/* GC Clean static vanilla — design tokens + utilities (pairs with Tailwind CDN in HTML) */
:root {
  --brand-navy: #1b365d;
  --brand-navy-deep: #152a4a;
  --brand-gold: #b8860b;
  --brand-sky: #e8f4fc;
  --brand-sky-mid: #c5dde8;
  --background: #f5f9fc;
  --foreground: #152a4a;
  --shadow-soft-val: 0 2px 8px -2px rgb(27 54 93 / 0.07),
    0 4px 20px -8px rgb(27 54 93 / 0.08);
  --shadow-lift-val: 0 10px 28px -8px rgb(27 54 93 / 0.14),
    0 4px 12px -4px rgb(27 54 93 / 0.08),
    inset 0 1px 0 0 rgb(255 255 255 / 0.85);
  --shadow-glow-gold-val: 0 0 0 1px rgb(184 134 11 / 0.18),
    0 14px 36px -14px rgb(184 134 11 / 0.22);
}

html {
  scroll-padding-top: 4.25rem;
  scroll-behavior: smooth;
}
@media (min-width: 640px) {
  html {
    scroll-padding-top: 5rem;
  }
}

body {
  overflow-x: hidden;
}

@keyframes hero-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}
@keyframes hero-fade-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes pricing-shimmer-move {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 100% 50%;
  }
}

.shadow-soft {
  box-shadow: var(--shadow-soft-val);
}
.shadow-lift-preset {
  box-shadow: var(--shadow-lift-val);
}
.shadow-glow-gold {
  box-shadow: var(--shadow-glow-gold-val);
}

.glass-panel {
  background: rgb(255 255 255 / 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgb(255 255 255 / 0.65);
  box-shadow: inset 0 1px 0 0 rgb(255 255 255 / 0.95), 0 1px 2px rgb(27 54 93 / 0.06);
}

.text-display {
  font-size: clamp(1.875rem, 1.15rem + 2.75vw, 3.35rem);
  line-height: 1.12;
}

.header-hairline {
  position: relative;
}
.header-hairline::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgb(27 54 93 / 0.22),
    rgb(184 134 11 / 0.35),
    rgb(27 54 93 / 0.22),
    transparent
  );
  pointer-events: none;
}

.site-header.is-scrolled {
  background-color: rgb(245 249 252 / 0.95);
  box-shadow: var(--shadow-lift-val);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: rgb(27 54 93 / 0.08);
}

.animate-hero-float {
  animation: hero-float 7s ease-in-out infinite;
}
.animate-hero-fade-up {
  animation: hero-fade-up 0.75s ease-out both;
}
.animation-delay-100 {
  animation-delay: 100ms;
}
.animation-delay-200 {
  animation-delay: 200ms;
}
.animation-delay-300 {
  animation-delay: 300ms;
}
.animation-delay-400 {
  animation-delay: 400ms;
}

.hero-mesh-noise {
  background-image: radial-gradient(
      circle at 25% 25%,
      rgb(197 221 232 / 0.4),
      transparent 55%
    ),
    radial-gradient(circle at 85% 15%, rgb(232 244 252 / 0.95), transparent 50%);
}

.section-soft-top {
  background-image: linear-gradient(
    to bottom,
    rgb(232 244 252 / 0.65),
    transparent 48px
  );
}
.section-soft-bottom {
  background-image: linear-gradient(
    to top,
    rgb(232 244 252 / 0.45),
    transparent 40px
  );
}

.pricing-shimmer {
  background-size: 200% 200%;
  animation: pricing-shimmer-move 12s ease infinite;
}

.card-interactive {
  border-radius: 1rem;
  border: 1px solid rgb(27 54 93 / 0.1);
  transition: all 0.3s;
}
.card-interactive:hover {
  transform: translateY(-2px);
  border-color: rgb(27 54 93 / 0.2);
  box-shadow: var(--shadow-lift-val);
}

.reveal {
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (min-width: 640px) {
  .reveal {
    transform: translateY(2rem);
  }
}

.scroll-progress {
  transform-origin: left;
  transition: transform 0.15s ease-out;
}

#mobile-menu-panel.is-open {
  transform: translateX(0);
}

/* Details accordion polish (FAQ / important info) */
details.faq-item summary {
  list-style: none;
  cursor: pointer;
}
details.faq-item summary::-webkit-details-marker {
  display: none;
}
details.faq-item summary::after {
  content: "▼";
  float: right;
  font-size: 0.65rem;
  opacity: 0.7;
  margin-top: 0.25rem;
}
details.faq-item[open] summary::after {
  content: "▲";
}

@media (prefers-reduced-motion: reduce) {
  .animate-hero-float,
  .pricing-shimmer {
    animation: none !important;
  }
  .animate-hero-fade-up {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .card-interactive:hover {
    transform: none;
  }
}