/* ============================================================
   DentalUpp — Landing profissional · Refinamento de arte
   ============================================================ */

:root {
  --du-white: #ffffff;
  --du-page: #eef4f2;

  --du-teal: #0d9488;
  --du-teal-hover: #0f766e;
  --du-cyan: #0891b2;
  --du-teal-light: #ccfbf1;
  --du-teal-muted: #99f6e4;

  --du-text: #0f172a;
  --du-text-body: #2d3a4f;
  --du-text-muted: #526077;

  --du-border: rgb(15 23 42 / 0.07);
  --du-border-glass: rgb(255 255 255 / 0.85);

  --du-gradient-btn: linear-gradient(145deg, #34d399 0%, #14b8a6 38%, #0d9488 72%, #0891b2 100%);
  --du-gradient-btn-hover: linear-gradient(145deg, #6ee7b7 0%, #2dd4bf 38%, #14b8a6 72%, #06b6d4 100%);

  /* Sistema de elevação unificado */
  --du-shadow-sm:
    0 0 0 1px rgb(15 23 42 / 0.04),
    0 1px 2px rgb(15 23 42 / 0.03),
    0 6px 20px -4px rgb(15 23 42 / 0.05);
  --du-shadow-md:
    0 0 0 1px rgb(15 23 42 / 0.05),
    0 4px 8px rgb(15 23 42 / 0.03),
    0 16px 40px -8px rgb(15 23 42 / 0.08);
  --du-shadow-lg:
    0 0 0 1px rgb(15 23 42 / 0.05),
    0 8px 16px rgb(15 23 42 / 0.04),
    0 28px 56px -12px rgb(15 23 42 / 0.1),
    0 12px 32px -8px rgb(16 185 129 / 0.08);
  --du-shadow-browser:
    0 0 0 1px rgb(15 23 42 / 0.06),
    0 2px 4px rgb(15 23 42 / 0.03),
    0 12px 24px -4px rgb(15 23 42 / 0.06),
    0 32px 64px -12px rgb(15 23 42 / 0.11),
    0 16px 48px -8px rgb(16 185 129 / 0.09);
  --du-shadow-browser-hero:
    0 0 0 1px rgb(15 23 42 / 0.06),
    0 4px 8px rgb(15 23 42 / 0.04),
    0 16px 32px -6px rgb(15 23 42 / 0.07),
    0 40px 80px -16px rgb(15 23 42 / 0.13),
    0 20px 56px -10px rgb(16 185 129 / 0.12);
  --du-shadow-btn:
    0 1px 2px rgb(15 23 42 / 0.04),
    0 4px 12px -2px rgb(13 148 136 / 0.22),
    inset 0 1px 0 rgb(255 255 255 / 0.18);
  --du-shadow-btn-hover:
    0 2px 4px rgb(15 23 42 / 0.05),
    0 8px 22px -4px rgb(13 148 136 / 0.28),
    inset 0 1px 0 rgb(255 255 255 / 0.22);

  --du-glass: rgb(255 255 255 / 0.76);
  --du-glass-strong: rgb(255 255 255 / 0.9);

  --du-font: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
  --du-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --du-container: 1180px;
  --du-container-wide: 1320px;
  --du-radius: 12px;
  --du-radius-lg: 16px;
  --du-radius-browser: 14px;

  --du-glow: rgb(16 185 129 / 0.07);
  --du-glow-soft: rgb(16 185 129 / 0.04);
  --du-glow-hero: rgb(16 185 129 / 0.13);

  /* Espaçamentos do sistema */
  --du-space-xs: 8px;
  --du-space-sm: 14px;
  --du-space-md: 20px;
  --du-space-lg: 28px;
  --du-space-xl: 40px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  overflow-x: hidden;
}

body.du {
  font-family: var(--du-font);
  background: var(--du-page);
  color: var(--du-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

.du ul,
.du ol {
  list-style: none;
}

.du-container {
  width: 100%;
  max-width: var(--du-container);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

.du-container--wide {
  max-width: var(--du-container-wide);
}

/* ===== BACKGROUND — profundidade contínua ===== */
.du-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 100% 70% at 50% -15%, rgb(16 185 129 / 0.09), transparent 52%),
    radial-gradient(ellipse 55% 45% at 0% 35%, rgb(8 145 178 / 0.07), transparent 58%),
    radial-gradient(ellipse 50% 45% at 100% 55%, rgb(16 185 129 / 0.08), transparent 56%),
    radial-gradient(ellipse 70% 50% at 50% 100%, rgb(13 148 136 / 0.05), transparent 62%),
    linear-gradient(180deg, #eaf1ef 0%, var(--du-page) 45%, #eaf0ee 100%);
}

