/* ==========================================================================
   AdWetWipes — Precision Hygiene Design System
   Colors, Typography, Layout, Technical Drawing Motifs, Motion
   ========================================================================== */

:root {
  --ink: #0E2A2F;
  --ink-muted: #385459;
  --teal-primary: #0F5C68;
  --teal-dark: #0A3F48;
  --mint-accent: #2FD9C4;
  --mint-hover: #22C3AF;
  --bg-offwhite: #FAFCFB;
  --bg-alt: #F1F6F5;
  --linen-warm: #EDE7DA;
  --border-hairline: rgba(14, 42, 47, 0.14);
  --border-strong: rgba(14, 42, 47, 0.32);
  --surface-white: #FFFFFF;

  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --container-max: 1160px;
  --radius-sharp: 2px;
  --header-height: 80px;
  --header-height-shrunk: 64px;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-8: 64px;
  --space-10: 80px;
  --space-12: 96px;
  --space-15: 120px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-offwhite);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--bg-offwhite);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

/* Accessibility: Skip Link & Focus */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-2);
  background: var(--ink);
  color: var(--mint-accent);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sharp);
  z-index: 9999;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: var(--space-2);
  outline: 2px solid var(--mint-accent);
  outline-offset: 2px;
}

:focus-visible {
  outline: 2px solid var(--teal-primary);
  outline-offset: 2px;
}

/* Typography Scale */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.h1-hero {
  font-size: clamp(2.25rem, 4.2vw, 3.5rem);
  margin-bottom: var(--space-3);
}

.h2-section {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: var(--space-2);
}

.h3-card {
  font-size: 1.25rem;
  margin-bottom: var(--space-1);
}

.lead-text {
  font-size: clamp(1.0625rem, 1.4vw, 1.2rem);
  color: var(--ink-muted);
  max-width: 60ch;
}

.mono-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teal-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.mono-label::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 1px;
  background-color: var(--teal-primary);
}

/* Layout Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-3);
  padding-right: var(--space-3);
}

.section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
  position: relative;
  border-bottom: 1px solid var(--border-hairline);
}

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

.section-dark {
  background-color: var(--ink);
  color: var(--bg-offwhite);
}

.section-dark h2,
.section-dark h3,
.section-dark .mono-label {
  color: var(--bg-offwhite);
}

.section-dark .mono-label {
  color: var(--mint-accent);
}

.section-dark .mono-label::before {
  background-color: var(--mint-accent);
}

/* Technical Ruler / Measurement Ticks Divider */
.tech-ruler {
  height: 12px;
  width: 100%;
  background-image: repeating-linear-gradient(
    to right,
    var(--border-hairline) 0,
    var(--border-hairline) 1px,
    transparent 1px,
    transparent 16px
  );
  border-bottom: 1px solid var(--border-hairline);
  position: relative;
}

/* Corner Brackets Motif */
.card-bracket {
  position: relative;
  background: var(--surface-white);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sharp);
  padding: var(--space-4);
  transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}

.bracket-tl, .bracket-tr, .bracket-bl, .bracket-br {
  position: absolute;
  width: 8px;
  height: 8px;
  pointer-events: none;
  transition: width 0.25s var(--ease-out), height 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.bracket-tl {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--teal-primary);
  border-left: 2px solid var(--teal-primary);
}

.bracket-tr {
  top: -1px;
  right: -1px;
  border-top: 2px solid var(--teal-primary);
  border-right: 2px solid var(--teal-primary);
}

.bracket-bl {
  bottom: -1px;
  left: -1px;
  border-bottom: 2px solid var(--teal-primary);
  border-left: 2px solid var(--teal-primary);
}

.bracket-br {
  bottom: -1px;
  right: -1px;
  border-bottom: 2px solid var(--teal-primary);
  border-right: 2px solid var(--teal-primary);
}

.card-bracket:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
}

.card-bracket:hover .bracket-tl,
.card-bracket:hover .bracket-tr,
.card-bracket:hover .bracket-bl,
.card-bracket:hover .bracket-br {
  width: 14px;
  height: 14px;
  border-color: var(--mint-accent);
}

