/* =====================================================
   UBEE LABS — Main Stylesheet
   Stack: CSS3 | Mobile-First | BEM | A11Y | Perf 100
   ===================================================== */

/* ===== CUSTOM PROPERTIES ===== */
:root {
  --color-bg:        #0a0a0a;
  --color-surface:   #111111;
  --color-surface-2: #161616;
  --color-border:    #1f1f1f;
  --color-accent:    #FFD600;
  --color-accent-dim:#c9a900;
  --color-text:      #ffffff;
  --color-text-2:    #aaaaaa;
  --color-text-3:    #555555;
  --color-success:   #22c55e;
  --color-error:     #ef4444;
  --color-whatsapp:  #25D366;

  --font-sans: 'Montserrat', system-ui, -apple-system, sans-serif;
  --font-display: 'Montserrat', sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-full: 9999px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.4);
  --shadow-md:  0 4px 20px rgba(0,0,0,.5);
  --shadow-lg:  0 20px 60px rgba(0,0,0,.6);
  --shadow-accent: 0 0 40px rgba(255,214,0,.15);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  --container-max: 1200px;
  --container-px:  1.25rem;
  --header-h:      72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) var(--color-surface);
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-surface); }
::-webkit-scrollbar-thumb { background: var(--color-accent); border-radius: 3px; }

::selection { background: var(--color-accent); color: #000; }

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }
input, select, textarea { font-family: inherit; }

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

.skip-link:focus {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 99999;
  background: var(--color-accent);
  color: #000;
  padding: .5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

/* ===== LOADER ===== */
#page-loader { position: fixed; inset: 0; background: var(--color-bg); z-index: 9999; display: flex; align-items: center; justify-content: center; transition: opacity .5s ease, visibility .5s ease; }
#page-loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

/* ===== CONTAINER ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

/* ===== TYPOGRAPHY UTILS ===== */
.text-accent { color: var(--color-accent); }
.d-none { display: none !important; }
@media (min-width: 768px) { .d-md-block { display: block !important; } .d-none { display: unset; } }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-weight: 600;
  font-size: .9375rem;
  line-height: 1;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border: 2px solid transparent;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-accent);
  color: #000;
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: #fff;
  border-color: #fff;
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255,214,0,.4);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-2);
  border-color: transparent;
}
.btn--ghost:hover { color: var(--color-text); }

.btn--whatsapp {
  background: var(--color-whatsapp);
  color: #fff;
  border-color: var(--color-whatsapp);
}
.btn--whatsapp:hover {
  background: #1da851;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,211,102,.4);
}

.btn--sm   { padding: .5rem 1.25rem; font-size: .8125rem; }
.btn--md   { padding: .75rem 1.75rem; }
.btn--lg   { padding: .875rem 2rem; font-size: 1rem; }
.btn--xl   { padding: 1rem 2.5rem; font-size: 1.0625rem; }
.btn--full { width: 100%; }

.btn--pulse::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  border: 2px solid var(--color-accent);
  animation: pulse-ring 2s ease-out infinite;
}
@keyframes pulse-ring {
  0%   { opacity: .8; transform: scale(1); }
  70%  { opacity: 0;  transform: scale(1.12); }
  100% { opacity: 0;  transform: scale(1.12); }
}

/* ===== SECTION COMMONS ===== */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 4rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255,214,0,.1);
  color: var(--color-accent);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .35rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,214,0,.2);
  margin-bottom: 1.25rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.03em;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--color-text-2);
  font-size: 1.0625rem;
  line-height: 1.7;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(10,10,10,.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), background var(--transition-base);
}

.header.scrolled {
  border-bottom-color: var(--color-border);
  background: rgba(10,10,10,.96);
}

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.header__logo {
  flex-shrink: 0;
  text-decoration: none;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -.04em;
  color: var(--color-text);
}
.logo-accent { color: var(--color-accent); }

.header__nav { margin-left: auto; }

.nav__list {
  display: none;
  align-items: center;
  gap: .25rem;
}

@media (min-width: 768px) {
  .nav__list { display: flex; }
}

.nav__link {
  font-size: .8rem;
  font-weight: 500;
  color: var(--color-text-2);
  padding: .5rem .875rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}
.nav__link:hover { color: var(--color-text); background: rgba(255,255,255,.05); }
.nav__link.active { color: var(--color-accent); }

.header__actions {
  display: none;
  align-items: center;
  gap: .75rem;
  flex-shrink: 0;
}

@media (min-width: 768px) { .header__actions { display: flex; } }

/* Burger */
.header__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  margin-left: auto;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.header__burger:hover { background: rgba(255,255,255,.05); }
.header__burger span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.header__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header__burger.open span:nth-child(2) { opacity: 0; }
.header__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 768px) { .header__burger { display: none; } }

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: rgba(10,10,10,.98);
  backdrop-filter: blur(20px);
  padding: 2rem 1.5rem;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  z-index: 999;
}
.mobile-nav.open { transform: translateX(0); }

