/* ============================================================
   ultrastream8K.shop — Shared Design System
   /css/main.css
   ============================================================ */

:root {
  /* Color palette — light theme, one restrained amber accent */
  --c-white:          #FFFFFF;
  --c-off-white:      #F8F7F5;
  --c-surface:        #F2F1EE;
  --c-border:         #E0DDD9;
  --c-border-strong:  #C8C5C1;

  --c-text:           #1C1B19;
  --c-text-secondary: #4A4844;
  --c-text-muted:     #706D6A;

  --c-charcoal:       #272523;
  --c-graphite:       #3D3B38;

  /* ONE accent: deep amber / copper — not blue, not green, not gold, not red */
  --c-accent:         #C06030;
  --c-accent-hover:   #A04E26;
  --c-accent-light:   #F5E6DA;

  /* Typography */
  --f-base:  -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --fw-normal:   400;
  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     700;

  --lh-tight: 1.25;
  --lh-base:  1.65;
  --lh-loose: 1.8;

  /* Spacing */
  --s-1:  0.25rem;
  --s-2:  0.5rem;
  --s-3:  0.75rem;
  --s-4:  1rem;
  --s-5:  1.25rem;
  --s-6:  1.5rem;
  --s-8:  2rem;
  --s-10: 2.5rem;
  --s-12: 3rem;
  --s-16: 4rem;
  --s-20: 5rem;

  /* Radii */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 16px;
  --r-xl: 24px;

  /* Shadows */
  --sh-sm:  0 1px 3px rgba(0,0,0,0.07);
  --sh-md:  0 2px 10px rgba(0,0,0,0.09);
  --sh-lg:  0 4px 24px rgba(0,0,0,0.12);

  /* Transitions */
  --t-fast: 140ms ease;
  --t-base: 200ms ease;

  --container-max: 1200px;
}

/* ============================================================
   RESET
   ============================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--f-base);
  font-size: 1rem;
  line-height: var(--lh-base);
  color: var(--c-text);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--c-accent);
  text-decoration: none;
  transition: color var(--t-fast);
}
a:hover, a:focus { color: var(--c-accent-hover); text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; border-radius: var(--r-sm); }

ul, ol { padding-left: 1.5rem; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--c-charcoal);
}

h1 { font-size: clamp(1.75rem, 4vw, 2.625rem); }
h2 { font-size: clamp(1.5rem,  3vw, 2rem);      }
h3 { font-size: clamp(1.2rem,  2vw, 1.375rem);  }
h4 { font-size: 1.125rem; }

p { margin-bottom: var(--s-4); }
strong { font-weight: var(--fw-semibold); }

/* ============================================================
   LAYOUT
   ============================================================ */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--s-4);
}
@media (min-width: 768px) { .container { padding: 0 var(--s-8); } }

.section { padding: var(--s-16) 0; }
.section--alt  { background: var(--c-off-white); }
.section--dark { background: var(--c-charcoal); color: rgba(255,255,255,.85); }
.section--dark h2,
.section--dark h3 { color: var(--c-white); }

.section__header { margin-bottom: var(--s-10); }
.section__title  { margin-bottom: var(--s-3); }
.section__subtitle {
  font-size: 1.0625rem;
  color: var(--c-text-secondary);
  max-width: 620px;
  margin-bottom: 0;
}

/* ============================================================
   HEADER
   ============================================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-white);
  border-bottom: 1px solid var(--c-border);
  box-shadow: var(--sh-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: var(--s-4);
}

.header__logo {
  font-size: 1.125rem;
  font-weight: var(--fw-bold);
  color: var(--c-charcoal);
  text-decoration: none;
  letter-spacing: -.02em;
  flex-shrink: 0;
}
.header__logo span { color: var(--c-accent); }
.header__logo:hover,
.header__logo:focus { color: var(--c-charcoal); text-decoration: none; }

/* Desktop nav */
.header__nav {
  display: none;
  align-items: center;
  gap: var(--s-1);
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
  justify-content: center;
}
@media (min-width: 1024px) { .header__nav { display: flex; } }

.header__nav-item { position: relative; }

.header__nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: var(--s-2) var(--s-3);
  font-size: .875rem;
  font-weight: var(--fw-medium);
  color: var(--c-text-secondary);
  border-radius: var(--r-sm);
  transition: background var(--t-fast), color var(--t-fast);
  white-space: nowrap;
  text-decoration: none;
}
.header__nav-link:hover,
.header__nav-link:focus { color: var(--c-charcoal); background: var(--c-surface); text-decoration: none; }
.header__nav-link--active { color: var(--c-accent); font-weight: var(--fw-semibold); }