/* Buttons */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 14px 24px;
  border-radius: var(--radius-sharp);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease-out), background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background-color: var(--mint-accent);
  color: var(--ink);
  border-color: var(--mint-accent);
}

.btn-primary:hover {
  background-color: var(--mint-hover);
  border-color: var(--mint-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--ink);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  border-color: var(--teal-primary);
  background-color: rgba(15, 92, 104, 0.05);
  transform: translateY(-2px);
}

.btn-light {
  background-color: transparent;
  color: var(--bg-offwhite);
  border-color: rgba(250, 252, 251, 0.35);
}

.btn-light:hover {
  border-color: var(--mint-accent);
  color: var(--mint-accent);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 16px;
  font-size: 0.75rem;
}

/* ==========================================================================
   1. Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: rgba(250, 252, 251, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-hairline);
  transition: height 0.25s var(--ease-out), background-color 0.25s ease;
}

.site-header.is-scrolled {
  height: var(--header-height-shrunk);
  background-color: rgba(250, 252, 251, 0.96);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.brand-wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  background-color: var(--linen-warm);
  color: var(--ink);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sharp);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  padding: 4px 0;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1.5px;
  background-color: var(--teal-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s var(--ease-out);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.lang-switcher {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sharp);
  background: var(--surface-white);
  padding: 2px;
}

.lang-link {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  padding: 4px 7px;
  color: var(--ink-muted);
  border-radius: var(--radius-sharp);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.lang-link:hover {
  color: var(--ink);
}

.lang-link.is-active {
  background-color: var(--ink);
  color: var(--mint-accent);
}

.scroll-progress {
  position: absolute;
  bottom: -1px;
  left: 0;
  height: 2px;
  width: 100%;
  background: transparent;
  overflow: hidden;
}

.scroll-progress-bar {
  height: 100%;
  width: 100%;
  background-color: var(--mint-accent);
  transform: scaleX(0);
  transform-origin: left;
  will-change: transform;
}

/* Mobile Menu Button & Panel */
.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sharp);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.menu-toggle svg {
  width: 20px;
  height: 20px;
  stroke: var(--ink);
}

.mobile-panel {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--bg-offwhite);
  border-bottom: 1px solid var(--border-strong);
  padding: var(--space-3);
  z-index: 999;
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s var(--ease-out), opacity 0.25s ease;
}

.mobile-panel.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.mobile-nav-list .nav-link {
  font-size: 1rem;
  padding: var(--space-1) 0;
  border-bottom: 1px solid var(--border-hairline);
}

/* ==========================================================================
   2. Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
  overflow: hidden;
  border-bottom: 1px solid var(--border-hairline);
}

.hero-mesh {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 80% 25%, rgba(47, 217, 196, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 20% 80%, rgba(15, 92, 104, 0.08) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg-offwhite) 0%, var(--bg-alt) 100%);
  animation: meshPulse 14s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes meshPulse {
  0% { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.04) translate(-1%, 1%); }
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: var(--space-6);
  align-items: center;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-hairline);
}

.stat-chip {
  background: var(--surface-white);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sharp);
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-chip-val {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink);
}

.stat-chip-lbl {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  color: var(--ink-muted);
  letter-spacing: 0.05em;
}

/* Hero Technical Drawing Card */
.hero-drawing-card {
  background: var(--surface-white);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sharp);
  padding: var(--space-3);
  position: relative;
}

.drawing-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: var(--space-1);
  margin-bottom: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--ink-muted);
}

.hero-svg {
  width: 100%;
  height: auto;
}

/* SVG Dimension Line Draw Animation */
.dim-line {
  stroke-dasharray: 420;
  stroke-dashoffset: 420;
  animation: drawDimLine 1.6s var(--ease-out) 0.25s forwards;
}

.dim-label {
  opacity: 0;
  animation: fadeDimLabel 0.6s ease 1.1s forwards;
}

.ripple-circle {
  transform-origin: center;
  animation: rippleLoop 5s ease-out infinite;
}

.ripple-circle-2 {
  transform-origin: center;
  animation: rippleLoop 5s ease-out 2.5s infinite;
}