.mobile-nav__list { display: flex; flex-direction: column; gap: .5rem; }
.mobile-nav__link {
  display: block;
  font-size: 1.25rem;
  font-weight: 600;
  padding: 1rem;
  border-radius: var(--radius-md);
  color: var(--color-text-2);
  transition: all var(--transition-fast);
}
.mobile-nav__link:hover { color: var(--color-accent); background: rgba(255,214,0,.05); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, black 0%, transparent 100%);
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}
.hero__glow--1 {
  width: 600px; height: 600px;
  background: rgba(255,214,0,.08);
  top: -200px; right: -100px;
}
.hero__glow--2 {
  width: 400px; height: 400px;
  background: rgba(255,214,0,.05);
  bottom: 0; left: -100px;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  padding-block: 5rem 4rem;
  position: relative;
  z-index: 1;
}

@media (min-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr 1fr; gap: 4rem; }
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .625rem;
  background: rgba(255,214,0,.08);
  border: 1px solid rgba(255,214,0,.2);
  border-radius: var(--radius-full);
  padding: .4rem 1rem .4rem .65rem;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 1.75rem;
}

.hero__badge-dot {
  width: 8px; height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: blink 2s ease infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%  { opacity: .3; }
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.04em;
  margin-bottom: 1.5rem;
}

.hero__headline-accent {
  color: var(--color-accent);
  position: relative;
}

.hero__subheadline {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  color: var(--color-text-2);
  line-height: 1.75;
  margin-bottom: 2.5rem;
  max-width: 520px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .875rem;
  color: var(--color-text-2);
}

.hero__trust-sep {
  width: 1px;
  height: 16px;
  background: var(--color-border);
}

/* Hero Mockup */
.hero__visual { display: none; }
@media (min-width: 1024px) { .hero__visual { display: flex; align-items: center; justify-content: center; } }

.hero__mockup { position: relative; }

.mockup__browser {
  width: 440px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-accent);
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.mockup__bar {
  background: var(--color-surface-2);
  height: 36px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 6px;
  border-bottom: 1px solid var(--color-border);
}
.mockup__bar span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--color-border);
}
.mockup__bar span:first-child { background: #ff5f57; }
.mockup__bar span:nth-child(2) { background: #febc2e; }
.mockup__bar span:nth-child(3) { background: #28c840; }

.mockup__screen { padding: 0; }

.mockup__ui { }
.mockup__nav { height: 40px; background: #0f0f0f; border-bottom: 1px solid #1a1a1a; }
.mockup__hero-img {
  height: 180px;
  background: linear-gradient(135deg, #111 0%, #1a1a1a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.mockup__hero-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,214,0,.1), transparent);
}
.mockup__products {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 8px;
  padding: 12px;
}
.mockup__product {
  height: 80px;
  background: #161616;
  border-radius: 6px;
  border: 1px solid #1a1a1a;
}
.mockup__product--accent { border-color: rgba(255,214,0,.3); }
.mockup__cta-bar {
  padding: 12px;
  display: flex;
  justify-content: center;
}
.mockup__cta-btn {
  height: 36px;
  width: 60%;
  background: var(--color-accent);
  border-radius: 20px;
}

.mockup__stats {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.mockup__stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: .75rem 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.mockup__stat-val {
  display: block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-accent);
}

.mockup__stat-label {
  font-size: .75rem;
  color: var(--color-text-2);
}

/* Hero scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scroll-line 1.8s ease-in-out infinite;
}

@keyframes scroll-line {
  0% { opacity: 1; transform: scaleY(1); transform-origin: top; }
  100% { opacity: 0; transform: scaleY(0); transform-origin: top; }
}

/* ===== AUTHORITY ===== */
.authority {
  padding: 4rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.authority__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

@media (min-width: 768px) {
  .authority__grid { grid-template-columns: repeat(4, 1fr); gap: 0; }
}

.authority__item {
  text-align: center;
  padding: 1.5rem;
  position: relative;
}

@media (min-width: 768px) {
  .authority__item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 25%;
    height: 50%;
    width: 1px;
    background: var(--color-border);
  }
}

.authority__number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -.03em;
  line-height: 1;
  margin-bottom: .5rem;
}

.authority__label {
  display: block;
  font-size: .9rem;
  color: var(--color-text-2);
}

/* ===== SERVICES ===== */
.services {
  padding: 6rem 0;
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .services__grid { grid-template-columns: repeat(4, 1fr); }
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: transparent;
  transition: background var(--transition-base);
}

.service-card:hover {
  border-color: rgba(255,214,0,.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), 0 0 30px rgba(255,214,0,.06);
}

.service-card:hover::before {
  background: var(--color-accent);
}

.service-card--featured {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #000;
}
.service-card--featured::before { background: rgba(0,0,0,.2); }
.service-card--featured:hover { transform: translateY(-6px); box-shadow: 0 20px 60px rgba(255,214,0,.35); }
.service-card--featured .service-card__desc,
.service-card--featured .service-card__features li,
.service-card--featured .service-card__cta { color: rgba(0,0,0,.75); }
.service-card--featured .service-card__features li::before { background: #000; }