.du-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgb(15 23 42 / 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgb(15 23 42 / 0.028) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 85% 75% at 50% 45%, black 15%, transparent 72%);
  opacity: 0.55;
}

.du-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 18% 22%, rgb(16 185 129 / 0.06) 0, transparent 42%),
    radial-gradient(circle at 82% 68%, rgb(8 145 178 / 0.05) 0, transparent 38%),
    radial-gradient(circle at 20% 15%, rgb(15 23 42 / 0.018) 1px, transparent 1px),
    radial-gradient(circle at 80% 75%, rgb(15 23 42 / 0.015) 1px, transparent 1px);
  background-size: auto, auto, 56px 56px, 72px 72px;
  opacity: 0.85;
}

/* Seções — fundo contínuo via .du-bg fixo */
.du-hero,
.du-section,
.du-cta,
.du-strip {
  isolation: isolate;
}

.du-hero .du-container,
.du-section .du-container,
.du-cta .du-container {
  position: relative;
  z-index: 1;
}

.du-hero::after {
  content: '';
  position: absolute;
  top: 12%;
  right: 6%;
  width: 140px;
  height: 140px;
  border: 1px solid rgb(15 23 42 / 0.04);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

/* Animações de entrada */
.du-fade {
  opacity: 0;
  transform: translateY(28px) scale(0.98);
  transition:
    opacity 0.75s var(--du-ease),
    transform 0.75s var(--du-ease);
  will-change: opacity, transform;
}

.du-fade.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.du-fade--d1 { transition-delay: 0.08s; }
.du-fade--d2 { transition-delay: 0.16s; }
.du-fade--d3 { transition-delay: 0.24s; }

/* Tipografia — sistema unificado */
.du-badge {
  display: inline-block;
  padding: 6px 14px;
  background: var(--du-teal-light);
  color: var(--du-teal-hover);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 100px;
  margin-bottom: 20px;
}

.du-tag {
  display: inline-block;
  padding: 5px 12px;
  background: var(--du-teal-light);
  color: var(--du-teal-hover);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 100px;
  margin-bottom: 16px;
}

.du-h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.375rem);
  font-weight: 800;
  letter-spacing: -0.034em;
  line-height: 1.16;
  color: var(--du-text);
}

.du-lead {
  font-size: clamp(0.96875rem, 1.3vw, 1.0625rem);
  color: var(--du-text-body);
  line-height: 1.75;
  max-width: 54ch;
  margin: 18px auto 0;
}

/* Header */
.du-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: calc(16px + env(safe-area-inset-top)) 0 16px;
  transition: background 0.3s, box-shadow 0.3s;
}

.du-header.is-scrolled {
  background: rgb(238 244 242 / 0.9);
  backdrop-filter: blur(16px) saturate(1.2);
  box-shadow: 0 1px 0 var(--du-border);
}

.du-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.du-logo img {
  height: 30px;
  width: auto;
}

.du-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 32px);
}

.du-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--du-text-body);
  transition: color 0.22s var(--du-ease);
}

.du-nav a:hover {
  color: var(--du-text);
}

.du-nav__back {
  color: var(--du-text-muted) !important;
  font-size: 0.8125rem !important;
}

.du-nav__cta {
  padding: 8px 18px;
  background: var(--du-gradient-btn);
  color: var(--du-white) !important;
  font-weight: 600 !important;
  font-size: 0.8125rem !important;
  letter-spacing: -0.01em;
  border-radius: 10px;
  border: 1px solid rgb(255 255 255 / 0.15);
  box-shadow: var(--du-shadow-btn);
  transition: transform 0.28s var(--du-ease), box-shadow 0.28s, background 0.28s;
}

.du-nav__cta:hover {
  background: var(--du-gradient-btn-hover);
  color: var(--du-white) !important;
  transform: translateY(-1px);
  box-shadow: var(--du-shadow-btn-hover);
}