.header__nav-chevron {
  width: 14px; height: 14px;
  transition: transform var(--t-base);
  flex-shrink: 0;
}
.header__nav-item:hover .header__nav-chevron,
.header__nav-item:focus-within .header__nav-chevron { transform: rotate(180deg); }

/* Dropdown */
.header__dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 290px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  box-shadow: var(--sh-lg);
  padding: var(--s-2);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-base), visibility var(--t-base), transform var(--t-base);
  z-index: 200;
}
.header__nav-item:hover .header__dropdown,
.header__nav-item:focus-within .header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.header__dropdown-item {
  display: flex;
  flex-direction: column;
  padding: var(--s-2) var(--s-3);
  border-radius: var(--r-sm);
  font-size: .875rem;
  color: var(--c-text-secondary);
  transition: background var(--t-fast), color var(--t-fast);
  text-decoration: none;
}
.header__dropdown-item:hover,
.header__dropdown-item:focus { background: var(--c-surface); color: var(--c-charcoal); text-decoration: none; }
.header__dropdown-item strong { font-weight: var(--fw-semibold); color: var(--c-charcoal); }
.header__dropdown-item span { font-size: .8125rem; color: var(--c-text-muted); margin-top: 1px; }

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex-shrink: 0;
}

/* Mobile toggle */
.header__menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  cursor: pointer;
  color: var(--c-text);
  transition: background var(--t-fast);
}
.header__menu-btn:hover { background: var(--c-surface); }
@media (min-width: 1024px) { .header__menu-btn { display: none; } }

/* Mobile nav panel */
.mobile-nav {
  display: none;
  background: var(--c-white);
  border-top: 1px solid var(--c-border);
}
.mobile-nav--open { display: block; }

.mobile-nav__section-label {
  padding: var(--s-4) var(--s-6) var(--s-1);
  font-size: .75rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--c-text-muted);
}
.mobile-nav__link {
  display: block;
  padding: var(--s-3) var(--s-6);
  font-size: .9375rem;
  color: var(--c-text-secondary);
  border-left: 3px solid transparent;
  text-decoration: none;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.mobile-nav__link:hover,
.mobile-nav__link:focus { background: var(--c-accent-light); color: var(--c-accent); border-left-color: var(--c-accent); text-decoration: none; }
.mobile-nav__link--sub { padding-left: var(--s-10); font-size: .875rem; }

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: .6875rem var(--s-6);
  font-size: .9375rem;
  font-weight: var(--fw-semibold);
  border-radius: var(--r-md);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--t-base), color var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
  white-space: nowrap;
  line-height: 1;
}
.btn:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }

.btn--primary {
  background: var(--c-accent);
  color: var(--c-white);
  border-color: var(--c-accent);
}
.btn--primary:hover,
.btn--primary:focus { background: var(--c-accent-hover); border-color: var(--c-accent-hover); color: var(--c-white); text-decoration: none; box-shadow: var(--sh-md); }

.btn--secondary {
  background: transparent;
  color: var(--c-charcoal);
  border-color: var(--c-border-strong);
}
.btn--secondary:hover,
.btn--secondary:focus { background: var(--c-surface); border-color: var(--c-charcoal); color: var(--c-charcoal); text-decoration: none; }

.btn--ghost-white {
  background: transparent;
  color: var(--c-white);
  border-color: rgba(255,255,255,.45);
}
.btn--ghost-white:hover,
.btn--ghost-white:focus { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.8); color: var(--c-white); text-decoration: none; }

.btn--sm { padding: .5rem var(--s-4); font-size: .875rem; }
.btn--lg { padding: .875rem var(--s-8); font-size: 1.0625rem; }

/* ============================================================
   HERO
   ============================================================ */

.hero {
  padding: var(--s-16) 0 var(--s-20);
  background: var(--c-off-white);
  border-bottom: 1px solid var(--c-border);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-10);
  align-items: center;
}
@media (min-width: 820px) {
  .hero__inner { grid-template-columns: 56fr 44fr; }
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-1) var(--s-3);
  background: var(--c-accent-light);
  color: var(--c-accent);
  font-size: .75rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: .07em;
  border-radius: var(--r-xl);
  margin-bottom: var(--s-4);
}

.hero__title {
  font-size: clamp(1.875rem, 5vw, 2.75rem);
  margin-bottom: var(--s-5);
  line-height: 1.15;
}

.hero__lead {
  font-size: 1.0625rem;
  color: var(--c-text-secondary);
  margin-bottom: var(--s-8);
  line-height: var(--lh-loose);
}

.hero__actions { display: flex; flex-wrap: wrap; gap: var(--s-3); }

.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__img {
  width: 100%;
  max-width: 480px;
  border-radius: var(--r-lg);
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

/* ============================================================
   PILLAR CARDS GRID
   ============================================================ */

.pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-5);
}
@media (min-width: 640px)  { .pillars-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .pillars-grid { grid-template-columns: repeat(3, 1fr); } }

/* 5th card centered on 3-col layout */
@media (min-width: 1024px) {
  .pillars-grid__item:nth-child(4) { grid-column: 1; }
  .pillars-grid__item:nth-child(5) { grid-column: 2; }
}

/* ============================================================
   CARD
   ============================================================ */

.card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  transition: box-shadow var(--t-base), border-color var(--t-base), transform var(--t-base);
}
.card:hover { box-shadow: var(--sh-md); border-color: var(--c-border-strong); }

.card--pillar {
  display: flex;
  flex-direction: column;
}
.card--pillar:hover { transform: translateY(-2px); }

.card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  background: var(--c-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--s-4);
  flex-shrink: 0;
}
.card__icon svg { width: 22px; height: 22px; color: var(--c-accent); }

.card__eyebrow {
  font-size: .75rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--c-accent);
  margin-bottom: var(--s-2);
}

.card__title {
  font-size: 1.0625rem;
  font-weight: var(--fw-semibold);
  color: var(--c-charcoal);
  margin-bottom: var(--s-3);
}

.card__text {
  font-size: .875rem;
  color: var(--c-text-secondary);
  line-height: var(--lh-base);
  margin-bottom: var(--s-4);
  flex: 1;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .875rem;
  font-weight: var(--fw-semibold);
  color: var(--c-accent);
  text-decoration: none;
  margin-top: auto;
}
.card__link:hover { text-decoration: underline; }
.card__link svg { width: 14px; height: 14px; }

/* ============================================================
   TABLES
   ============================================================ */

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  margin: var(--s-6) 0;
}

table { width: 100%; border-collapse: collapse; font-size: .875rem; }
thead { background: var(--c-surface); }
th {
  padding: var(--s-3) var(--s-4);
  text-align: left;
  font-weight: var(--fw-semibold);
  color: var(--c-charcoal);
  white-space: nowrap;
  border-bottom: 2px solid var(--c-border);
}
td {
  padding: var(--s-3) var(--s-4);
  color: var(--c-text-secondary);
  border-bottom: 1px solid var(--c-border);
  vertical-align: top;
}
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--c-off-white); }

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--r-xl);
  font-size: .75rem;
  font-weight: var(--fw-medium);
}
.tag--ok    { background: #EAF3EA; color: #2A6E2A; }
.tag--warn  { background: #FFF4E5; color: #8A5A00; }
.tag--na    { background: var(--c-surface); color: var(--c-text-muted); }

/* ============================================================
   STEPS
   ============================================================ */

.steps { list-style: none; padding: 0; margin: var(--s-6) 0; }

.steps__item {
  display: flex;
  gap: var(--s-5);
  padding-bottom: var(--s-6);
  position: relative;
}
.steps__item:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 15px;
  top: 38px;
  bottom: 0;
  width: 2px;
  background: var(--c-border);
}

.steps__num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--c-accent);
  color: var(--c-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8125rem;
  font-weight: var(--fw-bold);
  position: relative;
  z-index: 1;
}

.steps__body { flex: 1; padding-top: 4px; }
.steps__title { font-size: 1rem; font-weight: var(--fw-semibold); margin-bottom: var(--s-2); color: var(--c-charcoal); }
.steps__text  { font-size: .875rem; color: var(--c-text-secondary); line-height: var(--lh-base); margin: 0; }

/* ============================================================
   CHECKLIST
   ============================================================ */

.checklist { list-style: none; padding: 0; margin: var(--s-4) 0; }
.checklist__item {
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
  padding: var(--s-3) 0;
  border-bottom: 1px solid var(--c-border);
  font-size: .875rem;
  color: var(--c-text-secondary);
}
.checklist__item:last-child { border-bottom: none; }
.checklist__dot {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--c-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}
.checklist__dot svg { width: 11px; height: 11px; color: var(--c-accent); }

/* ============================================================
   FAQ
   ============================================================ */

.faq { max-width: 800px; margin: 0 auto; }
.faq__item { border-bottom: 1px solid var(--c-border); }
.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-5) 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 1rem;
  font-weight: var(--fw-semibold);
  color: var(--c-charcoal);
  transition: color var(--t-fast);
}
.faq__question:hover { color: var(--c-accent); }
.faq__chevron {
  flex-shrink: 0;
  width: 20px; height: 20px;
  color: var(--c-text-muted);
  transition: transform var(--t-base);
}
.faq__item--open .faq__chevron { transform: rotate(180deg); color: var(--c-accent); }
.faq__answer {
  display: none;
  padding-bottom: var(--s-5);
  color: var(--c-text-secondary);
  font-size: .9375rem;
  line-height: var(--lh-loose);
}
.faq__answer p:last-child { margin-bottom: 0; }
.faq__item--open .faq__answer { display: block; }

