/* ===================================================================
   CentralizeChat — site institucional
   Fonte: PT Sans (auto-hospedada). Cores: mesmas do produto (indigo -> magenta).
=================================================================== */

@font-face {
  font-family: 'PT Sans';
  src: url('../assets/fonts/PTSans-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'PT Sans';
  src: url('../assets/fonts/PTSans-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'PT Sans';
  src: url('../assets/fonts/PTSans-Italic.ttf') format('truetype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'PT Sans';
  src: url('../assets/fonts/PTSans-BoldItalic.ttf') format('truetype');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

:root {
  --brand-50: 243 100% 97%;
  --brand-100: 243 89% 93%;
  --brand-200: 243 89% 86%;
  --brand-400: 243 89% 66%;
  --brand-500: 243 89% 58%;
  --brand-600: 243 89% 50%;
  --brand-700: 243 80% 40%;
  --accent-500: 292 84% 60%;
  --accent-600: 292 84% 50%;

  --ink-900: 234 45% 10%;
  --ink-800: 234 35% 16%;
  --ink-600: 228 15% 38%;
  --ink-400: 226 12% 58%;
  --surface: 0 0% 100%;
  --surface-muted: 240 40% 98%;
  --border: 230 20% 90%;

  --gradient-brand: linear-gradient(135deg, hsl(var(--brand-600)), hsl(var(--accent-500)));
  --gradient-hero: radial-gradient(120% 120% at 50% 0%, #241a63 0%, #140f36 45%, #0b0920 100%);

  --shadow-sm: 0 1px 2px rgba(20, 15, 55, 0.06), 0 1px 1px rgba(20, 15, 55, 0.04);
  --shadow-md: 0 8px 24px rgba(30, 20, 80, 0.08);
  --shadow-lg: 0 24px 64px rgba(20, 15, 55, 0.16);
  --shadow-glow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 20px 60px rgba(99, 60, 235, 0.35);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'PT Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: hsl(var(--ink-800));
  background: hsl(var(--surface));
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.6em;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 1em;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: hsl(var(--brand-600));
  background: hsl(var(--brand-50));
  border: 1px solid hsl(var(--brand-100));
  padding: 6px 14px;
  border-radius: 999px;
}
.eyebrow--on-dark {
  color: #d7c9ff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
}
.hero-content .eyebrow {
  margin-bottom: 24px;
}
.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.section-head {
  max-width: 620px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  color: hsl(var(--ink-900));
}
.section-head p {
  color: hsl(var(--ink-600));
  font-size: 17px;
}

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: inherit;
  font-weight: 700;
  font-size: 16px;
  padding: 14px 26px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
.btn:active {
  transform: translateY(1px) scale(0.99);
}
.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 10px 30px -8px hsl(var(--brand-600) / 0.55);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -8px hsl(var(--brand-600) / 0.6);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
}
.btn-outline {
  background: hsl(var(--surface));
  color: hsl(var(--ink-800));
  border: 1px solid hsl(var(--border));
}
.btn-outline:hover {
  border-color: hsl(var(--brand-400));
  color: hsl(var(--brand-600));
  transform: translateY(-2px);
}
.btn-sm {
  padding: 10px 18px;
  font-size: 14px;
}
.btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: padding 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}
.navbar.is-scrolled {
  padding: 12px 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
}
.brand img {
  height: 28px;
  width: auto;
  display: block;
}
/* A logo tem o texto "CentralizeChat" em branco (fundo transparente) — some
   sobre a navbar quando ela fica branca no scroll, daí o selo escuro só
   entra nesse momento (".navbar.is-scrolled"). Sobre o hero escuro (topo da
   página) e no rodapé, fica transparente — a logo já é legível sozinha. */
.brand-badge {
  display: inline-flex;
  align-items: center;
  background: transparent;
  padding: 9px 16px;
  border-radius: 10px;
  transition: background 0.25s ease, transform 0.2s ease;
}
.navbar.is-scrolled .brand-badge {
  background: #14102f;
}
.brand:hover .brand-badge {
  transform: translateY(-1px);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 15px;
  font-weight: 700;
  color: hsl(var(--ink-600));
  transition: color 0.2s ease;
}
.nav-links a:hover {
  color: hsl(var(--brand-600));
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid hsl(var(--border));
  background: hsl(var(--surface));
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: hsl(var(--ink-800));
  position: relative;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
}
.nav-toggle span::before {
  top: -6px;
}
.nav-toggle span::after {
  top: 6px;
}
body.nav-open .nav-toggle span {
  background: transparent;
}
body.nav-open .nav-toggle span::before {
  transform: rotate(45deg);
  top: 0;
}
body.nav-open .nav-toggle span::after {
  transform: rotate(-45deg);
  top: 0;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 168px 0 120px;
  background: var(--gradient-hero);
  color: #fff;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero-glow span {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
  animation: float-blob 16s ease-in-out infinite;
}
.hero-glow span:nth-child(1) {
  width: 420px;
  height: 420px;
  background: hsl(var(--brand-500));
  top: -120px;
  left: -80px;
}
.hero-glow span:nth-child(2) {
  width: 380px;
  height: 380px;
  background: hsl(var(--accent-500));
  bottom: -140px;
  right: -60px;
  animation-delay: -6s;
}
.hero-glow span:nth-child(3) {
  width: 260px;
  height: 260px;
  background: #3ee6c4;
  top: 40%;
  left: 55%;
  opacity: 0.25;
  animation-delay: -11s;
}
@keyframes float-blob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.08); }
  66% { transform: translate(-20px, 24px) scale(0.96); }
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero-content h1 {
  font-size: clamp(34px, 4.6vw, 56px);
  margin-bottom: 24px;
}
.hero-content p.lead {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.78);
  max-width: 520px;
  margin-bottom: 32px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}
.hero-trust li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-trust svg {
  width: 16px;
  height: 16px;
  color: #3ee6c4;
  flex-shrink: 0;
}