.du-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin: -8px;
}

.du-burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--du-text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.du-burger.is-open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.du-burger.is-open span:nth-child(2) { opacity: 0; }
.du-burger.is-open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.du-overlay {
  position: fixed;
  inset: 0;
  background: rgb(15 23 42 / 0.25);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.du-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

/* Botões — refinados */
.du a.du-btn--primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 48px;
  padding: 0 28px;
  background: var(--du-gradient-btn);
  color: var(--du-white);
  font-family: var(--du-font);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.014em;
  border: 1px solid rgb(255 255 255 / 0.16);
  border-radius: var(--du-radius);
  cursor: pointer;
  box-shadow: var(--du-shadow-btn);
  transition: transform 0.3s var(--du-ease), box-shadow 0.3s, background 0.3s;
}

.du a.du-btn--primary:hover {
  background: var(--du-gradient-btn-hover);
  color: var(--du-white);
  transform: translateY(-2px);
  box-shadow: var(--du-shadow-btn-hover);
}

.du a.du-btn--primary svg {
  flex-shrink: 0;
  transition: transform 0.3s var(--du-ease);
}

.du a.du-btn--primary:hover svg {
  transform: translateX(3px);
}

.du-btn--lg {
  height: 54px;
  padding: 0 34px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.016em;
  border-radius: 13px;
}

.du-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--du-text-body);
  border-bottom: 1px solid transparent;
  transition: color 0.22s, border-color 0.22s;
}

.du-link:hover {
  color: var(--du-teal);
  border-bottom-color: var(--du-teal-muted);
}

/* Seções — ritmo visual variado */
.du-section {
  position: relative;
  z-index: 1;
  padding: clamp(56px, 6vw, 76px) 0;
  background: transparent;
  overflow: hidden;
}

.du-section--compact {
  padding: clamp(48px, 5vw, 64px) 0;
}

.du-section--spacious {
  padding: clamp(64px, 7vw, 88px) 0;
}

.du-section--alt {
  background: transparent;
  border: none;
}

.du-section__head {
  text-align: center;
  max-width: 600px;
  margin: 0 auto clamp(32px, 4vw, 44px);
}

/* Browser frame — moldura padronizada */
.du-browser {
  position: relative;
  background: var(--du-glass-strong);
  backdrop-filter: blur(10px);
  border-radius: var(--du-radius-browser);
  border: 1px solid var(--du-border-glass);
  box-shadow: var(--du-shadow-browser);
  overflow: hidden;
  transition: transform 0.35s var(--du-ease), box-shadow 0.35s var(--du-ease);
}

.du-browser::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.95);
  pointer-events: none;
  z-index: 2;
}

.du-browser:hover {
  transform: translateY(-3px);
  box-shadow:
    0 0 0 1px rgb(15 23 42 / 0.06),
    0 8px 16px rgb(15 23 42 / 0.04),
    0 36px 72px -14px rgb(15 23 42 / 0.13),
    0 18px 44px -8px rgb(16 185 129 / 0.11);
}

.du-browser__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: linear-gradient(180deg, rgb(248 250 252 / 0.95) 0%, rgb(241 245 249 / 0.9) 100%);
  border-bottom: 1px solid var(--du-border);
  position: relative;
  z-index: 1;
}

.du-browser__dots {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.du-browser__dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.du-browser__dots span:nth-child(1) { background: #ff5f57; }
.du-browser__dots span:nth-child(2) { background: #febc2e; }
.du-browser__dots span:nth-child(3) { background: #28c840; }

.du-browser__url {
  flex: 1;
  max-width: 240px;
  margin: 0 auto;
  padding: 5px 14px;
  background: var(--du-white);
  border: 1px solid var(--du-border);
  border-radius: 7px;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--du-text-muted);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.du-browser__content {
  line-height: 0;
  background: #f8fafc;
}

.du-browser__content img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  object-position: center top;
}

/* ===== HERO ===== */
.du-hero {
  position: relative;
  z-index: 1;
  padding: calc(104px + env(safe-area-inset-top)) 0 clamp(56px, 6vh, 72px);
  background: transparent;
  overflow: visible;
}

.du-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.36fr) minmax(0, 0.64fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
}

.du-hero__copy {
  max-width: 420px;
}

.du-hero__title {
  font-size: clamp(2rem, 3.5vw, 2.875rem);
  font-weight: 800;
  letter-spacing: -0.038em;
  line-height: 1.14;
  color: var(--du-text);
  margin-bottom: 22px;
  max-width: 22ch;
}