.service-card__badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(0,0,0,.15);
  color: #000;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .25rem .625rem;
  border-radius: var(--radius-full);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  background: rgba(255,214,0,.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: transform var(--transition-base);
}
.service-card:hover .service-card__icon { transform: scale(1.05); }
.service-card--featured .service-card__icon { background: rgba(0,0,0,.1); }

.service-card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: .75rem;
  letter-spacing: -.02em;
}

.service-card__desc {
  font-size: .9rem;
  color: var(--color-text-2);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.service-card__features {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-bottom: 1.5rem;
}

.service-card__features li {
  font-size: .8125rem;
  color: var(--color-text-2);
  display: flex;
  align-items: center;
  gap: .5rem;
}

.service-card__features li::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

.service-card__cta {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--color-accent);
  transition: gap var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: .25rem;
}
.service-card__cta:hover { gap: .5rem; }

/* ===== PORTFOLIO ===== */
.portfolio {
  padding: 6rem 0;
  background: var(--color-surface);
}

.portfolio__filters {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  justify-content: center;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: .5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-text-2);
  background: transparent;
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn--active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #000;
}

.portfolio__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .portfolio__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .portfolio__grid { grid-template-columns: repeat(3, 1fr); }
}

.case-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.case-card:hover {
  border-color: rgba(255,214,0,.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.case-card__img {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.case-card__platform {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-size: .75rem;
  font-weight: 700;
  padding: .25rem .75rem;
  border-radius: var(--radius-full);
  letter-spacing: .04em;
}

.case-card__platform--tray   { background: #ff6b35; color: #fff; }
.case-card__platform--nuvem  { background: #4a90d9; color: #fff; }

.case-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}
.case-card:hover .case-card__overlay { opacity: 1; }

.case-card__results { display: flex; gap: 2rem; }

.case-result { text-align: center; }
.case-result__val { display: block; font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; color: var(--color-accent); }
.case-result__key { font-size: .75rem; color: rgba(255,255,255,.7); }

.case-card__body { padding: 1.5rem; }

.case-card__name {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: .25rem;
}

.case-card__segment {
  font-size: .8125rem;
  color: var(--color-text-2);
  margin-bottom: 1.25rem;
}

.case-card__story { display: flex; flex-direction: column; gap: .75rem; }

.case-story__item {
  display: flex;
  gap: .75rem;
  font-size: .85rem;
  line-height: 1.5;
  color: var(--color-text-2);
  align-items: flex-start;
}

.case-story__label {
  flex-shrink: 0;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: .2rem .6rem;
  border-radius: var(--radius-full);
}

.case-story__label.problem  { background: rgba(239,68,68,.15);   color: #ef4444; }
.case-story__label.solution { background: rgba(59,130,246,.15);  color: #60a5fa; }
.case-story__label.result   { background: rgba(34,197,94,.15);   color: #22c55e; }

.case-card--hidden { display: none; }

/* ===== BEFORE / AFTER ===== */
.before-after {
  padding: 6rem 0;
}

.ba__slider-wrapper {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.ba__slider {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  height: 440px;
  user-select: none;
}

.ba__label {
  position: absolute;
  top: 1rem;
  z-index: 10;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .3rem .8rem;
  border-radius: var(--radius-full);
}

.ba__label--before { left: 1rem; background: rgba(239,68,68,.9); color: #fff; }
.ba__label--after  { right: 1rem; background: rgba(34,197,94,.9); color: #fff; }

.ba__before, .ba__after {
  position: absolute;
  inset: 0;
}

.ba__before {
  z-index: 2;
  clip-path: inset(0 50% 0 0);
  background: #e0e0e0;
  transition: clip-path .02s linear;
}

.ba__after {
  z-index: 1;
  background: var(--color-surface);
}

.ba__screen {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.ba__screen--old { background: #f0f0f0; }
.ba__screen--new { background: var(--color-bg); }

.ba__divider {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  z-index: 20;
  cursor: col-resize;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  touch-action: none;
}

.ba__divider-line {
  position: absolute;
  inset: 0;
  width: 2px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
}

.ba__divider-handle {
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  box-shadow: 0 4px 20px rgba(255,214,0,.5);
  position: relative;
  z-index: 1;
  transition: transform var(--transition-fast);
}
.ba__divider:hover .ba__divider-handle { transform: scale(1.1); }

.ba__metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (min-width: 768px) {
  .ba__metrics { grid-template-columns: repeat(4, 1fr); }
}

.ba__metric {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition-base);
}

.ba__metric:hover {
  border-color: rgba(255,214,0,.3);
  transform: translateY(-3px);
}

.ba__metric-icon { display: block; font-size: 1.5rem; margin-bottom: .5rem; }
.ba__metric-val {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-accent);
}
.ba__metric-label { font-size: .8125rem; color: var(--color-text-2); }

/* ===== PLANS ===== */
.plans {
  padding: 6rem 0;
  background: var(--color-surface);
}

.plans__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .25rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: .25rem;
  width: fit-content;
  margin: 0 auto 3.5rem;
}

