/* ============================================================
   EXODE ELECTRONICS — style.css
   Shared stylesheet for all pages.
   ============================================================ */

/* ── GOOGLE FONTS ── */
@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

/* ── CUSTOM PROPERTIES ── */
:root {
  --bg:           #111111;
  --bg2:          #181818;
  --bg3:          #0c0c0c;
  --orange:       #E8500A;
  --orange-dim:   rgba(232, 80, 10, 0.12);
  --orange-glow:  rgba(232, 80, 10, 0.32);
  --white:        #ffffff;
  --gray:         #8a8a8a;
  --gray-light:   rgba(255, 255, 255, 0.68);
  --border:       rgba(255, 255, 255, 0.07);

  --font-display: 'Rajdhani', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  --nav-h:   72px;
  --max-w:   1100px;
  --pad:     48px;
  --radius:  6px;
}

/* ── RESET ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

/* ── TYPE SCALE ── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(42px, 6vw, 76px); }
h2 { font-size: clamp(28px, 3.5vw, 44px); }
h3 { font-size: clamp(20px, 2.5vw, 28px); }

/* Orange emphasis inside headings */
h1 em, h2 em, h3 em {
  font-style: normal;
  color: var(--orange);
}

p {
  font-weight: 300;
  color: var(--gray-light);
}

/* ── SECTION LABEL ── */
.section-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--orange);
  flex-shrink: 0;
}

/* Centered variant — no left rule */
.section-label.center {
  justify-content: center;
}

.section-label.center::before {
  display: none;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s,
              transform 0.2s, color 0.2s;
}

.btn svg {
  flex-shrink: 0;
}

.btn-primary {
  background: var(--orange);
  color: var(--white);
  border-color: var(--orange);
  box-shadow: 0 0 22px var(--orange-glow);
}

.btn-primary:hover {
  background: #ff6520;
  box-shadow: 0 0 36px rgba(232, 80, 10, 0.55);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.28);
}

.btn-outline:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-2px);
}

.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-group.center {
  justify-content: center;
}

/* ── TINDIE BADGE + AMAZON PLACEHOLDER ── */
.buy-buttons {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.buy-buttons.center {
  justify-content: center;
}

/* Grayed-out Amazon placeholder */
.btn-amazon-soon {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.25);
  border: 2px solid rgba(255, 255, 255, 0.1);
  cursor: default;
  user-select: none;
}

/* ── ORANGE DIVIDER ── */
.orange-divider {
  width: 48px;
  height: 3px;
  background: var(--orange);
  margin: 24px auto 32px;
}

/* ── FADE-UP SCROLL ANIMATION ── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   NAV
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad);
  height: var(--nav-h);
  background: rgba(17, 17, 17, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: height 0.3s;
}

.site-nav.scrolled {
  height: 60px;
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo img {
  height: 34px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
  position: relative;
  padding-bottom: 2px;
  transition: color 0.2s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

/* Hamburger button */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.nav-drawer {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
  z-index: 199;
  padding: 8px 0;
  flex-direction: column;
}

.nav-drawer.open {
  display: flex;
}

.nav-drawer a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.68);
  padding: 14px var(--pad);
  border-bottom: 1px solid var(--border);
  transition: color 0.2s, background 0.2s;
}

.nav-drawer a:last-child {
  border-bottom: none;
}

.nav-drawer a:hover {
  color: var(--orange);
  background: rgba(232, 80, 10, 0.06);
}

/* ============================================================
   HERO  (home page)
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 680px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.48);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(17,17,17,0.55) 0%, transparent 55%),
    linear-gradient(to top,
      rgba(17,17,17,0.98) 0%,
      rgba(17,17,17,0.55) 35%,
      transparent 70%);
}

.hero-content {
  position: relative;
  padding: 0 64px 80px;
  max-width: 740px;
  animation: fadeUpOnce 0.9s ease both;
}

.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--orange);
}

.hero h1 {
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 17px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.65;
  max-width: 520px;
  margin-bottom: 40px;
}

/* ============================================================
   BENEFITS STRIP
   ============================================================ */
.benefits {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.benefits-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: var(--max-w);
  margin: 0 auto;
}

.benefit {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 36px var(--pad);
  border-right: 1px solid var(--border);
}