.du-hero__emphasis {
  display: inline;
  font-weight: 800;
  color: var(--du-teal);
}

.du-hero__desc {
  font-size: clamp(1rem, 1.25vw, 1.0625rem);
  color: var(--du-text-body);
  line-height: 1.75;
  max-width: 42ch;
  margin-bottom: 32px;
}

.du-hero__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 26px;
  margin-bottom: 40px;
}

/* Highlights de benefícios */
.du-hero__highlights {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding-top: 4px;
  max-width: 400px;
}

.du-hero__highlights li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: rgb(255 255 255 / 0.78);
  backdrop-filter: blur(10px);
  border: 1px solid rgb(15 23 42 / 0.06);
  border-radius: 11px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--du-text);
  letter-spacing: -0.015em;
  line-height: 1.3;
  box-shadow: var(--du-shadow-sm);
  transition: transform 0.25s var(--du-ease), box-shadow 0.25s, border-color 0.25s;
}

.du-hero__highlights li:hover {
  transform: translateY(-1px);
  box-shadow: var(--du-shadow-md);
  border-color: rgb(13 148 136 / 0.12);
}

.du-hero__highlight-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--du-teal-light);
  color: var(--du-teal);
}

.du-hero__highlight-icon svg {
  width: 15px;
  height: 15px;
}

/* Dashboard hero — presença visual */
.du-hero__product {
  position: relative;
  width: 100%;
  max-width: 100%;
  transform: scale(1.12);
  transform-origin: center left;
}

.du-hero__product::before {
  content: '';
  position: absolute;
  inset: -8% -6%;
  background: radial-gradient(ellipse 80% 70% at 52% 48%, var(--du-glow-hero), transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.du-hero__product::after {
  content: '';
  position: absolute;
  inset: -4% -2%;
  background: radial-gradient(ellipse 60% 50% at 50% 50%, rgb(16 185 129 / 0.06), transparent 72%);
  pointer-events: none;
  z-index: 0;
  filter: blur(20px);
}

.du-hero__product .du-browser {
  position: relative;
  z-index: 1;
}

.du-browser--hero {
  max-width: 100%;
  box-shadow: var(--du-shadow-browser-hero);
  transform: perspective(1200px) rotateY(-1.5deg);
}

.du-browser--hero:hover {
  transform: perspective(1200px) rotateY(-1.5deg) translateY(-4px);
  box-shadow:
    0 0 0 1px rgb(15 23 42 / 0.06),
    0 6px 12px rgb(15 23 42 / 0.04),
    0 20px 40px -8px rgb(15 23 42 / 0.08),
    0 48px 96px -18px rgb(15 23 42 / 0.15),
    0 24px 60px -12px rgb(16 185 129 / 0.14);
}

/* Cards flutuantes */
@keyframes du-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.du-float-card {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px 9px 11px;
  background: rgb(255 255 255 / 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid rgb(255 255 255 / 0.9);
  border-radius: 10px;
  box-shadow:
    0 0 0 1px rgb(15 23 42 / 0.04),
    0 4px 12px -2px rgb(15 23 42 / 0.08),
    0 12px 28px -6px rgb(15 23 42 / 0.06);
  animation: du-float 5s var(--du-ease) infinite;
}

.du-float-card--top {
  top: 2%;
  right: 4%;
  animation-delay: 0s;
}

.du-float-card--bottom {
  bottom: 10%;
  left: 2%;
  animation-delay: 2.5s;
}

.du-float-card__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
  box-shadow: 0 0 6px rgb(34 197 94 / 0.4);
}

.du-float-card__dot--warn {
  background: #f59e0b;
  box-shadow: 0 0 6px rgb(245 158 11 / 0.35);
}

.du-float-card__text {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--du-text);
  letter-spacing: -0.015em;
  white-space: nowrap;
}

/* ===== FAIXA DE VALOR ===== */
.du-strip {
  position: relative;
  z-index: 1;
  padding: 20px 0;
  background: transparent;
  border: none;
}

.du-strip::before,
.du-strip::after {
  display: none;
}

.du-strip__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px 32px;
  padding: 6px 0;
}

.du-strip__text {
  font-size: clamp(1rem, 1.8vw, 1.125rem);
  font-weight: 500;
  color: var(--du-text-body);
  letter-spacing: -0.02em;
  line-height: 1.45;
}