/* Mock inbox visual */
.hero-visual {
  position: relative;
}
.mock-window {
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 18px;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-glow);
}
.mock-window-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
}
.mock-window-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}
.mock-body {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 14px;
  background: rgba(11, 9, 32, 0.5);
  border-radius: var(--radius-md);
  overflow: hidden;
  min-height: 320px;
}
.mock-list {
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mock-list .row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
  border-radius: 10px;
}
.mock-list .row.active {
  background: rgba(255, 255, 255, 0.08);
}
.mock-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--gradient-brand);
  flex-shrink: 0;
}
.mock-line {
  height: 7px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.16);
  flex: 1;
}
.mock-chat {
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.bubble {
  max-width: 78%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13px;
  opacity: 0;
  transform: translateY(10px);
  animation: bubble-in 0.6s ease forwards;
}
.bubble.in {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.09);
  color: rgba(255, 255, 255, 0.9);
  border-bottom-left-radius: 4px;
}
.bubble.out {
  align-self: flex-end;
  background: var(--gradient-brand);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.bubble.ai {
  align-self: flex-end;
  background: rgba(62, 230, 196, 0.12);
  border: 1px solid rgba(62, 230, 196, 0.35);
  color: #d6fff5;
  border-bottom-right-radius: 4px;
}
.bubble b {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  opacity: 0.7;
  margin-bottom: 3px;
}
.bubble:nth-child(1) { animation-delay: 0.3s; }
.bubble:nth-child(2) { animation-delay: 1.1s; }
.bubble:nth-child(3) { animation-delay: 1.9s; }
.bubble:nth-child(4) { animation-delay: 2.7s; }
@keyframes bubble-in {
  to { opacity: 1; transform: translateY(0); }
}

.float-chip {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: hsl(var(--surface));
  color: hsl(var(--ink-800));
  font-size: 13px;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  animation: chip-float 5s ease-in-out infinite;
}
.float-chip svg {
  width: 16px;
  height: 16px;
  color: hsl(var(--brand-600));
}
.float-chip.chip-1 {
  top: -18px;
  right: 12px;
  animation-delay: 0s;
}
.float-chip.chip-2 {
  bottom: -16px;
  left: -18px;
  animation-delay: -2s;
}
@keyframes chip-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---------- Reveal on scroll ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal="fade"] {
  transform: none;
}
.stagger > * {
  transition-delay: calc(var(--i, 0) * 90ms);
}

/* ---------- Logos / strip ---------- */
.strip {
  padding: 28px 0;
  border-bottom: 1px solid hsl(var(--border));
}
.strip p {
  text-align: center;
  color: hsl(var(--ink-400));
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0;
}

/* ---------- Features grid ---------- */
.section {
  padding: 108px 0;
}
.section-muted {
  background: hsl(var(--surface-muted));
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feature-card {
  background: hsl(var(--surface));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-md);
  padding: 26px 24px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: hsl(var(--brand-400) / 0.4);
}
.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-brand);
  color: #fff;
  margin-bottom: 18px;
}
.feature-icon svg {
  width: 24px;
  height: 24px;
}
.feature-card h3 {
  font-size: 17px;
  color: hsl(var(--ink-900));
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 14.5px;
  color: hsl(var(--ink-600));
  margin: 0;
}