.benefit:last-child {
  border-right: none;
}

.benefit-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--orange-dim);
  border: 1px solid rgba(232, 80, 10, 0.28);
  border-radius: 8px;
}

.benefit-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--orange);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.benefit-label {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1.3;
}

.benefit-label span {
  display: block;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--gray);
  margin-top: 4px;
}

/* ============================================================
   PRODUCT SNAPSHOT
   ============================================================ */
.product-snapshot {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 100px var(--pad);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.product-img-wrap {
  position: relative;
}

/* Subtle orange glow border */
.product-img-wrap::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(135deg, var(--orange-glow), transparent 60%);
}

.product-img-wrap img {
  position: relative;
  width: 100%;
  border-radius: var(--radius);
}

.product-text h2 {
  margin-bottom: 20px;
}

.product-text p {
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 14px;
}

.product-text p:last-child {
  margin-bottom: 0;
}

/* ============================================================
   FAST CHARGE COMPARISON
   ============================================================ */
.fast-charge {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 80px var(--pad);
  text-align: center;
}

.fast-charge-inner {
  max-width: 900px;
  margin: 0 auto;
}

.fast-charge-img {
  width: 100%;
  border-radius: var(--radius);
  margin-top: 40px;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.55);
}

.fast-charge-caption {
  margin-top: 20px;
  font-size: 14px;
  font-weight: 300;
  color: var(--gray);
  line-height: 1.65;
}

/* ============================================================
   BUY CTA STRIP
   ============================================================ */
.buy-cta {
  padding: 80px var(--pad);
  text-align: center;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.buy-cta h2 {
  margin-bottom: 12px;
}

.buy-cta > p {
  color: var(--gray);
  font-size: 15px;
  margin-bottom: 36px;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  max-width: 760px;
  margin: 0 auto;
  padding: 100px var(--pad);
  text-align: center;
}

.about p {
  font-size: 16px;
  line-height: 1.9;
}

/* ============================================================
   PAGE HERO  (inner pages — not home)
   ============================================================ */
.page-hero {
  padding: calc(var(--nav-h) + 64px) var(--pad) 64px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg2) 0%, var(--bg) 100%);
}

.page-hero h1 {
  font-size: clamp(32px, 4vw, 52px);
  margin-bottom: 16px;
}

.page-hero p {
  max-width: 560px;
  margin: 0 auto;
  font-size: 16px;
}

/* ============================================================
   CONTENT SECTION  (generic inner-page block)
   ============================================================ */
.content-section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px var(--pad);
}

.content-section + .content-section {
  border-top: 1px solid var(--border);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--bg3);
  border-top: 1px solid var(--border);
  padding: 40px var(--pad);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer-logo img {
  height: 26px;
  width: auto;
  opacity: 0.55;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 28px;
}

.footer-links a {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.36);
  transition: color 0.2s;
}

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

.footer-copy {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.2);
  letter-spacing: 0.04em;
}

/* ============================================================
   KEYFRAMES
   ============================================================ */
@keyframes fadeUpOnce {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Collapse product snapshot below 900px */
@media (max-width: 900px) {
  .product-snapshot {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 60px var(--pad);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --pad:   24px;
    --nav-h: 64px;
  }

  /* Hide desktop nav, show hamburger */
  .nav-links  { display: none; }
  .nav-toggle { display: flex; }

  .hero-content {
    padding: 0 24px 56px;
  }

  .hero-sub { font-size: 15px; }

  /* Benefits stack vertically */
  .benefits-inner {
    grid-template-columns: 1fr;
  }

  .benefit {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 28px 24px;
  }

  .benefit:last-child {
    border-bottom: none;
  }

  .fast-charge,
  .buy-cta,
  .about,
  .content-section {
    padding-left: 24px;
    padding-right: 24px;
  }

  .footer-links { gap: 8px 20px; }
}

/* ============================================================
   PRODUCT PAGE COMPONENTS
   (addendum — classes used by fast-charge-adapter.html and other inner pages)
   ============================================================ */

/* ── SPEC / DATA TABLE ── */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 14px;
}

.spec-table th {
  text-align: left;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray);
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}

.spec-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.55;
}

.spec-table tbody tr:last-child td {
  border-bottom: none;
}

.spec-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.spec-key {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--white);
  white-space: nowrap;
  padding-right: 24px;
  width: 1%;
}