.plans__toggle-btn {
  padding: .5rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-text-2);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: .5rem;
}

.plans__toggle-btn--active {
  background: var(--color-accent);
  color: #000;
  font-weight: 700;
}

.plans__discount {
  font-size: .7rem;
  font-weight: 700;
  background: rgba(34,197,94,.2);
  color: var(--color-success);
  padding: .15rem .5rem;
  border-radius: var(--radius-full);
}

.plans__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .plans__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1200px) {
  .plans__grid { grid-template-columns: repeat(4, 1fr); }
}

.plan-card {
  background: var(--color-surface-2);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 24px rgba(0,0,0,.5);
}

.plan-card:hover {
  border-color: rgba(255,214,0,.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.plan-card--featured {
  border-color: var(--color-accent);
  background: linear-gradient(160deg, #141400 0%, var(--color-bg) 100%);
}
.plan-card--featured:hover { box-shadow: var(--shadow-lg), var(--shadow-accent); }

.plan-card--elite {
  border-color: rgba(255,214,0,.4);
  background: linear-gradient(160deg, #1a1400 0%, var(--color-bg) 100%);
}

.plan-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #000;
  font-size: .7375rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .3rem 1rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.plan-card__header { margin-bottom: 1.75rem; }

.plan-card__elite-badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .75rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: .5rem;
}

.plan-card__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: .35rem;
}

.plan-card__desc {
  font-size: .875rem;
  color: var(--color-text-2);
  margin-bottom: 1.25rem;
}

.plan-card__price {
  display: flex;
  align-items: flex-end;
  gap: .25rem;
}

.plan-price__currency {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-2);
  padding-bottom: .2rem;
}

.plan-price__value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-accent);
}

.plan-price__period {
  font-size: .875rem;
  color: var(--color-text-2);
  padding-bottom: .4rem;
}

.plan-card__features {
  display: flex;
  flex-direction: column;
  gap: .625rem;
  margin-bottom: 1.75rem;
  flex: 1;
}

.plan-feature {
  font-size: .875rem;
  display: flex;
  align-items: center;
  gap: .625rem;
}

.plan-feature::before {
  content: '';
  width: 18px;
  height: 18px;
  border-radius: 50%;
  flex-shrink: 0;
  background-size: 12px;
  background-position: center;
  background-repeat: no-repeat;
}

.plan-feature--included {
  color: var(--color-text);
}
.plan-feature--included::before {
  background-color: rgba(34,197,94,.15);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6l3 3 5-5' stroke='%2322c55e' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
}

.plan-feature--excluded {
  color: var(--color-text-3);
  text-decoration: line-through;
}
.plan-feature--excluded::before {
  background-color: rgba(255,255,255,.05);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M3 3l6 6M9 3l-6 6' stroke='%23555' stroke-width='1.5' stroke-linecap='round' fill='none'/%3E%3C/svg%3E");
}

.plan-card__cta { margin-bottom: .75rem; }
.plan-card__pix { font-size: .75rem; color: var(--color-text-2); text-align: center; }

.plans__guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .625rem;
  color: var(--color-text-2);
  font-size: .9rem;
  margin-top: 3rem;
}

/* ===== DIAGNOSIS ===== */
.diagnosis {
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.diagnosis::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; right: 0;
  width: 50%;
  background: var(--color-surface);
  z-index: 0;
}

.diagnosis__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  position: relative;
  z-index: 1;
}

@media (min-width: 1024px) {
  .diagnosis__inner { grid-template-columns: 1fr 1fr; }
  .diagnosis::before { display: none; }
}

.diagnosis__list {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  margin-bottom: 2.5rem;
}

.diagnosis__list li {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .9375rem;
  color: var(--color-text);
}

/* Simulator */
.diagnosis__simulator {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.simulator__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--color-accent);
}

.simulator__fields { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem; }

.simulator__label {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  font-size: .875rem;
  color: var(--color-text-2);
}

.simulator__range {
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--color-border);
  border-radius: 4px;
  outline: none;
  cursor: pointer;
}

.simulator__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--color-accent);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 0 3px rgba(255,214,0,.2);
}

.simulator__result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: rgba(255,214,0,.05);
  border: 1px solid rgba(255,214,0,.15);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.sim-result__item { text-align: center; flex: 1; }
.sim-result__label { display: block; font-size: .75rem; color: var(--color-text-2); margin-bottom: .25rem; }
.sim-result__val { display: block; font-family: var(--font-display); font-size: 1.25rem; font-weight: 800; }
.sim-result__item--highlight .sim-result__val { color: var(--color-accent); }
.sim-result__diff { display: block; font-size: .75rem; color: var(--color-success); font-weight: 600; margin-top: .25rem; }
.sim-result__arrow { font-size: 1.5rem; color: var(--color-text-2); }

/* Form */
.diagnosis__form-wrapper {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
}

.form__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.75rem;
}

.form__group { margin-bottom: 1.125rem; }
.form__label {
  display: block;
  font-size: .875rem;
  font-weight: 500;
  margin-bottom: .5rem;
  color: var(--color-text-2);
}