/* ============================================================
   INLINE CTA / CALLOUT
   ============================================================ */

.callout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-5) var(--s-6);
  background: var(--c-accent-light);
  border: 1px solid var(--c-accent);
  border-left-width: 4px;
  border-radius: var(--r-md);
  margin: var(--s-8) 0;
}
.callout__text { font-size: .9375rem; font-weight: var(--fw-medium); color: var(--c-charcoal); margin: 0; }

/* ============================================================
   CONTACT PAGE
   ============================================================ */

.contact-section { background: linear-gradient(180deg, var(--c-off-white) 0%, var(--c-white) 72%); }
.contact-section__header { max-width: 720px; margin-bottom: var(--s-12); }
.contact-section__eyebrow,
.contact-info__kicker {
  margin-bottom: var(--s-2);
  color: var(--c-accent);
  font-size: .75rem;
  font-weight: var(--fw-bold);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  gap: clamp(var(--s-8), 6vw, var(--s-16));
  align-items: start;
}

.contact-info { display: grid; gap: var(--s-5); }
.contact-info__intro { padding: var(--s-2) 0 var(--s-3); }
.contact-info__title { margin-bottom: var(--s-3); font-size: clamp(1.5rem, 3vw, 2rem); }
.contact-info__text { margin: 0; color: var(--c-text-secondary); }

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: var(--s-4);
  padding: var(--s-6);
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-sm);
  transition: border-color var(--t-base), box-shadow var(--t-base), transform var(--t-base);
}
.contact-card:hover { border-color: var(--c-accent); box-shadow: var(--sh-md); transform: translateY(-2px); }
.contact-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  color: var(--c-accent);
  background: var(--c-accent-light);
  border-radius: var(--r-md);
}
.contact-card__icon svg { width: 22px; height: 22px; }
.contact-card__body { min-width: 0; flex: 1; }
.contact-card__label { margin-bottom: var(--s-1); color: var(--c-accent); font-size: .75rem; font-weight: var(--fw-semibold); text-transform: uppercase; letter-spacing: .06em; }
.contact-card__title { margin-bottom: var(--s-2); font-size: 1.0625rem; }
.contact-card__text { margin-bottom: var(--s-4); color: var(--c-text-secondary); font-size: .875rem; }
.contact-card__action { width: 100%; justify-content: center; }
.contact-card__email { display: inline-block; font-weight: var(--fw-semibold); overflow-wrap: anywhere; }

.contact-form-panel {
  padding: clamp(var(--s-6), 4vw, var(--s-10));
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-lg);
}
.contact-form-panel__header { margin-bottom: var(--s-8); }
.contact-form-panel__header h2 { margin-bottom: var(--s-3); font-size: clamp(1.4rem, 2.5vw, 1.75rem); }
.contact-form-panel__header p,
.contact-form-panel__note { color: var(--c-text-secondary); font-size: .9375rem; }
.contact-form-panel__header p { margin-bottom: 0; }
.contact-form { display: grid; gap: var(--s-5); }
.form-group { display: grid; gap: var(--s-2); }
.form-group label { color: var(--c-charcoal); font-size: .875rem; font-weight: var(--fw-semibold); }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: .8rem .95rem;
  color: var(--c-text);
  font: inherit;
  line-height: 1.5;
  background: var(--c-off-white);
  border: 1px solid var(--c-border-strong);
  border-radius: var(--r-md);
  outline: none;
  transition: background var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}
.form-group textarea { min-height: 150px; resize: vertical; }
.form-group input:hover,
.form-group textarea:hover { border-color: var(--c-accent); }
.form-group input:focus,
.form-group textarea:focus { background: var(--c-white); border-color: var(--c-accent); box-shadow: 0 0 0 3px rgba(192, 96, 48, .14); }
.contact-form__notice { margin: calc(var(--s-2) * -1) 0 0; color: var(--c-text-muted); font-size: .8125rem; }
.contact-form__submit { width: 100%; justify-content: center; padding-top: .85rem; padding-bottom: .85rem; }
.contact-form-panel__note { margin: var(--s-6) 0 0; padding-top: var(--s-5); border-top: 1px solid var(--c-border); font-size: .8125rem; line-height: 1.65; }

/* ============================================================
   CTA BANNER
   ============================================================ */

.cta-banner { background: var(--c-charcoal); padding: var(--s-16) 0; }
.cta-banner__inner { text-align: center; max-width: 640px; margin: 0 auto; }
.cta-banner__title { font-size: clamp(1.5rem, 3vw, 2rem); color: var(--c-white); margin-bottom: var(--s-3); }
.cta-banner__text  { color: rgba(255,255,255,.72); font-size: 1.0625rem; margin-bottom: var(--s-8); }
.cta-banner__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--s-3); }