.spec-val {
  color: var(--gray-light);
  font-weight: 300;
}

/* ── LED DOT ── */
.led-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
  flex-shrink: 0;
}

.led-pulse {
  animation: ledPulse 1.4s ease-in-out infinite;
}

.led-flash {
  animation: ledFlash 0.6s step-start infinite;
}

@keyframes ledPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.2; }
}

@keyframes ledFlash {
  0%,  49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* ── CASE NOTE ── */
.case-note {
  margin-top: 20px;
  padding: 14px 18px;
  border-left: 3px solid var(--orange);
  background: var(--orange-dim);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14px;
  font-weight: 300;
  color: var(--gray-light);
  line-height: 1.6;
}

/* ── INLINE TEXT LINK ── */
.text-link {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.2s;
}

.text-link:hover {
  opacity: 0.75;
}

/* ── "COMING SOON" IN TABLE CELL ── */
.amazon-soon-text {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.25);
}

/* ============================================================
   COMING SOON PAGE
   (addendum — classes used by coming-soon.html)
   ============================================================ */

/* ── COMING SOON HERO ── */
.cs-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 80px) var(--pad) 100px;
  overflow: hidden;
}

/* Radial orange ambient glow */
.cs-hero-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 68% 52% at 50% 38%, rgba(232, 80, 10, 0.13) 0%, transparent 70%),
    radial-gradient(ellipse 38% 28% at 50% 28%, rgba(232, 80, 10, 0.07) 0%, transparent 60%);
  pointer-events: none;
}

/* Subtle background grid */
.cs-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(ellipse 75% 75% at 50% 50%, black 25%, transparent 100%);
  mask-image: radial-gradient(ellipse 75% 75% at 50% 50%, black 25%, transparent 100%);
}

.cs-hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  animation: fadeUpOnce 0.9s ease both;
}

/* Reuse hero-eyebrow from base, override centering */
.cs-hero-content .hero-eyebrow {
  justify-content: center;
}

.cs-hero-content .hero-eyebrow::before {
  display: none;
}

.cs-hero-content h1 {
  margin-bottom: 24px;
}

.cs-hero-content .hero-sub {
  margin: 0 auto 36px;
}

/* "In Development" status badge */
.cs-badge {
  display: inline-block;
  border: 1px solid var(--orange);
  border-radius: var(--radius);
  padding: 6px 18px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
}

/* ── TEASER SECTION ── */
.cs-teaser {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}

.cs-teaser-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 72px;
  align-items: start;
}

.cs-teaser-left h2 {
  margin-top: 8px;
}

.cs-teaser-right p {
  font-size: 15px;
  line-height: 1.85;
}

/* ── CALLOUT CARD ── */
.cs-callout-card {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  background: var(--bg2);
  border: 1px solid rgba(232, 80, 10, 0.28);
  border-radius: var(--radius);
  padding: 48px 52px;
  position: relative;
  overflow: hidden;
}

/* Top orange rule */
.cs-callout-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), transparent 65%);
}

/* Ambient corner glow */
.cs-callout-card::after {
  content: '';
  position: absolute;
  right: -48px; top: -48px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(232, 80, 10, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cs-callout-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 8px;
}

.cs-callout-kicker {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 6px;
}

.cs-callout-text h3 {
  margin-bottom: 10px;
}

.cs-callout-text p {
  font-size: 15px;
  max-width: 520px;
}

/* ── NOTIFY ME BOX ── */
.cs-notify-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 64px;
  text-align: center;
}

.cs-notify-box h2 {
  margin-bottom: 12px;
}

.cs-notify-sub {
  font-size: 15px;
  color: var(--gray);
  margin-bottom: 32px;
}

.cs-email-row {
  display: flex;
  gap: 0;
  max-width: 480px;
  margin: 0 auto 14px;
}

.cs-email-input {
  flex: 1;
  background: var(--bg3);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-right: none;
  border-radius: var(--radius) 0 0 var(--radius);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 0 18px;
  height: 50px;
  outline: none;
  transition: border-color 0.2s;
  -webkit-appearance: none;
}

.cs-email-input:focus {
  border-color: var(--orange);
}

.cs-email-input::placeholder {
  color: rgba(255, 255, 255, 0.28);
}

.cs-notify-btn {
  border-radius: 0 var(--radius) var(--radius) 0;
  height: 50px;
  padding: 0 28px;
  white-space: nowrap;
}