.du-strip__text strong {
  font-weight: 800;
  color: var(--du-text);
}

.du-strip__points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.du-strip__points li {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--du-teal-hover);
  padding: 6px 12px 6px 10px;
  background: rgb(255 255 255 / 0.55);
  backdrop-filter: blur(8px);
  border: 1px solid rgb(13 148 136 / 0.1);
  border-radius: 100px;
  position: relative;
  padding-left: 22px;
  letter-spacing: -0.01em;
}

.du-strip__points li::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--du-teal);
  box-shadow: 0 0 6px rgb(13 148 136 / 0.35);
}

/* ===== CARDS — variação por seção ===== */
.du-cards {
  display: grid;
  gap: 18px;
}

.du-cards--3 {
  grid-template-columns: repeat(3, 1fr);
}

.du-cards--compact {
  gap: 14px;
}

.du-cards--featured {
  gap: 22px;
}

.du-card {
  padding: clamp(26px, 2.5vw, 30px);
  background: var(--du-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--du-border-glass);
  border-radius: var(--du-radius-lg);
  box-shadow: var(--du-shadow-sm);
  transition: transform 0.28s var(--du-ease), box-shadow 0.28s var(--du-ease);
}

.du-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--du-shadow-md);
}

/* Problema — cards menores */
.du-card--compact {
  padding: clamp(20px, 2vw, 24px);
  border-radius: var(--du-radius);
}

.du-card--compact .du-card__icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  margin-bottom: 12px;
}

.du-card--compact .du-card__icon svg {
  width: 17px;
  height: 17px;
}

.du-card--compact h3 {
  font-size: 0.875rem;
  margin-bottom: 6px;
}

.du-card--compact p {
  font-size: 0.78125rem;
  line-height: 1.62;
}

/* Benefícios — cards maiores */
.du-card--featured {
  padding: clamp(30px, 3vw, 38px);
  border-radius: 18px;
}

.du-card--featured .du-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  margin-bottom: 18px;
}

.du-card--featured .du-card__icon svg {
  width: 22px;
  height: 22px;
}

.du-card--featured h3 {
  font-size: 1.03125rem;
  margin-bottom: 10px;
}

.du-card--featured p {
  font-size: 0.875rem;
  line-height: 1.7;
}

.du-card__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  margin-bottom: 16px;
}

.du-card__icon svg {
  width: 20px;
  height: 20px;
}

.du-card__icon--warn {
  background: #fef2f2;
  color: #dc2626;
}

.du-card__icon--brand {
  background: var(--du-teal-light);
  color: var(--du-teal);
}

.du-card h3 {
  font-size: 0.96875rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--du-text);
  margin-bottom: 8px;
}

.du-card p {
  font-size: 0.8125rem;
  color: var(--du-text-body);
  line-height: 1.68;
}

/* Glow contextual atrás de produto */
.du-solution__visual,
.du-showcase__desktop {
  position: relative;
}

.du-solution__visual::before,
.du-showcase__desktop::before {
  content: '';
  position: absolute;
  inset: -5% -3%;
  background: radial-gradient(ellipse 72% 62% at 50% 46%, var(--du-glow), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.du-solution__visual .du-browser,
.du-showcase__desktop .du-browser {
  position: relative;
  z-index: 1;
}

.du-showcase__mobile {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  width: max-content;
  justify-self: center;
}

.du-showcase__mobile::before {
  content: '';
  position: absolute;
  inset: -8% -20%;
  background: radial-gradient(ellipse 55% 50% at 50% 40%, var(--du-glow-soft), transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.du-showcase__mobile .du-device {
  position: relative;
  z-index: 1;
}

/* ===== SOLUÇÃO ===== */
.du-solution {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(48px, 5.5vw, 72px);
  align-items: center;
}

.du-checklist {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.du-checklist li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.du-check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--du-teal-light);
  border-radius: 8px;
  margin-top: 2px;
}

.du-check svg {
  width: 14px;
  height: 14px;
  color: var(--du-teal);
}

.du-checklist h3 {
  font-size: 0.96875rem;
  font-weight: 700;
  color: var(--du-text);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.du-checklist p {
  font-size: 0.875rem;
  color: var(--du-text-body);
  line-height: 1.7;
  max-width: 42ch;
}