/* ============================================================
   CONVERSION SECTIONS
   ============================================================ */

.device-trust { padding: var(--s-6) 0; background: var(--c-white); border-bottom: 1px solid var(--c-border); }
.device-trust__eyebrow,
.pricing-section__eyebrow,
.reviews-section__eyebrow,
.conversion-cta__eyebrow {
  margin-bottom: var(--s-2);
  color: var(--c-accent);
  font-size: .75rem;
  font-weight: var(--fw-semibold);
  letter-spacing: .09em;
  text-transform: uppercase;
}
.device-trust__eyebrow { text-align: center; color: var(--c-text-muted); }
.device-trust__list { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: var(--s-4) var(--s-8); }
.device-trust__item { display: inline-flex; align-items: center; gap: var(--s-2); color: var(--c-text-muted); font-size: .8125rem; font-weight: var(--fw-medium); white-space: nowrap; }
.device-trust__icon { width: 22px; height: 22px; color: var(--c-border-strong); }

.pricing-section { background: var(--c-off-white); }
.pricing-section__subtitle { margin-left: auto; margin-right: auto; }
.pricing-grid, .reviews-grid { display: grid; grid-template-columns: 1fr; gap: var(--s-5); align-items: stretch; }
.pricing-card { position: relative; display: flex; flex-direction: column; padding: var(--s-8) var(--s-6) var(--s-6); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--r-lg); box-shadow: var(--sh-sm); }
.pricing-card--featured { border: 2px solid var(--c-accent); box-shadow: var(--sh-lg); }
.pricing-card__badge { position: absolute; top: 0; left: 50%; transform: translate(-50%, -50%); padding: var(--s-1) var(--s-3); background: var(--c-accent); color: var(--c-white); border-radius: var(--r-xl); font-size: .6875rem; font-weight: var(--fw-bold); letter-spacing: .04em; white-space: nowrap; }
.pricing-card__duration { margin-bottom: var(--s-2); color: var(--c-accent); font-size: .8125rem; font-weight: var(--fw-semibold); text-transform: uppercase; letter-spacing: .08em; }
.pricing-card__title { margin-bottom: var(--s-4); font-size: 1.25rem; }
.pricing-card__price { margin-bottom: 0; color: var(--c-charcoal); font-size: 3rem; font-weight: var(--fw-bold); line-height: 1; }
.pricing-card__price span { margin-right: 2px; font-size: 1.25rem; vertical-align: top; }
.pricing-card__note { margin: var(--s-2) 0 var(--s-6); color: var(--c-text-muted); font-size: .8125rem; }
.pricing-card__features { display: grid; gap: var(--s-3); margin: 0 0 var(--s-8); padding: 0; list-style: none; color: var(--c-text-secondary); font-size: .875rem; }
.pricing-card__features li { display: flex; gap: var(--s-2); align-items: flex-start; }
.pricing-card__features li::before { content: '\2713'; color: var(--c-accent); font-weight: var(--fw-bold); }
.pricing-card__button { width: 100%; margin-top: auto; }
.review-card { display: flex; flex-direction: column; padding: var(--s-6); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--r-lg); }
.review-card__stars { display: flex; gap: 2px; margin-bottom: var(--s-5); color: #C58B28; }
.review-card__stars svg { width: 17px; height: 17px; fill: currentColor; }
.review-card blockquote { flex: 1; margin: 0 0 var(--s-6); color: var(--c-text-secondary); font-size: .9375rem; line-height: var(--lh-loose); }
.review-card__author { margin: 0; color: var(--c-charcoal); font-size: .875rem; font-weight: var(--fw-semibold); }
.review-card__author span { display: block; margin-top: 2px; color: var(--c-text-muted); font-size: .75rem; font-weight: var(--fw-normal); }

.conversion-cta { padding: var(--s-12) 0; background: linear-gradient(115deg, #272523 0%, #49352B 52%, #8F482B 100%); }
.conversion-cta__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--s-8); }
.conversion-cta__eyebrow { color: #E8B28E; }
.conversion-cta__title { margin-bottom: var(--s-3); color: var(--c-white); font-size: clamp(1.5rem, 3vw, 2.25rem); }
.conversion-cta__text { margin: 0; color: rgba(255,255,255,.76); font-size: 1.0625rem; }
.btn--light { background: var(--c-white); border-color: var(--c-white); color: var(--c-charcoal); }
.btn--light:hover, .btn--light:focus { background: var(--c-accent-light); border-color: var(--c-accent-light); color: var(--c-charcoal); text-decoration: none; }