.cs-form-note {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.25);
  font-style: italic;
}

/* ── BACK BANNER ── */
.cs-back-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 36px 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg2);
}

.cs-back-text .section-label {
  margin-bottom: 8px;
}

.cs-back-text h3 {
  font-size: clamp(17px, 2vw, 22px);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .cs-teaser-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .cs-hero {
    padding-bottom: 72px;
  }

  .cs-callout-card {
    flex-direction: column;
    padding: 36px 24px;
    gap: 20px;
  }

  .cs-notify-box {
    padding: 40px 24px;
  }

  .cs-email-row {
    flex-direction: column;
  }

  .cs-email-input {
    border-right: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius);
    margin-bottom: 8px;
  }

  .cs-notify-btn {
    border-radius: var(--radius);
    height: 48px;
    width: 100%;
    justify-content: center;
  }

  .cs-back-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 24px;
  }
}
/* ============================================================
   3D FILES PAGE
   (addendum — classes used by 3d-files.html)
   Append to the bottom of style.css.
   ============================================================ */

/* ── CASE PHOTO GALLERY ── */
.tdfiles-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.tdfiles-photo {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg2);
}

.tdfiles-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 10;
  transition: transform 0.4s ease;
}

.tdfiles-photo:hover img {
  transform: scale(1.03);
}

/* ── DOWNLOAD CARD ── */
.tdfiles-download-section {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.tdfiles-download-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  background: var(--bg3);
  border: 1px solid rgba(232, 80, 10, 0.22);
  border-radius: var(--radius);
  padding: 40px 48px;
  position: relative;
  overflow: hidden;
}

/* Top orange rule matching cs-callout-card style */
.tdfiles-download-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), transparent 65%);
}

.tdfiles-download-info h2 {
  margin: 8px 0 12px;
}

.tdfiles-download-info p {
  font-size: 15px;
  max-width: 480px;
}

.tdfiles-download-info code {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--gray-light);
}

.tdfiles-download-btns {
  display: flex;
  gap: 14px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* ── TWO-COLUMN INFO LAYOUT ── */
.tdfiles-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.tdfiles-two-col h2 {
  margin: 8px 0 16px;
}

/* ── PROP 65 NOTICE ── */
.tdfiles-prop65-section {
  padding-top: 0;
}

.tdfiles-prop65 {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 24px 28px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-left: 3px solid rgba(255, 200, 0, 0.55);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(255, 200, 0, 0.04);
  max-width: 760px;
}

.tdfiles-prop65-icon {
  flex-shrink: 0;
  margin-top: 2px;
  color: rgba(255, 200, 0, 0.7);
}

.tdfiles-prop65-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 200, 0, 0.7);
  margin-bottom: 6px !important;
}

.tdfiles-prop65 p {
  font-size: 14px;
  line-height: 1.7;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .tdfiles-two-col {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 768px) {
  .tdfiles-gallery {
    grid-template-columns: 1fr;
  }

  .tdfiles-download-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 24px;
  }

  .tdfiles-download-btns {
    width: 100%;
  }

  .tdfiles-download-btns .btn {
    flex: 1;
    justify-content: center;
  }
}
/* ============================================================
   SUPPORT PAGE
   (addendum — classes used by support.html)
   Append to the bottom of style.css.
   ============================================================ */

/* ── PAGE HEADER ── */
.sp-page-header {
  padding-top: calc(var(--nav-h) + 72px);
  padding-bottom: 80px;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(232, 80, 10, 0.08) 0%, transparent 70%),
    var(--bg);
  border-bottom: 1px solid var(--border);
}

.sp-page-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.sp-page-header h1 {
  margin-bottom: 24px;
}

.sp-intro {
  font-size: 18px;
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.75;
}

/* ── SHARED SECTION WRAPPER ── */
.sp-section {
  padding: 80px 0;
}

.sp-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* ── FAQ LIST ── */
.sp-faq-list {
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

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

.sp-faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  width: 100%;
  background: none;
  border: none;
  color: var(--white);
  font-family: var(--font-display);
  font-size: clamp(16px, 1.6vw, 20px);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-align: left;
  padding: 28px 0;
  cursor: pointer;
  transition: color 0.2s;
}

