/* ==========================================================================
   Snow Busters — Base / Reset / Typography
   ========================================================================== */

@font-face {
  font-family: 'Inter';
  src: url('../fonts/Inter-var-latin.woff2') format('woff2');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Manrope';
  src: url('../fonts/Manrope-var-latin.woff2') format('woff2');
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, video { max-width: 100%; display: block; }
svg { display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--sb-navy);
  line-height: var(--lh-tight);
  margin: 0 0 var(--space-4);
  font-weight: 800;
  letter-spacing: -0.01em;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); font-weight: 700; }
h4 { font-size: var(--fs-h4); font-weight: 700; }

p { margin: 0 0 var(--space-4); color: var(--color-text-muted); }
p:last-child { margin-bottom: 0; }

a { color: var(--sb-navy); text-decoration: none; }

ul, ol { margin: 0; padding: 0; list-style: none; }

button { font-family: inherit; cursor: pointer; }

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--sb-navy);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
  font-weight: 600;
}
.skip-link:focus {
  left: 0;
}

/* Layout helpers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
@media (min-width: 640px) {
  .container { padding-inline: var(--space-7); }
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

section, .section {
  padding-block: var(--section-pad-y);
}

.section-alt { background: var(--color-bg-alt); }

.section-head {
  max-width: 640px;
  margin-bottom: var(--space-7);
}
.section-head.center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sb-slate);
  background: var(--sb-slate-100);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-4);
}

.lead {
  font-size: var(--fs-lead);
  color: var(--color-text-muted);
  line-height: var(--lh-snug);
}

/* Visually hidden but accessible */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease-out),
              background-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--sb-navy);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: #fff;
  color: var(--sb-navy);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover {
  border-color: var(--sb-navy);
  background: var(--sb-grey-100);
}

.btn-ghost-light {
  background: rgba(255,255,255,0.14);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.75);
  backdrop-filter: blur(6px);
}
.btn-ghost-light:hover {
  background: rgba(255,255,255,0.24);
  border-color: #fff;
}

/* Primary CTA variant for use on dark/navy backgrounds (hero, final CTA,
   banner-split) — solid white so it reads as the clear primary action
   instead of disappearing into a navy section background. */
.btn-on-dark {
  background: #fff;
  color: var(--sb-navy);
  border-color: #fff;
}
.btn-on-dark:hover {
  background: var(--sb-grey-100);
  box-shadow: var(--shadow-md);
}

.btn-block { width: 100%; }
.btn-lg { padding: 1rem 2rem; font-size: 1rem; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* Cards */
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

/* Phone links */
.tel-link { font-weight: 600; color: inherit; }

/* Utility */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }

/* Reveal-on-scroll (subtle) */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}