@media (min-width: 700px) {
  .pricing-grid, .reviews-grid { grid-template-columns: repeat(3, 1fr); }
  .pricing-card--featured { transform: translateY(-8px); }
}
@media (max-width: 699px) {
  .conversion-cta__inner { align-items: flex-start; flex-direction: column; }
  .conversion-cta__button { width: 100%; }
}

/* ============================================================
   Z-PATTERN SPLIT
   ============================================================ */

.z-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-8);
  align-items: center;
  margin-bottom: var(--s-12);
}
@media (min-width: 768px) {
  .z-split { grid-template-columns: 56fr 44fr; }
  .z-split--reverse > :first-child { order: 2; }
  .z-split--reverse > :last-child  { order: 1; }
}

.z-split__visual {
  display: flex;
  justify-content: center;
}

.z-split__img {
  width: 100%;
  max-width: 420px;
  border-radius: var(--r-lg);
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background: var(--c-charcoal);
  color: rgba(255,255,255,.65);
  padding: var(--s-16) 0 var(--s-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-8) var(--s-6);
  margin-bottom: var(--s-12);
}
@media (min-width: 768px) {
  .footer__grid { grid-template-columns: 2fr repeat(3, 1fr); }
  .footer__brand { grid-column: 1; }
}
.footer__brand { grid-column: 1 / -1; }
@media (min-width: 768px) { .footer__brand { grid-column: 1; } }

.footer__logo {
  font-size: 1.125rem;
  font-weight: var(--fw-bold);
  color: var(--c-white);
  text-decoration: none;
  display: inline-block;
  margin-bottom: var(--s-3);
}
.footer__logo span { color: var(--c-accent); }
.footer__logo:hover { color: var(--c-white); text-decoration: none; }

.footer__tagline { font-size: .875rem; line-height: var(--lh-base); margin-bottom: 0; }

.footer__heading {
  font-size: .75rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--c-white);
  margin-bottom: var(--s-4);
}

.footer__list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.footer__link {
  font-size: .875rem;
  color: rgba(255,255,255,.6);
  text-decoration: none;
  transition: color var(--t-fast);
}
.footer__link:hover,
.footer__link:focus { color: var(--c-white); text-decoration: none; }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: var(--s-6);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-3);
  font-size: .8125rem;
  color: rgba(255,255,255,.4);
}

.footer__legal { display: flex; flex-wrap: wrap; gap: var(--s-5); }
.footer__legal-link { color: rgba(255,255,255,.4); text-decoration: none; transition: color var(--t-fast); }
.footer__legal-link:hover { color: rgba(255,255,255,.75); }

/* ============================================================
   WHATSAPP FLOAT BUTTON
   ============================================================ */

.wa-float {
  position: fixed;
  bottom: var(--s-6);
  right: var(--s-6);
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-5);
  background: var(--c-charcoal);
  color: var(--c-white);
  font-size: .875rem;
  font-weight: var(--fw-semibold);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-lg);
  text-decoration: none;
  transition: transform var(--t-base), box-shadow var(--t-base);
}
.wa-float:hover,
.wa-float:focus { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,.18); color: var(--c-white); text-decoration: none; }
.wa-float svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ============================================================
   UTILITIES
   ============================================================ */

.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;
}

.text-accent   { color: var(--c-accent); }
.text-muted    { color: var(--c-text-muted); }
.text-center   { text-align: center; }
.text-sm       { font-size: .875rem; }
.text-xs       { font-size: .8125rem; }
.mt-4          { margin-top: var(--s-4); }
.mt-6          { margin-top: var(--s-6); }
.mt-8          { margin-top: var(--s-8); }
.mb-0          { margin-bottom: 0 !important; }
.mb-6          { margin-bottom: var(--s-6); }

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

@media (max-width: 639px) {
  .section { padding: var(--s-12) 0; }
  .hide-sm { display: none !important; }
}

:target { scroll-margin-top: 72px; }

/* ============================================================
   BREADCRUMB
   ============================================================ */

.breadcrumb { padding: var(--s-3) 0; background: var(--c-off-white); border-bottom: 1px solid var(--c-border); }
.breadcrumb__list { display: flex; flex-wrap: wrap; align-items: center; gap: .25rem var(--s-2); list-style: none; padding: 0; margin: 0; font-size: .8125rem; color: var(--c-text-muted); }
.breadcrumb__item + .breadcrumb__item::before { content: '/'; color: var(--c-border); margin-right: var(--s-2); }
.breadcrumb__link { color: var(--c-text-muted); text-decoration: none; }
.breadcrumb__link:hover { color: var(--c-accent); text-decoration: underline; }
.breadcrumb__item--current { color: var(--c-charcoal); font-weight: var(--fw-medium); }