.sp-faq-q:hover {
  color: var(--orange);
}

/* Plus / × icon */
.sp-faq-icon {
  flex-shrink: 0;
  position: relative;
  width: 24px;
  height: 24px;
  border: 1.5px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  transition: border-color 0.25s, transform 0.35s cubic-bezier(.4,0,.2,1);
}

.sp-faq-icon::before,
.sp-faq-icon::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 10px;
  height: 1.5px;
  background: var(--gray);
  border-radius: 1px;
  transform: translate(-50%, -50%);
  transition: background 0.2s, transform 0.35s cubic-bezier(.4,0,.2,1);
}

.sp-faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

/* Open state */
.sp-faq-item.open .sp-faq-q {
  color: var(--orange);
}

.sp-faq-item.open .sp-faq-icon {
  border-color: var(--orange);
  transform: rotate(45deg);
}

.sp-faq-item.open .sp-faq-icon::before,
.sp-faq-item.open .sp-faq-icon::after {
  background: var(--orange);
}

/* Height animation via CSS grid trick */
.sp-faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s cubic-bezier(.4,0,.2,1);
}

.sp-faq-item.open .sp-faq-answer {
  grid-template-rows: 1fr;
}

.sp-faq-answer-inner {
  overflow: hidden;
}

.sp-faq-answer-inner p {
  padding-bottom: 28px;
  font-size: 15px;
  line-height: 1.8;
  max-width: 680px;
  color: var(--gray-light);
}

.sp-faq-answer-inner a {
  color: var(--orange);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.2s;
}

.sp-faq-answer-inner a:hover {
  opacity: 0.8;
}

/* ── CONTACT SECTION ── */
.sp-contact-section {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.sp-contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  background: var(--bg3);
  border: 1px solid rgba(232, 80, 10, 0.22);
  border-radius: var(--radius);
  padding: 48px 52px;
  position: relative;
  overflow: hidden;
}

/* Top orange rule */
.sp-contact-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), transparent 65%);
}

/* Ambient glow */
.sp-contact-card::after {
  content: '';
  position: absolute;
  right: -48px; top: -48px;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(232, 80, 10, 0.09) 0%, transparent 70%);
  pointer-events: none;
}

.sp-contact-text {
  position: relative;
}

.sp-contact-text h2 {
  margin-bottom: 10px;
}

.sp-contact-text p {
  font-size: 15px;
  max-width: 400px;
}

.sp-contact-actions {
  display: flex;
  gap: 14px;
  flex-shrink: 0;
  flex-wrap: wrap;
  position: relative;
}

/* Ensure <button> elements in contact actions
   inherit font and render identically to <a> buttons */
.sp-contact-actions .btn {
  font-family: var(--font-display);
  appearance: none;
  -webkit-appearance: none;
}

/* ── FOOTER ── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px var(--pad);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-logo {
  height: 28px;
  width: auto;
  opacity: 0.72;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-nav a {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.42);
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: var(--white);
}

.footer-copy {
  width: 100%;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.22);
  font-weight: 300;
  margin-top: 8px;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .sp-contact-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
    padding: 36px 32px;
  }
}

@media (max-width: 768px) {
  .sp-page-header {
    padding-top: calc(var(--nav-h) + 48px);
    padding-bottom: 56px;
  }

  .sp-section {
    padding: 56px 0;
  }

  .sp-inner {
    padding: 0 24px;
  }

  .sp-page-header-inner {
    padding: 0 24px;
  }

  .sp-faq-q {
    padding: 22px 0;
    font-size: 16px;
  }

  .sp-contact-card {
    padding: 28px 24px;
  }

  .sp-contact-actions {
    width: 100%;
  }

  .sp-contact-actions .btn {
    flex: 1;
    justify-content: center;
  }

  .site-footer {
    padding: 36px 24px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .footer-nav {
    gap: 16px;
  }
}

/* ============================================================
   TECH NOTES PAGE
   (addendum — classes used by tech-notes.html)
   Append to the bottom of style.css.
   ============================================================ */

/* ── PAGE HEADER ── */
.tn-page-header {
  padding-top: calc(var(--nav-h) + 72px);
  padding-bottom: 64px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, rgba(232, 80, 10, 0.06) 0%, transparent 70%),
    var(--bg);
}