/* ===== FLUXO — menos aparência de card ===== */
.du-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.du-steps::before {
  content: '';
  position: absolute;
  top: 16px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgb(15 23 42 / 0.06) 15%, rgb(15 23 42 / 0.06) 85%, transparent);
  pointer-events: none;
}

.du-step {
  padding: clamp(20px, 2vw, 28px) clamp(16px, 1.5vw, 22px);
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  text-align: center;
  position: relative;
}

.du-step::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 1px;
  background: rgb(15 23 42 / 0.05);
}

.du-step:hover {
  transform: none;
  box-shadow: none;
}

.du-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--du-gradient-btn);
  color: var(--du-white);
  font-size: 0.875rem;
  font-weight: 800;
  border-radius: 50%;
  margin-bottom: 18px;
  box-shadow: var(--du-shadow-btn);
  position: relative;
  z-index: 1;
}

.du-step h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--du-text);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.du-step p {
  font-size: 0.8125rem;
  color: var(--du-text-body);
  line-height: 1.68;
  max-width: 22ch;
  margin: 0 auto;
}

/* ===== SHOWCASE — layout diferenciado ===== */
.du-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(40px, 5vw, 68px);
  align-items: end;
}

.du-showcase__desktop {
  padding-right: 12px;
}

.du-showcase__label {
  margin-top: 18px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--du-text-muted);
  text-align: center;
  letter-spacing: 0.01em;
}

/* Device — mockup iPhone */
.du-device--iphone {
  position: relative;
}

.du-device--iphone::before {
  content: '';
  position: absolute;
  right: -4px;
  top: 108px;
  width: 3px;
  height: 52px;
  background: linear-gradient(180deg, #4a4a4e, #2e2e32);
  border-radius: 0 2px 2px 0;
  z-index: 2;
}

.du-device__shell {
  position: relative;
  width: 272px;
  padding: 14px 11px 16px;
  background: linear-gradient(160deg, #3d3d41 0%, #1a1a1c 38%, #252528 72%, #323236 100%);
  border-radius: 46px;
  border: 1.5px solid #48484a;
  box-shadow:
    0 0 0 1px rgb(0 0 0 / 0.55),
    inset 0 1px 0 rgb(255 255 255 / 0.1),
    inset 0 -1px 0 rgb(0 0 0 / 0.35),
    0 28px 56px -14px rgb(15 23 42 / 0.28),
    0 12px 28px -8px rgb(15 23 42 / 0.18);
  transition: transform 0.35s var(--du-ease), box-shadow 0.35s var(--du-ease);
}

.du-device--iphone .du-device__shell::before {
  content: '';
  position: absolute;
  left: -4px;
  top: 96px;
  width: 3px;
  height: 28px;
  background: linear-gradient(180deg, #4a4a4e, #2e2e32);
  border-radius: 2px 0 0 2px;
  box-shadow: 0 40px 0 #3a3a3e, 0 72px 0 #3a3a3e;
  z-index: 2;
}

.du-device__shell::after {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: 44px;
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.06);
  pointer-events: none;
}

.du-device:hover .du-device__shell {
  transform: translateY(-3px);
  box-shadow:
    0 0 0 1px rgb(0 0 0 / 0.55),
    inset 0 1px 0 rgb(255 255 255 / 0.1),
    0 32px 64px -16px rgb(15 23 42 / 0.32),
    0 16px 36px -10px rgb(16 185 129 / 0.1);
}

.du-device__island {
  position: absolute;
  top: 22px;
  left: 50%;
  transform: translateX(-50%);
  width: 78px;
  height: 24px;
  background: #000;
  border-radius: 20px;
  z-index: 3;
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.04);
}

.du-device__screen {
  position: relative;
  width: 100%;
  border-radius: 34px;
  overflow: hidden;
  background: #000;
  border: 1px solid rgb(0 0 0 / 0.6);
  aspect-ratio: 9 / 19.5;
  line-height: 0;
}

.du .du-device__screen img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.du-device__home {
  position: absolute;
  bottom: 9px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: rgb(255 255 255 / 0.42);
  border-radius: 4px;
  z-index: 3;
  pointer-events: none;
}

/* ===== CTA — encerramento premium ===== */
.du-cta {
  position: relative;
  z-index: 1;
  padding: clamp(48px, 5.5vw, 72px) 0 clamp(52px, 6vw, 76px);
  background: transparent;
  border: none;
  overflow: hidden;
}