.form__input {
  width: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: .75rem 1rem;
  color: var(--color-text);
  font-size: .9375rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form__input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255,214,0,.1);
}

.form__input.error { border-color: var(--color-error); }
.form__textarea { resize: vertical; min-height: 90px; }

.form__error {
  display: block;
  font-size: .8rem;
  color: var(--color-error);
  margin-top: .35rem;
  min-height: 1.2em;
}

.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.form__submit { margin-top: 1.5rem; }

.form__privacy {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .75rem;
  color: var(--color-text-2);
  margin-top: .75rem;
  justify-content: center;
  text-align: center;
}

.form__success {
  text-align: center;
  padding: 2rem;
}
.form__success h4 { font-size: 1.25rem; font-weight: 700; margin: 1rem 0 .5rem; }
.form__success p { color: var(--color-text-2); }

/* ===== TESTIMONIALS ===== */
.testimonials {
  padding: 6rem 0;
  background: var(--color-surface);
}

.testimonials__slider {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .testimonials__slider { grid-template-columns: repeat(3, 1fr); }
}

.testimonial-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  border-color: rgba(255,214,0,.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.testimonial-card__stars { margin-bottom: 1rem; }

.testimonial-card__text {
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--color-text-2);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  background: rgba(255,214,0,.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .875rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.testimonial-card__author strong { display: block; font-size: .9375rem; }
.testimonial-card__author span { font-size: .8125rem; color: var(--color-text-2); }

/* ===== PROCESS ===== */
.process { padding: 6rem 0; }

.process__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  counter-reset: step;
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.process__step {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  padding: 2rem 0;
  position: relative;
}

.process__step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 28px;
  top: 60px;
  bottom: -60px;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
}

.process__step-num {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: rgba(255,214,0,.1);
  border: 1px solid rgba(255,214,0,.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -.02em;
  position: relative;
  z-index: 1;
  transition: all var(--transition-base);
}

.process__step:hover .process__step-num {
  background: var(--color-accent);
  color: #000;
  transform: scale(1.1);
}

.process__step-content { padding-top: .75rem; }

.process__step-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: .5rem;
}

.process__step-desc {
  font-size: .9375rem;
  color: var(--color-text-2);
  line-height: 1.65;
}

/* ===== FAQ ===== */
.faq {
  padding: 6rem 0;
  background: var(--color-surface);
}

.faq__grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.faq__item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq__item:has(.faq__answer.open) { border-color: rgba(255,214,0,.3); }

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-size: .9375rem;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.faq__question:hover { color: var(--color-accent); }

.faq__icon {
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--color-text-2);
}

.faq__question[aria-expanded="true"] .faq__icon { transform: rotate(180deg); color: var(--color-accent); }

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq__answer.open { max-height: 400px; }

.faq__answer p {
  padding: 0 1.5rem 1.25rem;
  font-size: .9375rem;
  color: var(--color-text-2);
  line-height: 1.7;
}

/* ===== CTA FINAL ===== */
.cta-final {
  padding: 7rem 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-final__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 50%, rgba(255,214,0,.07) 0%, transparent 70%);
}

.cta-final__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 48px 48px;
}

.cta-final__inner { position: relative; z-index: 1; }

.cta-final__eyebrow {
  display: inline-block;
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.cta-final__headline {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 4.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.04em;
  margin-bottom: 1.5rem;
}

.cta-final__sub {
  font-size: clamp(.9375rem, 2vw, 1.125rem);
  color: var(--color-text-2);
  line-height: 1.75;
  max-width: 560px;
  margin: 0 auto 3rem;
}

.cta-final__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.cta-final__trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  font-size: .875rem;
  color: var(--color-text-2);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-top: 4rem;
  padding-bottom: 2rem;
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer__top { grid-template-columns: 1.5fr 2fr; }
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -.04em;
  display: inline-block;
  margin-bottom: 1rem;
}
.footer__logo span { color: var(--color-accent); }

.footer__tagline {
  font-size: .9375rem;
  color: var(--color-text-2);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.footer__social { display: flex; gap: .75rem; }

.footer__social-link {
  width: 40px;
  height: 40px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-2);
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  background: rgba(255,214,0,.1);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.footer__nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }

.footer__col-title {
  font-size: .875rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-text-2);
  margin-bottom: 1rem;
}

.footer__col ul { display: flex; flex-direction: column; gap: .5rem; }
.footer__col a, .footer__col li {
  font-size: .9rem;
  color: var(--color-text-2);
  transition: color var(--transition-fast);
}
.footer__col a:hover { color: var(--color-accent); }

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

@media (min-width: 768px) {
  .footer__bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}

.footer__copy { font-size: .875rem; color: var(--color-text-2); }
.footer__legal { display: flex; align-items: center; gap: .75rem; font-size: .875rem; color: var(--color-text-2); }
.footer__legal a:hover { color: var(--color-accent); }

/* ===== CART BUTTON ===== */
.header__cart {
  position: relative;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.header__cart:hover { border-color: var(--color-accent); color: var(--color-accent); }