@keyframes drawDimLine {
  to { stroke-dashoffset: 0; }
}

@keyframes fadeDimLabel {
  to { opacity: 1; }
}

@keyframes rippleLoop {
  0% { transform: scale(0.6); opacity: 0.45; }
  100% { transform: scale(2.1); opacity: 0; }
}

/* ==========================================================================
   3. Trust Strip & Venue Marquee
   ========================================================================== */
.trust-strip {
  background-color: var(--ink);
  color: var(--bg-offwhite);
  border-bottom: 1px solid var(--border-hairline);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid rgba(250, 252, 251, 0.12);
}

.trust-item {
  padding: var(--space-3);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  border-right: 1px solid rgba(250, 252, 251, 0.12);
}

.trust-item:last-child {
  border-right: none;
}

.trust-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  stroke: var(--mint-accent);
}

.trust-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mint-accent);
  margin-bottom: 4px;
}

.trust-desc {
  font-size: 0.8125rem;
  color: rgba(250, 252, 251, 0.8);
}

.marquee-bar {
  overflow: hidden;
  padding: 12px 0;
  background-color: var(--teal-dark);
  border-top: 1px solid rgba(250, 252, 251, 0.08);
  display: flex;
  white-space: nowrap;
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  animation: marqueeScroll 28s linear infinite;
  padding-right: var(--space-6);
}

.marquee-item {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(250, 252, 251, 0.85);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.marquee-item::after {
  content: "// 30×12 CM";
  color: var(--mint-accent);
  font-size: 0.6875rem;
}

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ==========================================================================
   4. Why Hygiene Matters at Volume
   ========================================================================== */
.volume-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-6);
  align-items: start;
}

.numbered-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.numbered-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--surface-white);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sharp);
}

.num-badge {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--teal-primary);
  background: var(--linen-warm);
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sharp);
}

/* ==========================================================================
   5. Product Spec-Sheet Card
   ========================================================================== */
.spec-sheet-wrapper {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: var(--space-4);
  background: var(--surface-white);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sharp);
  padding: var(--space-4);
}

.spec-diagram-box {
  background: var(--bg-alt);
  border: 1px solid var(--border-hairline);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table tr {
  border-bottom: 1px solid var(--border-hairline);
}

.spec-table th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  text-align: left;
  padding: 14px 12px 14px 0;
  width: 38%;
  vertical-align: top;
}

.spec-table td {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
  padding: 14px 0;
  vertical-align: top;
}

.tbc-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--teal-primary);
  background-color: rgba(237, 231, 218, 0.55);
  border: 1px dashed var(--teal-primary);
  padding: 3px 8px;
  border-radius: var(--radius-sharp);
}

/* ==========================================================================
   6, 7, 8. Grids for Use Cases, How We Work, Why AdWetWipes
   ========================================================================== */
.section-header {
  margin-bottom: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.usecase-svg {
  width: 100%;
  height: 110px;
  background: var(--bg-alt);
  border: 1px solid var(--border-hairline);
  margin-bottom: var(--space-2);
  padding: var(--space-2);
}

.step-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--teal-primary);
  margin-bottom: var(--space-2);
  padding-bottom: var(--space-1);
  border-bottom: 1px solid var(--border-hairline);
  display: flex;
  justify-content: space-between;
}

/* ==========================================================================
   9. FAQ Accordion
   ========================================================================== */
.faq-list {
  max-width: 840px;
  margin: 0 auto;
  border-top: 1px solid var(--border-strong);
}

.faq-item {
  border-bottom: 1px solid var(--border-hairline);
}

.faq-trigger {
  width: 100%;
  background: transparent;
  border: none;
  padding: var(--space-3) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
}

.faq-icon {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--teal-primary);
  width: 28px;
  height: 28px;
  border: 1px solid var(--border-hairline);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.25s var(--ease-out), background-color 0.2s ease;
}

.faq-trigger[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
  background-color: var(--ink);
  color: var(--mint-accent);
}

.faq-content {
  height: 0;
  overflow: hidden;
  transition: height 0.3s var(--ease-out);
}