.du-cta .du-container {
  position: relative;
}

.du-cta__box {
  position: relative;
  z-index: 1;
  text-align: center;
  width: 88%;
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(40px, 5vw, 52px) clamp(48px, 6vw, 72px) clamp(36px, 4.5vw, 48px);
  background:
    linear-gradient(168deg, rgb(255 255 255 / 0.98) 0%, #fcfdfd 42%, #f6f9f8 100%);
  border: 1px solid rgb(15 23 42 / 0.06);
  border-radius: 24px;
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 1),
    inset 0 -1px 0 rgb(15 23 42 / 0.02),
    0 1px 2px rgb(15 23 42 / 0.02),
    0 8px 24px -4px rgb(15 23 42 / 0.04),
    0 32px 64px -16px rgb(15 23 42 / 0.06),
    0 64px 120px -32px rgb(16 185 129 / 0.05);
  transition: transform 0.45s var(--du-ease), box-shadow 0.45s var(--du-ease);
}

.du-cta__box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgb(16 185 129 / 0.28) 50%, transparent);
  border-radius: 1px;
  pointer-events: none;
}

.du-cta__box::after {
  content: '';
  position: absolute;
  inset: -40px -24px -48px;
  z-index: -1;
  background: radial-gradient(ellipse 70% 60% at 50% 55%, rgb(15 23 42 / 0.025), transparent 70%);
  pointer-events: none;
}

.du-cta__box:hover {
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 1),
    inset 0 -1px 0 rgb(15 23 42 / 0.02),
    0 2px 4px rgb(15 23 42 / 0.025),
    0 12px 32px -6px rgb(15 23 42 / 0.05),
    0 40px 80px -20px rgb(15 23 42 / 0.07),
    0 72px 140px -36px rgb(16 185 129 / 0.07);
}

.du-cta__signature {
  margin: 0 0 18px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--du-teal);
  opacity: 0.75;
}

.du-cta__title {
  font-size: clamp(2.125rem, 4.8vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.042em;
  color: var(--du-text);
  margin: 0 0 18px;
  line-height: 1.08;
}

.du-cta__text {
  font-size: clamp(1rem, 1.2vw, 1.0625rem);
  color: var(--du-text-body);
  line-height: 1.72;
  margin: 0 auto;
  max-width: 46ch;
}

.du-cta__action {
  margin-top: clamp(28px, 3.5vw, 36px);
  display: flex;
  justify-content: center;
}

.du-cta__action .du-btn--lg {
  height: 58px;
  padding: 0 42px;
  font-size: 1.0625rem;
  gap: 10px;
  border-radius: 14px;
  box-shadow:
    0 1px 2px rgb(15 23 42 / 0.04),
    0 4px 12px -2px rgb(13 148 136 / 0.22),
    0 12px 28px -6px rgb(13 148 136 / 0.18);
  transition:
    transform 0.35s var(--du-ease),
    box-shadow 0.35s var(--du-ease),
    background 0.35s;
}

.du-cta__action .du-btn--lg:hover {
  transform: translateY(-2px);
  box-shadow:
    0 2px 4px rgb(15 23 42 / 0.05),
    0 8px 20px -2px rgb(13 148 136 / 0.28),
    0 20px 40px -8px rgb(13 148 136 / 0.22);
}

.du-cta__action .du-btn--lg svg {
  width: 19px;
  height: 19px;
}

/* Ritmo de seções */
.du-section#problema {
  padding: clamp(48px, 5vw, 64px) 0;
}

.du-section#fluxo {
  padding: clamp(48px, 5vw, 68px) 0;
}

.du-section#interface {
  padding: clamp(60px, 6.5vw, 80px) 0;
}

.du-section#beneficios {
  padding: clamp(56px, 6vw, 76px) 0;
}

/* Footer */
.du-footer {
  position: relative;
  z-index: 1;
  padding: 36px 0 calc(36px + env(safe-area-inset-bottom));
  background: transparent;
  border-top: 1px solid rgb(15 23 42 / 0.04);
  text-align: center;
  color: var(--du-text-muted);
}

.du-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.du-footer__logo {
  height: 28px;
  margin-bottom: 4px;
}

.du-footer p {
  font-size: 0.8125rem;
}

.du-footer__credit a {
  color: var(--du-text-body);
  font-weight: 600;
  transition: color 0.2s;
}