/* ---------- Benefits ---------- */
.benefits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.benefit {
  text-align: left;
  padding: 8px 0;
}
.benefit .num {
  font-size: 14px;
  font-weight: 700;
  color: hsl(var(--brand-600));
  margin-bottom: 10px;
  display: block;
}
.benefit h3 {
  font-size: 19px;
  color: hsl(var(--ink-900));
  margin-bottom: 8px;
}
.benefit p {
  color: hsl(var(--ink-600));
  font-size: 14.5px;
  margin: 0;
}

/* ---------- How it works ---------- */
.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, hsl(var(--brand-200)), hsl(var(--accent-500)));
  opacity: 0.4;
}
.step {
  position: relative;
  background: hsl(var(--surface));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-md);
  padding: 30px 24px;
}
.step-index {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 700;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 10px 24px -6px hsl(var(--brand-600) / 0.5);
}
.step h3 {
  font-size: 18px;
  color: hsl(var(--ink-900));
  margin-bottom: 8px;
}
.step p {
  color: hsl(var(--ink-600));
  font-size: 14.5px;
  margin: 0;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  background: var(--gradient-hero);
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-brand);
  opacity: 0.35;
  mix-blend-mode: screen;
}
.cta-banner > * {
  position: relative;
  z-index: 1;
}
.cta-banner h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  margin-bottom: 14px;
}
.cta-banner p {
  color: rgba(255, 255, 255, 0.78);
  max-width: 480px;
  margin: 0 auto 30px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-md);
  background: hsl(var(--surface));
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 700;
  color: hsl(var(--ink-900));
  font-size: 15.5px;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item .plus {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid hsl(var(--border));
  flex-shrink: 0;
  position: relative;
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}
.faq-item .plus::before,
.faq-item .plus::after {
  content: '';
  position: absolute;
  background: hsl(var(--ink-800));
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.faq-item .plus::before {
  width: 10px;
  height: 1.6px;
}
.faq-item .plus::after {
  width: 1.6px;
  height: 10px;
  transition: opacity 0.2s ease;
}
.faq-item[open] .plus {
  background: hsl(var(--brand-600));
  border-color: hsl(var(--brand-600));
}
.faq-item[open] .plus::before,
.faq-item[open] .plus::after {
  background: #fff;
}
.faq-item[open] .plus::after {
  opacity: 0;
}
.faq-answer {
  padding: 0 24px 20px;
  color: hsl(var(--ink-600));
  font-size: 14.5px;
}

/* ---------- Footer ---------- */
.footer {
  background: #0b0920;
  color: rgba(255, 255, 255, 0.7);
  padding: 72px 0 28px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand .brand {
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand .brand img {
  height: 30px;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  max-width: 280px;
}
.footer-col h4 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 16px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col a {
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.75);
  transition: color 0.2s ease;
}
.footer-col a:hover {
  color: #fff;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ---------- Floating WhatsApp button ---------- */
.wa-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px -6px hsl(var(--brand-600) / 0.6);
  animation: pulse-ring 2.6s ease-out infinite;
}
.wa-float svg {
  width: 28px;
  height: 28px;
}
@keyframes pulse-ring {
  0% { box-shadow: 0 12px 30px -6px hsl(var(--brand-600) / 0.6), 0 0 0 0 hsl(var(--brand-500) / 0.55); }
  70% { box-shadow: 0 12px 30px -6px hsl(var(--brand-600) / 0.6), 0 0 0 16px hsl(var(--brand-500) / 0); }
  100% { box-shadow: 0 12px 30px -6px hsl(var(--brand-600) / 0.6), 0 0 0 0 hsl(var(--brand-500) / 0); }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero .container {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    max-width: 480px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .benefits {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .steps::before {
    display: none;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .nav-links,
  .nav-cta .btn-outline {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  body.nav-open .nav-links {
    display: flex;
    position: fixed;
    top: 66px;
    left: 16px;
    right: 16px;
    background: hsl(var(--surface));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    padding: 18px;
    gap: 6px;
    z-index: 99;
  }
  body.nav-open .nav-links a {
    padding: 10px 6px;
    width: 100%;
  }
  .hero {
    padding: 128px 0 88px;
  }
  .features-grid,
  .benefits {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .cta-banner {
    padding: 44px 24px;
  }
  .section {
    padding: 76px 0;
  }
}