.cart-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 18px;
  height: 18px;
  background: var(--color-accent);
  color: #000;
  font-size: .65rem;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  font-family: var(--font-sans);
}

/* ===== CHECKOUT MODAL ===== */
@keyframes modal-in {
  from { transform: translateY(28px) scale(.98); opacity: 0; }
  to   { transform: translateY(0) scale(1);      opacity: 1; }
}

.checkout-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.checkout-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  cursor: pointer;
}

.checkout-box {
  position: relative;
  background: var(--color-surface);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-xl);
  padding: 1.75rem 1.5rem;
  width: 100%;
  max-width: 540px;
  max-height: 92vh;
  overflow-y: auto;
  z-index: 1;
  animation: modal-in .38s cubic-bezier(.22,.68,0,1.2);
}
@media (min-width: 640px) { .checkout-box { padding: 2.5rem; } }

.checkout-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--color-text-2);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}
.checkout-close:hover { color: var(--color-text); border-color: rgba(255,255,255,.2); }

.checkout-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-right: 2.5rem;
}
.checkout-brand__secure {
  display: flex;
  align-items: center;
  gap: .35rem;
  font-size: .75rem;
  color: var(--color-success);
  font-weight: 600;
}

/* Steps */
.checkout-steps {
  display: flex;
  align-items: flex-start;
  margin-bottom: 2rem;
}
.checkout-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
}
.checkout-step__dot {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  color: var(--color-text-3);
  transition: all var(--transition-base);
}
.checkout-step span {
  font-size: .65rem;
  font-weight: 600;
  color: var(--color-text-3);
  text-transform: uppercase;
  letter-spacing: .05em;
  white-space: nowrap;
}
.checkout-step__line {
  flex: 1;
  height: 2px;
  background: var(--color-border);
  margin: 0 .375rem;
  margin-top: 14px;
}
.checkout-step.active .checkout-step__dot { border-color: var(--color-accent); color: var(--color-accent); background: rgba(255,214,0,.08); }
.checkout-step.active span { color: var(--color-accent); }
.checkout-step.done .checkout-step__dot { border-color: var(--color-success); background: rgba(34,197,94,.1); color: var(--color-success); }
.checkout-step.done span { color: var(--color-success); }

/* Panels */
.checkout-panel { animation: modal-in .3s ease; }

.checkout-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  letter-spacing: -.02em;
}

/* Order card */
.checkout-order-card {
  background: var(--color-surface-2);
  border: 1px solid rgba(255,214,0,.15);
  border-radius: var(--radius-lg);
  padding: 1.125rem;
  margin-bottom: 1.5rem;
}
.checkout-order-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: .875rem;
}
.checkout-order-card__label {
  font-size: .7rem;
  color: var(--color-text-2);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 600;
  margin-bottom: .2rem;
}
.checkout-order-card__plan {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-accent);
}
.checkout-order-card__price-block { text-align: right; flex-shrink: 0; }
.checkout-order-card__original {
  display: block;
  font-size: .75rem;
  color: var(--color-text-3);
  text-decoration: line-through;
  margin-bottom: .1rem;
}
.checkout-order-card__price {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 800;
}
.checkout-order-card__features {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding-top: .875rem;
  border-top: 1px solid var(--color-border);
}
.checkout-order-card__features li {
  font-size: .8125rem;
  color: var(--color-text-2);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.checkout-order-card__features li::before {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Methods */
.checkout-recurring-note {
  display: flex;
  align-items: center;
  gap: .375rem;
  font-size: .75rem;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(255, 214, 0, .08);
  border: 1px solid rgba(255, 214, 0, .2);
  border-radius: var(--radius-sm);
  padding: .5rem .75rem;
  margin-bottom: 1rem;
}
.checkout-methods-title {
  font-size: .75rem;
  font-weight: 700;
  color: var(--color-text-2);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: .625rem;
}
.checkout-methods { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1.25rem; }
.checkout-method {
  display: flex;
  align-items: center;
  gap: .875rem;
  padding: .75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  transition: all var(--transition-fast);
  text-align: left;
  width: 100%;
  cursor: pointer;
}
.checkout-method:hover { border-color: rgba(255,255,255,.14); }
.checkout-method[aria-pressed="true"] { border-color: var(--color-accent); background: rgba(255,214,0,.04); }
.checkout-method__icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.checkout-method__icon--pix   { background: rgba(255,214,0,.1); }
.checkout-method__icon--boleto { background: rgba(255,255,255,.05); }
.checkout-method__icon--card  { background: rgba(99,102,241,.12); color: #818cf8; }
.checkout-method__info { flex: 1; display: flex; flex-direction: column; gap: .05rem; }
.checkout-method__info strong { font-size: .9rem; font-weight: 700; color: var(--color-text); }
.checkout-method__info span   { font-size: .775rem; color: var(--color-text-2); }
.checkout-method__badge {
  font-size: .65rem;
  font-weight: 700;
  padding: .2rem .5rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: .04em;
  white-space: nowrap;
}
.checkout-method__badge--green { background: rgba(34,197,94,.12); color: var(--color-success); border: 1px solid rgba(34,197,94,.25); }
.checkout-method__check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}
.checkout-method[aria-pressed="true"] .checkout-method__check {
  border-color: var(--color-accent);
  background: var(--color-accent);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6l3 3 4-4' stroke='%23000' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  background-size: 12px;
  background-position: center;
  background-repeat: no-repeat;
}