/* ============================================================
   STEP COMPONENT (pillar variant)
   ============================================================ */

.step {
  display: flex;
  gap: var(--s-5);
  padding-bottom: var(--s-6);
  position: relative;
}
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 15px;
  top: 38px;
  bottom: 0;
  width: 2px;
  background: var(--c-border);
}
.step__number {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--c-accent);
  color: var(--c-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8125rem;
  font-weight: var(--fw-bold);
  position: relative;
  z-index: 1;
}
.step__number--sm { width: 26px; height: 26px; font-size: .75rem; }
.step__content { flex: 1; padding-top: 4px; }
.step__title { font-size: 1rem; font-weight: var(--fw-semibold); margin-bottom: var(--s-2); color: var(--c-charcoal); }
.step__text  { font-size: .875rem; color: var(--c-text-secondary); line-height: var(--lh-base); margin: 0; }

.steps--compact .step { padding-bottom: var(--s-4); }
.steps--compact .step:not(:last-child)::after { top: 32px; }

/* ============================================================
   CHECKLIST NUMBERED VARIANT
   ============================================================ */

.checklist__marker {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--c-accent);
  color: var(--c-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .6875rem;
  font-weight: var(--fw-bold);
  letter-spacing: .01em;
  margin-top: 1px;
}
.checklist__content { flex: 1; font-size: .9375rem; color: var(--c-text-secondary); line-height: var(--lh-base); }
.checklist__content strong { color: var(--c-charcoal); }

/* ============================================================
   CALLOUT VARIANTS
   ============================================================ */

.callout--info    { background: #EEF4FB; border-color: #5B9BD5; }
.callout--tip     { background: var(--c-accent-light); border-color: var(--c-accent); }
.callout--warning { background: #FDF6EC; border-color: #D4861E; }
.callout p { margin: 0; }

/* ============================================================
   FAQ ICON ALIAS (pillar variant uses faq__icon)
   ============================================================ */

.faq__icon {
  flex-shrink: 0;
  width: 20px; height: 20px;
  color: var(--c-text-muted);
  transition: transform var(--t-base);
}
.faq__item--open .faq__icon { transform: rotate(180deg); color: var(--c-accent); }

/* ============================================================
   ACTIVE STATES — DROPDOWN & MOBILE NAV
   ============================================================ */

.header__dropdown-item--active { background: var(--c-accent-light); }
.header__dropdown-item--active strong { color: var(--c-accent); }
.mobile-nav__link--active { color: var(--c-accent); font-weight: var(--fw-semibold); }
.footer__link--active { color: rgba(255,255,255,.9); }

/* ============================================================
   FOOTER COLUMN ALIASES (pillar/sub-page variant)
   ============================================================ */

.footer__col-title {
  font-size: .75rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--c-white);
  margin-bottom: var(--s-4);
}
.footer__copy { font-size: .8125rem; color: rgba(255,255,255,.4); margin: 0; }
.footer__legal-nav { display: flex; flex-wrap: wrap; gap: var(--s-5); }

/* ============================================================
   PILLARS GRID SINGLE
   ============================================================ */

/* ============================================================
   GUIDE RESPONSIVENESS AND SHARED ARTICLE COMPONENTS
   ============================================================ */

html, body { max-width: 100%; overflow-x: hidden; }

.container {
  width: 100%;
  padding-left: clamp(1rem, 4vw, 2rem);
  padding-right: clamp(1rem, 4vw, 2rem);
}

.section { overflow: clip; }
.section__header { max-width: 900px; }
.section__subtitle { line-height: 1.7; }

.hero__content,
.hero__visual,
.z-split__content,
.z-split__visual,
.article-layout__header,
.article-layout__body { min-width: 0; }

.hero__actions,
.btn-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-3);
}

.btn {
  min-height: 44px;
  border-radius: 10px;
  transition: transform var(--t-base), background var(--t-base), color var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}
.btn--primary {
  background: linear-gradient(135deg, var(--c-accent) 0%, #D47743 100%);
  border-color: var(--c-accent);
  box-shadow: 0 5px 14px rgba(192, 96, 48, .2);
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: linear-gradient(135deg, var(--c-accent-hover) 0%, var(--c-accent) 100%);
  border-color: var(--c-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(192, 96, 48, .28);
}
.btn--primary:active { transform: translateY(0); box-shadow: var(--sh-sm); }
.btn--secondary,
.btn--ghost {
  background: var(--c-white);
  border: 2px solid var(--c-border-strong);
  color: var(--c-charcoal);
}
.btn--secondary:hover,
.btn--secondary:focus-visible,
.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: var(--c-accent-light);
  border-color: var(--c-accent);
  color: var(--c-accent-hover);
  transform: translateY(-2px);
  text-decoration: none;
}
.btn--ghost-white { min-height: 44px; border-radius: 10px; }