.tn-page-header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.tn-page-header h1 {
  font-size: clamp(32px, 4.5vw, 56px);
  margin-bottom: 12px;
}

.tn-eyebrow {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.tn-eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--orange);
  flex-shrink: 0;
}

/* ── SHARED SECTION WRAPPER ── */
.tn-section {
  padding: 72px 0;
}

.tn-section + .tn-section {
  border-top: 1px solid var(--border);
}

.tn-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* ── SECTION HEADING ── */
.tn-section-heading {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 8px;
}

.tn-section-num {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--orange);
  text-transform: uppercase;
  flex-shrink: 0;
}

.tn-section-heading h2 {
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

.tn-section-intro {
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray-light);
  max-width: 720px;
  margin-bottom: 40px;
}

/* ── INTRO CALLOUT ── */
.tn-intro-callout {
  border-left: 3px solid var(--orange);
  padding: 20px 24px;
  background: var(--bg2);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 64px;
}

.tn-intro-callout p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray-light);
  margin: 0;
}

.tn-intro-callout a {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── TOC ── */
.tn-toc {
  display: inline-block;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 28px;
  margin-bottom: 64px;
}

.tn-toc-title {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 12px;
}

.tn-toc ol {
  list-style: none;
  counter-reset: toc-counter;
}

.tn-toc ol li {
  counter-increment: toc-counter;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 5px 0;
}

.tn-toc ol li::before {
  content: counter(toc-counter, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: var(--orange);
  min-width: 22px;
  flex-shrink: 0;
}

.tn-toc a {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--gray-light);
  transition: color 0.2s;
}

.tn-toc a:hover {
  color: var(--orange);
}

/* ── BLINK EXPLAINER CARD ── */
.tn-blink-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 36px;
  margin-bottom: 40px;
}

.tn-blink-card p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray-light);
  margin-bottom: 12px;
}

.tn-blink-card p:last-child {
  margin-bottom: 0;
}

.tn-blink-legend {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  margin: 20px 0;
  padding: 16px 20px;
  background: var(--bg3);
  border-radius: var(--radius);
}

.tn-blink-legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--gray-light);
}

.tn-flash-short {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--orange);
  flex-shrink: 0;
}

.tn-flash-long {
  display: inline-block;
  width: 28px;
  height: 14px;
  border-radius: 4px;
  background: var(--orange);
  flex-shrink: 0;
}

.tn-blink-examples {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tn-blink-example-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.tn-blink-example-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--orange);
  min-width: 120px;
  flex-shrink: 0;
}

.tn-blink-dots {
  display: flex;
  align-items: center;
  gap: 5px;
}

.tn-blink-pause {
  width: 14px;
  flex-shrink: 0;
}

.tn-blink-note {
  font-size: 13px;
  color: var(--gray);
  font-style: italic;
}

/* ── FAULT TABLES ── */
.tn-table-group {
  margin-bottom: 48px;
}

.tn-table-group-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  padding-bottom: 10px;
  margin-bottom: 0;
  border-bottom: 1px solid var(--border);
}

.tn-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tn-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.tn-table thead th {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray);
  padding: 12px 16px;
  text-align: left;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.tn-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.tn-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.025);
}

.tn-table tbody td {
  padding: 14px 16px;
  vertical-align: top;
  color: var(--gray-light);
  line-height: 1.55;
}

.tn-td-code {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--orange);
  white-space: nowrap;
}

.tn-td-binary {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--gray);
  white-space: nowrap;
  letter-spacing: 0.05em;
}

.tn-td-binary .tn-binary-sep {
  color: rgba(255,255,255,0.2);
  margin: 0 2px;
}

.tn-td-name {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.tn-td-desc {
  font-size: 14px;
  color: var(--gray-light);
  font-weight: 300;
  min-width: 200px;
}

/* ── BADGES ── */
.tn-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 3px;
  white-space: nowrap;
}

.tn-badge-fault {
  background: rgba(220, 60, 40, 0.15);
  color: #e05a4a;
  border: 1px solid rgba(220, 60, 40, 0.25);
}

.tn-badge-status {
  background: rgba(232, 80, 10, 0.12);
  color: var(--orange);
  border: 1px solid rgba(232, 80, 10, 0.25);
}

.tn-badge-info {
  background: rgba(80, 140, 220, 0.12);
  color: #78aaee;
  border: 1px solid rgba(80, 140, 220, 0.2);
}