/* Total */
.checkout-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .875rem 1.125rem;
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  gap: 1rem;
}
.checkout-total__label { font-size: .875rem; color: var(--color-text-2); font-weight: 600; }
.checkout-total__value { font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; color: var(--color-accent); display: block; }
.checkout-total__note { display: block; font-size: .75rem; color: var(--color-success); font-weight: 600; text-align: right; }

/* Mini summary (step 2) */
.co-mini-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .625rem 1rem;
  background: rgba(255,214,0,.06);
  border: 1px solid rgba(255,214,0,.14);
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  font-size: .875rem;
  gap: .75rem;
}
.co-mini-summary strong { font-family: var(--font-display); font-weight: 800; color: var(--color-accent); white-space: nowrap; }

/* Card divider */
.co-card-divider {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin: 1.25rem 0 1rem;
  font-size: .75rem;
  color: var(--color-text-3);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 600;
}
.co-card-divider::before, .co-card-divider::after { content: ''; flex: 1; height: 1px; background: var(--color-border); }

/* Checkout actions */
.checkout-actions { display: flex; gap: .75rem; margin-top: 1.5rem; }

.checkout-security-note {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .725rem;
  color: var(--color-text-3);
  margin-top: .875rem;
}

/* ── Result (step 3) ── */
.checkout-result-pix,
.checkout-result-boleto,
.checkout-result-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: .5rem 0;
  text-align: center;
}
.co-result-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.co-result-icon--pix     { background: rgba(255,214,0,.1); border: 2px solid rgba(255,214,0,.3); }
.co-result-icon--success { background: rgba(34,197,94,.1); border: 2px solid rgba(34,197,94,.3); }
.co-result-title { font-family: var(--font-display); font-size: 1.375rem; font-weight: 800; }
.co-result-desc  { font-size: .9rem; color: var(--color-text-2); line-height: 1.65; max-width: 340px; }

.co-pix-box {
  width: 100%;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.125rem;
}
.co-pix-copy { display: flex; gap: .5rem; margin-top: .75rem; }
.co-pix-copy input {
  flex: 1;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: .5rem .75rem;
  font-size: .8rem;
  color: var(--color-text);
  font-family: monospace;
}
.co-pix-expire { font-size: .8125rem; color: var(--color-text-2); }

.co-boleto-code {
  width: 100%;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: .875rem 1rem;
  font-family: monospace;
  font-size: .8rem;
  color: var(--color-text-2);
  word-break: break-all;
  text-align: center;
}
.co-protocol-box {
  background: rgba(34,197,94,.08);
  border: 1px solid rgba(34,197,94,.2);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  width: 100%;
  text-align: center;
}

/* Período do preço (ex: /ano) no order card */
.co-price-row {
  display: flex;
  align-items: baseline;
  gap: .25rem;
  justify-content: flex-end;
}
.co-price-period {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--color-text-2);
}

/* Badge de economia anual no order card */
.co-annual-savings {
  display: flex;
  align-items: center;
  gap: .375rem;
  font-size: .75rem;
  font-weight: 700;
  color: #22c55e;
  background: rgba(34,197,94,.08);
  border: 1px solid rgba(34,197,94,.2);
  border-radius: var(--radius-sm);
  padding: .5rem .75rem;
  margin-top: .75rem;
}

/* Badge de economia no result (step 3) */
.co-savings-badge {
  display: flex;
  align-items: center;
  gap: .375rem;
  font-size: .8125rem;
  font-weight: 700;
  color: #22c55e;
  background: rgba(34,197,94,.08);
  border: 1px solid rgba(34,197,94,.2);
  border-radius: var(--radius-sm);
  padding: .625rem 1rem;
  margin-bottom: .75rem;
  text-align: center;
  justify-content: center;
}


/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1500;
  width: 60px;
  height: 60px;
  background: var(--color-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 30px rgba(37,211,102,.5);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  animation: float-btn 3s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 40px rgba(37,211,102,.65);
}

@keyframes float-btn {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.whatsapp-float__tooltip {
  position: absolute;
  right: calc(100% + .75rem);
  background: rgba(0,0,0,.9);
  color: #fff;
  font-size: .8125rem;
  font-weight: 600;
  padding: .4rem .875rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.whatsapp-float:hover .whatsapp-float__tooltip { opacity: 1; }

/* ===== ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}

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

.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* GSAP will take over from here — these are fallbacks */
.gsap-hidden { opacity: 0; }

/* ===== RETAINER TOGGLE ===== */
.retainer__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .375rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: .3rem;
  width: fit-content;
  margin: 0 auto 2rem;
}

.retainer__toggle-btn {
  padding: .5rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: .9rem;
  font-weight: 600;
  color: var(--color-text-2);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  gap: .5rem;
}

