.form-label {
  display: block;
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: #9ca3af; margin-bottom: 0.35rem;
}
.field-error { font-size: 0.7rem; color: #f87171; margin-top: 0.3rem; }

.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, #dc2626, #ef4444);
  color: #fff; font-weight: 800; font-size: 0.875rem;
  letter-spacing: 0.05em; text-transform: uppercase;
  padding: 0.875rem 1.5rem; border-radius: 0.75rem;
  border: none; cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 8px 24px rgba(239,68,68,0.3);
}
.btn-primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(239,68,68,0.45); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.social-btn {
  display: flex; align-items: center; justify-content: center; gap: 0.6rem;
  padding: 0.75rem 1rem; border-radius: 0.75rem;
  font-weight: 700; font-size: 0.8rem; text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1px solid transparent;
}
.social-btn:hover { transform: translateY(-2px); }
.social-fb { background: #1877f2; color: #fff; }
.social-fb:hover { box-shadow: 0 8px 20px rgba(24,119,242,0.4); }
.social-li { background: #0a66c2; color: #fff; }
.social-li:hover { box-shadow: 0 8px 20px rgba(10,102,194,0.4); }
.social-wa { background: #25d366; color: #fff; }
.social-wa:hover { box-shadow: 0 8px 20px rgba(37,211,102,0.4); }

.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff; border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.pulse-dot { display: inline-flex; align-items: center; gap: 0.35rem; }
.pulse-dot span.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #ef4444; position: relative;
}
.pulse-dot span.dot::after {
  content: ''; position: absolute; inset: -3px;
  border-radius: 50%; background: rgba(239,68,68,0.4);
  animation: ping 1.5s ease-out infinite;
}
@keyframes ping { 0%{transform:scale(1);opacity:1} 100%{transform:scale(2);opacity:0} }

/* ── HERO BG ── */
.hero-bg {
  background:
    linear-gradient(135deg, rgba(0,0,0,0.72), rgba(20,5,0,0.62)),
    url('../images/Hero Page.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* ── GRADIENT TEXT ── */
.gradient-text {
  background: linear-gradient(90deg, #ef4444, #f87171, #ef4444);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: grad 3s ease infinite;
}
@keyframes grad {
  0%,100%{background-position:0% center}
  50%{background-position:100% center}
}

html { scroll-behavior: smooth; }

@keyframes fadeInUp {
  from { opacity:0; transform:translateY(20px); }
  to   { opacity:1; transform:translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.6s ease-out forwards; }

/* ── PROGRESS BAR ── */
.progress-bar-bg { background: rgba(255,255,255,0.08); border-radius: 9999px; height: 4px; }
.progress-bar { height: 4px; border-radius: 9999px; background: linear-gradient(90deg,#dc2626,#ef4444); transition: width 0.4s ease; }

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── ADDRESS ── */
.addr-actions {
  position: absolute; right: 0.5rem; top: 50%;
  transform: translateY(-50%);
  display: flex; align-items: center; gap: 0.25rem;
}
.addr-icon { padding: 0.25rem; color: #6b7280; pointer-events: none; display: flex; align-items: center; }
.addr-divider { width: 1px; height: 18px; background: rgba(255,255,255,0.1); margin: 0 2px; }
.gps-btn {
  padding: 0.35rem; border-radius: 0.5rem;
  background: transparent; border: none; cursor: pointer;
  color: #9ca3af; display: flex; align-items: center;
  transition: color 0.2s, background-color 0.2s;
}
.gps-btn:hover, .gps-btn:focus { color: #ef4444; background-color: rgba(239,68,68,0.1); }
.gps-btn:active { transform: scale(0.95); }
.addr-hint { font-size: 0.68rem; color: #4b5563; margin-top: 0.3rem; }

#addr-dropdown {
  position: absolute; left: 0; right: 0; top: calc(100% + 6px); z-index: 50;
  background: #1a1a1a; border: 1px solid rgba(255,255,255,0.12);
  border-radius: 0.75rem; max-height: 220px; overflow-y: auto;
  box-shadow: 0 12px 40px rgba(0,0,0,0.6);
}
#addr-dropdown.hidden { display: none; }
.addr-item { padding: 0.65rem 1rem; display: flex; align-items: flex-start; gap: 0.5rem; cursor: pointer; }
.addr-item:hover, .addr-item.active {
  background: rgba(239,68,68,0.10);
  outline: 1px solid rgba(239,68,68,0.30); outline-offset: -1px;
}
.addr-no-results { padding: 0.75rem 1rem; font-size: 0.75rem; color: #6b7280; }

.success-icon {
  width: 5rem; height: 5rem; border-radius: 9999px;
  background: linear-gradient(to bottom right, #22c55e, #059669);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.5rem;
  box-shadow: 0 0 40px rgba(34,197,94,0.4);
}

.hidden { display: none !important; }

/* ── GLASS TAG (research cards) ── */
.glass-tag {
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.12);
}

/* ── CARD 3D hover ── */
.card-3d {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  transform-style: preserve-3d;
}
.card-3d:hover { transform: translateY(-6px) rotateX(1deg); }

/* ── ANIMATED BORDER ── */
.animated-border {
  position: relative;
}
.animated-border::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent 40%, rgba(239,68,68,0.3) 70%, transparent 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s;
}
.animated-border:hover::before { opacity: 1; }

/* ── STAGGER items ── */
.stagger-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.stagger-item.visible { opacity: 1; transform: translateY(0); }

/* ── TIMELINE ── */
.timeline-item { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.timeline-item.visible { opacity: 1; transform: translateY(0); }

/* ── ACCESSIBILITY ── */
.form-input:focus-visible,
.btn-primary:focus-visible,
.gps-btn:focus-visible,
.social-btn:focus-visible {
  outline: 2px solid #ef4444; outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .pulse-dot .dot, .spinner, .progress-bar { animation: none !important; transition: none !important; }
  .success-icon { box-shadow: none !important; }
  .reveal, .stagger-item, .timeline-item { opacity: 1 !important; transform: none !important; transition: none !important; }
}
@media (prefers-contrast: high) {
  .form-input { border: 2px solid currentColor; }
  .field-error { font-weight: bold; }
}

@media print { #gate-overlay { display: none !important; } }

/* ── SECTION BASE ── */
section, footer { display: block; }
#main-site { display: none; }
#main-site.visible { display: block; }

/* ── SPOTLIGHT on cards ── */
.spotlight-card { overflow: hidden; }
.spotlight-card::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(600px circle at var(--mouse-x,50%) var(--mouse-y,50%), rgba(239,68,68,0.06), transparent 40%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}
.spotlight-card:hover::after { opacity: 1; }