.du-footer__credit a:hover {
  color: var(--du-teal);
}

.du-footer__copy {
  font-size: 0.75rem;
  margin-top: 4px;
}

/* Ultrawide — hero dashboard */
@media (min-width: 1280px) {
  .du-hero__grid {
    gap: 32px;
  }

  .du-hero__product {
    transform: scale(1.14);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .du-fade {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .du-float-card {
    animation: none;
  }

  .du-browser:hover,
  .du-browser--hero:hover,
  .du-device:hover .du-device__shell,
  .du-card:hover,
  .du-cta__box:hover,
  .du-hero__highlights li:hover {
    transform: none;
  }

  .du a.du-btn--primary:hover,
  .du a.du-btn--primary:hover svg {
    transform: none;
  }
}

/* Tablet */
@media (max-width: 1024px) {
  .du-hero__grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .du-hero__copy {
    max-width: 600px;
  }

  .du-hero__title {
    max-width: none;
  }

  .du-hero__product {
    max-width: 720px;
    margin: 0 auto;
    transform: scale(1);
    transform-origin: center center;
  }

  .du-float-card--top {
    top: -4%;
    right: 4%;
  }

  .du-float-card--bottom {
    bottom: 4%;
    left: 2%;
  }

  .du-cards--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .du-solution {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .du-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .du-steps::before {
    display: none;
  }

  .du-step::after {
    display: none;
  }

  .du-showcase {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .du-showcase__mobile {
    order: 2;
  }

  .du-showcase__desktop {
    padding-right: 0;
  }

  .du-cta__box {
    width: 92%;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .du-burger {
    display: flex;
  }

  .du-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(300px, 88vw);
    height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: calc(76px + env(safe-area-inset-top)) 24px 32px;
    background: var(--du-white);
    border-left: 1px solid var(--du-border);
    box-shadow: var(--du-shadow-md);
    transform: translateX(100%);
    transition: transform 0.35s var(--du-ease);
    z-index: 1001;
  }

  .du-nav.is-open {
    transform: translateX(0);
  }

  .du-nav a {
    padding: 14px 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--du-border);
  }

  .du-nav__back {
    display: none;
  }

  .du-nav__cta {
    margin-top: 18px;
    text-align: center;
    border-bottom: none !important;
  }

  .du-hero__cta {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .du a.du-btn--primary {
    width: 100%;
    max-width: 300px;
  }

  .du-browser__url {
    display: none;
  }

  .du-float-card {
    padding: 7px 11px 7px 9px;
  }

  .du-float-card__text {
    font-size: 0.6875rem;
  }

  .du-strip__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .du-cards--3,
  .du-steps {
    grid-template-columns: 1fr;
  }

  .du-section {
    padding: 52px 0;
  }

  .du-section#interface {
    padding: 60px 0;
  }

  .du-device__shell {
    width: min(256px, 62vw);
    padding: 12px 10px 14px;
    border-radius: 42px;
  }

  .du-device__screen {
    border-radius: 32px;
  }

  .du-device__island {
    width: 68px;
    height: 22px;
    top: 20px;
  }

  .du-device__home {
    width: 88px;
    bottom: 8px;
  }

  .du-cta__box {
    width: 100%;
    padding: clamp(32px, 5vw, 40px) clamp(24px, 5vw, 32px) clamp(28px, 4vw, 36px);
    border-radius: 20px;
  }

  .du-cta__signature {
    margin-bottom: 14px;
    font-size: 0.6875rem;
  }

  .du-cta__title {
    margin-bottom: 16px;
    font-size: clamp(1.875rem, 7vw, 2.25rem);
  }

  .du-cta__text {
    font-size: 0.96875rem;
    line-height: 1.68;
    max-width: 36ch;
  }

  .du-cta__action {
    margin-top: 24px;
  }

  .du-cta__action .du-btn--lg {
    width: 100%;
    max-width: 320px;
    height: 54px;
    padding: 0 28px;
    font-size: 1rem;
  }
}

@media (max-width: 414px) {
  .du-hero__highlights {
    grid-template-columns: 1fr;
    gap: 8px;
    max-width: none;
  }

  .du-hero__highlights li {
    font-size: 0.78125rem;
    padding: 9px 11px;
  }

  .du-float-card--bottom {
    left: 0;
  }
}