.retainer__toggle-btn--active {
  background: var(--color-accent);
  color: #000;
}

/* ===== PORTFOLIO REFERENCE RIBBON ===== */
.case-card--reference { overflow: visible; }

.case-ref-ribbon {
  position: absolute;
  top: -12px;
  left: 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: var(--color-accent);
  color: #000;
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: .25rem .75rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
  z-index: 2;
}

/* ===== RETAINER SECTION ===== */
.retainer {
  padding: 6rem 0;
  background: var(--color-bg);
}

.retainer__note {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  background: rgba(255,214,0,.06);
  border: 1px solid rgba(255,214,0,.15);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  font-size: .875rem;
  color: var(--color-text-2);
  line-height: 1.6;
  max-width: 760px;
  margin: 0 auto 3rem;
}

.retainer__note svg { flex-shrink: 0; margin-top: 1px; }
.retainer__note strong { color: var(--color-text); }

.retainer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 600px) {
  .retainer__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1100px) {
  .retainer__grid { grid-template-columns: repeat(4, 1fr); }
}

.retainer-card {
  background: var(--color-surface);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  box-shadow: 0 4px 24px rgba(0,0,0,.5);
  transition: transform var(--trans-base), box-shadow var(--trans-base), border-color var(--trans-base);
}

.retainer-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,.55);
  border-color: rgba(255,214,0,.25);
}

.retainer-card--featured {
  border-color: var(--color-accent);
}

.retainer-card--pro {
  border-color: rgba(255,214,0,.35);
}

.retainer-card__badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #000;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: .25rem .9rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.retainer-card__hours {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  background: rgba(255,214,0,.07);
  border: 1px solid rgba(255,214,0,.18);
  border-radius: var(--radius-md);
  padding: .875rem 1.25rem;
  transition: background var(--trans-fast), border-color var(--trans-fast);
}

.retainer-card:hover .retainer-card__hours,
.retainer-card--featured .retainer-card__hours {
  background: rgba(255,214,0,.12);
  border-color: rgba(255,214,0,.3);
}

.retainer-hours__num {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.retainer-hours__label {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--color-text-2);
  line-height: 1.3;
}

.retainer-card__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .625rem;
}

.retainer-card__name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
}

.retainer-card__desc {
  font-size: .875rem;
  color: var(--color-text-2);
  line-height: 1.5;
}

.retainer-card__price {
  display: flex;
  align-items: baseline;
  gap: .2rem;
  margin: .375rem 0 .25rem;
}

.retainer-price__currency {
  font-size: .9375rem;
  font-weight: 700;
  color: var(--color-text-2);
}

.retainer-price__value {
  font-family: var(--font-display);
  font-size: 2.125rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
}

.retainer-price__period {
  font-size: .875rem;
  color: var(--color-text-2);
  margin-left: .125rem;
}

.retainer-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 0;
  margin: .25rem 0 0;
}

.retainer-feature {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  font-size: .8125rem;
  line-height: 1.45;
}

.retainer-feature::before {
  content: '';
  display: block;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 1px;
  background-size: 10px 10px;
  background-position: center;
  background-repeat: no-repeat;
}

.retainer-feature--included { color: var(--color-text); }

.retainer-feature--included::before {
  background-color: rgba(34,197,94,.14);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 10 10' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2 5l2.5 2.5 4-4' stroke='%2322c55e' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.retainer-feature--excluded {
  color: var(--color-text-3);
  text-decoration: line-through;
}

.retainer-feature--excluded::before {
  background-color: rgba(255,255,255,.04);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 10 10' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 3l4 4M7 3l-4 4' stroke='%23555' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
}

.retainer-card__cta { margin-top: auto; }

/* Ubee bridge block */
.retainer__bridge {
  margin-top: 3rem;
  background: linear-gradient(135deg, rgba(255,214,0,.05), rgba(255,214,0,.02));
  border: 1px solid rgba(255,214,0,.15);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
}

.retainer__bridge-inner {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: flex-start;
}

@media (min-width: 768px) {
  .retainer__bridge-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
  }
}

.retainer__bridge-label {
  font-size: .875rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-bottom: .375rem;
}

.retainer__bridge-desc {
  font-size: .9375rem;
  color: var(--color-text-2);
  line-height: 1.65;
  max-width: 560px;
}

.retainer__bridge-desc strong { color: var(--color-text); }

.retainer__bridge-btn { white-space: nowrap; flex-shrink: 0; }

/* ===== RESPONSIVE FINE-TUNING ===== */
@media (max-width: 480px) {
  :root { --container-px: 1rem; }
  .hero__actions { flex-direction: column; }
  .ba__slider { height: 300px; }
  .plans__grid { gap: 1.5rem; }
  .cta-final__actions { flex-direction: column; align-items: center; }
  .checkout-box { padding: 1.25rem; }
  .checkout-methods { gap: .375rem; }
  .footer__nav { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .hero__scroll, .whatsapp-float, .mockup__browser { animation: none !important; }
}