.faq-content-inner {
  padding-bottom: var(--space-3);
  color: var(--ink-muted);
  font-size: 0.95rem;
  max-width: 72ch;
}

/* ==========================================================================
   10. Final CTA Band & Quote Request Form
   ========================================================================== */
.cta-band-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-6);
  align-items: start;
}

.quote-form-card {
  background: var(--surface-white);
  color: var(--ink);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sharp);
  padding: var(--space-4);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.form-control {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sharp);
  background-color: var(--bg-offwhite);
  font-size: 0.9375rem;
  color: var(--ink);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.form-control:focus {
  border-color: var(--teal-primary);
  background-color: var(--surface-white);
  outline: none;
}

.form-control.has-error {
  border-color: #B42318;
  background-color: #FEF3F2;
}

.field-error {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #B42318;
  min-height: 16px;
  display: none;
}

.form-group.invalid .field-error {
  display: block;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: var(--space-1);
}

.checkbox-group input[type="checkbox"] {
  margin-top: 4px;
  width: 16px;
  height: 16px;
  accent-color: var(--teal-primary);
}

.checkbox-group label {
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.checkbox-group a {
  text-decoration: underline;
  color: var(--teal-primary);
}

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.form-status {
  margin-top: var(--space-2);
  padding: var(--space-2);
  border-radius: var(--radius-sharp);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  display: none;
}

.form-status.is-success {
  display: block;
  background-color: #ECFDF3;
  border: 1px solid #027A48;
  color: #027A48;
}

/* ==========================================================================
   11. Footer & Legal Pages
   ========================================================================== */
.site-footer {
  background-color: var(--ink);
  color: rgba(250, 252, 251, 0.78);
  padding-top: var(--space-8);
  padding-bottom: var(--space-6);
  border-top: 1px solid rgba(250, 252, 251, 0.14);
  font-size: 0.875rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-4);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(250, 252, 251, 0.12);
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mint-accent);
  margin-bottom: var(--space-2);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a:hover {
  color: var(--mint-accent);
}

.footer-bottom {
  padding-top: var(--space-3);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(250, 252, 251, 0.55);
}

/* Router Page Styles */
.router-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  background: var(--bg-alt);
}

.router-container {
  width: 100%;
  max-width: 520px;
}

.router-card {
  padding: var(--space-5);
}

.router-title {
  font-size: 2rem;
  margin-bottom: var(--space-1);
}

.router-subtitle {
  color: var(--ink-muted);
  margin-bottom: var(--space-3);
  font-size: 0.95rem;
}

.router-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.router-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sharp);
  font-weight: 500;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.router-link:hover {
  border-color: var(--teal-primary);
  background-color: var(--bg-alt);
}

.mono-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--teal-primary);
  font-weight: 600;
}

/* Legal & Privacy Page Content */
.legal-article {
  max-width: 780px;
  margin: 0 auto;
  background: var(--surface-white);
  border: 1px solid var(--border-hairline);
  padding: var(--space-6);
}

.legal-article h1 {
  margin-bottom: var(--space-3);
}

.legal-article h2 {
  font-size: 1.25rem;
  margin-top: var(--space-4);
  margin-bottom: var(--space-1);
}

.legal-article p, .legal-article ul {
  margin-bottom: var(--space-2);
  color: var(--ink-muted);
}

/* Scroll Reveal Animation Classes */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Responsive Breakpoints (1280px, 768px, 360px)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid,
  .volume-grid,
  .spec-sheet-wrapper,
  .cta-band-grid {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-item:nth-child(2) {
    border-right: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .main-nav,
  .header-actions .btn {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .mobile-panel {
    display: block;
  }

  .grid-3,
  .grid-4,
  .trust-grid,
  .form-grid,
  .footer-grid,
  .router-grid {
    grid-template-columns: 1fr;
  }

  .trust-item {
    border-right: none;
    border-bottom: 1px solid rgba(250, 252, 251, 0.12);
  }

  .section {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }

  .legal-article {
    padding: var(--space-3);
  }
}

/* Accessibility: Reduced Motion */
@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;
  }
  .dim-line {
    stroke-dashoffset: 0 !important;
  }
  .dim-label,
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}