.article-layout {
  padding: var(--s-12) 0 var(--s-16);
  background: var(--c-white);
}
.article-layout__header,
.article-layout__body {
  width: 100%;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}
.article-layout__header { margin-bottom: var(--s-10); }
.article-layout__header > img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.label,
.card__eyebrow {
  display: inline-block;
  margin-bottom: var(--s-3);
  color: var(--c-accent);
  font-size: .75rem;
  font-weight: var(--fw-semibold);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.h1 { margin-bottom: var(--s-5); font-size: clamp(1.9rem, 5vw, 2.75rem); line-height: 1.15; }
.h2 { margin: var(--s-12) 0 var(--s-4); font-size: clamp(1.45rem, 3vw, 2rem); }
.h3 { margin: var(--s-8) 0 var(--s-3); font-size: clamp(1.15rem, 2vw, 1.375rem); }
.article-layout__body > :first-child { margin-top: 0; }
.article-layout__body p,
.article-layout__body li { overflow-wrap: anywhere; }
.lead { color: var(--c-text-secondary); font-size: clamp(1rem, 2vw, 1.125rem); line-height: 1.8; }
.feature-list { display: grid; gap: var(--s-3); margin: var(--s-5) 0; padding-left: 1.25rem; color: var(--c-text-secondary); }
.feature-list li::marker { color: var(--c-accent); }

.grid { display: grid; gap: var(--s-6); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.table-wrap {
  max-width: 100%;
  margin: var(--s-6) 0;
  overscroll-behavior-x: contain;
}
.table-wrap table { min-width: 38rem; }
.table-wrap th,
.table-wrap td { overflow-wrap: anywhere; }
.table-note { color: var(--c-text-muted); font-size: .875rem; }

.cta-block {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  padding: var(--s-6);
  background: linear-gradient(135deg, var(--c-accent-light), #FFF9F4);
  border: 1px solid var(--c-accent);
  border-left-width: 4px;
  border-radius: var(--r-md);
}
.cta-block p:last-child { margin-bottom: 0; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Pricing headers on the landing page and pricing page */
.pricing-section .section__header,
section:has(.pricing-grid) .section__header {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* Equal-height guide cards with resilient image frames */
.pillars-grid__item.card--pillar {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--s-6);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-sm);
}
.pillars-grid__item.card--pillar:hover {
  box-shadow: var(--sh-lg);
  transform: translateY(-4px);
}
.card__visual {
  width: calc(100% + (2 * var(--s-6)));
  aspect-ratio: 16 / 9;
  margin: calc(-1 * var(--s-6)) calc(-1 * var(--s-6)) var(--s-6);
  overflow: hidden;
  background: #F4F4F4;
}
.card__visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.pillars-grid__item.card--pillar .card__link { margin-top: auto; }

@media (min-width: 768px) {
  .article-layout { padding-top: var(--s-16); }
  .article-layout__header { margin-bottom: var(--s-12); }
}

@media (max-width: 767px) {
  .section { padding: var(--s-12) 0; }
  .hero { padding: var(--s-12) 0 var(--s-16); }
  .hero__inner { gap: var(--s-8); }
  .hero__lead { line-height: 1.7; }
  .contact-section__header { margin-bottom: var(--s-8); }
  .contact-layout { grid-template-columns: 1fr; gap: var(--s-8); }
  .contact-form-panel { padding: var(--s-6); }
  .hero__actions,
  .btn-group { align-items: stretch; }
  .hero__actions .btn,
  .btn-group .btn { flex: 1 1 15rem; }
  .z-split { gap: var(--s-6); margin-bottom: var(--s-10); }
  .z-split--reverse > :first-child,
  .z-split--reverse > :last-child { order: initial; }
  .grid--2 { grid-template-columns: 1fr; }
  .article-layout { padding: var(--s-10) 0 var(--s-12); }
  .article-layout__header { margin-bottom: var(--s-8); }
  .article-layout__body { font-size: .96875rem; line-height: 1.75; }
  .h2 { margin-top: var(--s-10); }
  .h3 { margin-top: var(--s-6); }
  .cta-block { align-items: stretch; }
  .cta-block .btn { width: 100%; }
  .table-wrap { margin-left: 0; margin-right: 0; }
}

@media (max-width: 420px) {
  .container { padding-left: .875rem; padding-right: .875rem; }
  .btn--lg { width: 100%; padding-left: var(--s-4); padding-right: var(--s-4); }
  .pricing-card__price { font-size: 2.625rem; }
  .table-wrap table { min-width: 34rem; }
}

.pillars-grid--single { max-width: 600px; }
@media (min-width: 640px) { .pillars-grid--single { grid-template-columns: 1fr; } }