.tn-badge-debug {
  background: rgba(138, 138, 138, 0.1);
  color: var(--gray);
  border: 1px solid rgba(138, 138, 138, 0.2);
}

/* ── CONFIGURATION SECTION ── */
.tn-config-intro {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 24px 28px;
  margin-bottom: 36px;
}

.tn-config-intro p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray-light);
  margin-bottom: 10px;
}

.tn-config-intro p:last-child {
  margin-bottom: 0;
}

.tn-config-steps {
  margin-bottom: 40px;
}

.tn-config-steps h3 {
  font-size: 16px;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  color: var(--white);
  margin-bottom: 16px;
}

.tn-steps-list {
  list-style: none;
  counter-reset: step-counter;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tn-steps-list li {
  counter-increment: step-counter;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  font-size: 15px;
  font-weight: 300;
  color: var(--gray-light);
  line-height: 1.7;
}

.tn-steps-list li span {
  min-width: 0;
  flex: 1;
}

.tn-step-em {
  font-style: normal;
  font-weight: 500;
  color: var(--white);
}

.tn-steps-list li::before {
  content: counter(step-counter);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
  background: var(--orange-dim);
  border: 1px solid rgba(232,80,10,0.28);
  border-radius: 50%;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.tn-orientation-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 40px;
}

.tn-orient-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.tn-orient-action {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--white);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.tn-orient-result {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray-light);
  line-height: 1.6;
}

.tn-mode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}

.tn-mode-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  position: relative;
}

.tn-mode-card-num {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 6px;
}

.tn-mode-card-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.tn-mode-settings {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.tn-mode-settings li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 300;
  color: var(--gray-light);
}

.tn-mode-settings li .tn-setting-num {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: var(--gray);
  min-width: 14px;
  text-align: right;
  flex-shrink: 0;
}

.tn-mode-default {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--gray);
}

.tn-mode-default span {
  color: var(--orange);
}

.tn-mode-note {
  margin-top: 8px;
  font-size: 12px;
  color: var(--gray);
  font-style: italic;
  line-height: 1.55;
}

/* Action-only modes (Reset / Factory reset) */
.tn-mode-card.tn-mode-action {
  border-color: rgba(232,80,10,0.2);
}

/* ── FIRMWARE NOTICE ── */
.tn-firmware-box {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: var(--orange-dim);
  border: 1px solid rgba(232,80,10,0.28);
  border-radius: var(--radius);
  padding: 24px 28px;
}

.tn-firmware-badge {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--orange);
  background: rgba(232,80,10,0.15);
  border: 1px solid rgba(232,80,10,0.3);
  border-radius: 4px;
  padding: 6px 12px;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 2px;
}

.tn-firmware-box p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray-light);
  margin: 0;
}

.tn-firmware-box strong {
  color: var(--white);
  font-weight: 500;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .tn-orientation-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .tn-page-header {
    padding-top: calc(var(--nav-h) + 48px);
    padding-bottom: 48px;
  }

  .tn-section {
    padding: 56px 0;
  }

  .tn-inner {
    padding: 0 24px;
  }

  .tn-page-header-inner {
    padding: 0 24px;
  }

  .tn-blink-card {
    padding: 24px 20px;
  }

  .tn-table thead th,
  .tn-table tbody td {
    padding: 10px 12px;
  }

  .tn-firmware-box {
    flex-direction: column;
    gap: 14px;
  }

  .tn-toc {
    width: 100%;
  }
}

/* ── CHECK HINT (table description inline tag) ── */
.tn-check-hint {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 3px;
  padding: 2px 7px;
  vertical-align: middle;
  margin-left: 4px;
}

/* ── INLINE MODE NOTE ── */
.tn-mode-note-inline {
  font-size: 12px;
  font-weight: 400;
  color: var(--gray);
  font-style: italic;
}

/* ── DOWNLOAD CARD ── */
.tn-download-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 28px 32px;
}

.tn-download-card-text {
  flex: 1;
  min-width: 0;
}

.tn-download-card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.tn-download-card-meta {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 10px;
}

.tn-download-card-desc {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray-light);
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 600px) {
  .tn-download-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding: 24px 20px;
  }

  .tn-download-card .btn {
    width: 100%;
    justify-content: center;
  }
}