:root {
  --bg: #f7f9fb;
  --surface: #ffffff;
  --surface-2: #f1f6ff;
  --text: #111827;
  --muted: #667085;
  --line: #e7ebf0;
  --blue: #0f73e6;
  --blue-dark: #0b61c7;
  --green: #0aae67;
  --green-dark: #078751;
  --red: #ef4444;
  --shadow: 0 20px 55px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 42px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand, .nav, .header-actions, .hero-actions, .trust-row {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-size: 21px;
  font-weight: 800;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--green);
  box-shadow: 0 10px 25px rgba(10, 174, 103, 0.25);
}

.nav { gap: 30px; color: var(--muted); font-weight: 600; }
.nav a:hover { color: var(--blue); }
.header-actions { gap: 14px; }

.primary-button, .secondary-button, .link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 8px;
  font-weight: 700;
}

.primary-button {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 12px 24px rgba(15, 115, 230, 0.2);
}

.primary-button:hover { background: var(--blue-dark); }
.secondary-button { border: 1px solid var(--line); background: #fff; color: var(--text); }
.link-button { color: var(--muted); }
.small { min-height: 40px; padding: 0 16px; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(620px, 1.18fr);
  gap: 46px;
  align-items: center;
  max-width: 1440px;
  margin: 0 auto;
  padding: 66px 46px 54px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 700px;
  margin-bottom: 22px;
  min-height: 142px;
  font-size: 40px;
  line-height: 1.14;
  letter-spacing: 0;
}

h2 {
  font-size: 34px;
  line-height: 1.12;
  margin-bottom: 14px;
  letter-spacing: 0;
}

h3 { font-size: 18px; margin-bottom: 10px; }

.hero-text {
  max-width: 660px;
  color: var(--muted);
  min-height: 92px;
  font-size: 16px;
  line-height: 1.75;
}

.type-cursor {
  display: inline-block;
  width: 2px;
  height: 0.9em;
  margin-left: 5px;
  background: var(--green);
  animation: cursorBlink 0.85s steps(1) infinite;
}

.hero-actions { gap: 14px; margin: 28px 0 22px; }
.trust-row { flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: 13px; font-weight: 700; }
.trust-row span { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; background: #fff; }

.dashboard-preview {
  position: relative;
  overflow: hidden;
  min-height: 640px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow);
}

.dashboard-preview::before {
  content: "";
  position: absolute;
  inset: -35% -20% auto auto;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(10, 174, 103, 0.14), transparent 68%);
  animation: ambientFloat 9s ease-in-out infinite;
}

.demo-pointer {
  position: absolute;
  z-index: 8;
  top: 0;
  left: 0;
  width: 22px;
  height: 22px;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.9s cubic-bezier(.2,.8,.2,1), opacity 0.25s ease;
}

.demo-pointer::before {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  border-top: 18px solid #111827;
  border-right: 12px solid transparent;
  filter: drop-shadow(0 8px 12px rgba(15, 23, 42, 0.2));
}

.demo-pointer::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 15px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--blue);
  opacity: 0.16;
}

.demo-pointer.active { opacity: 1; }

.preview-top {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  gap: 18px;
  align-items: center;
  margin-bottom: 26px;
}

.dot, .avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
}

.dot.green { background: var(--green); }
.avatar { background: linear-gradient(135deg, #d9eafe, #a7c7f8); border: 3px solid #eaf2ff; }
.preview-search { height: 44px; border: 1px solid var(--line); border-radius: 8px; color: #98a2b3; padding: 12px 16px; }

.preview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.metric {
  position: relative;
  z-index: 1;
  padding: 18px;
  min-height: 122px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  animation: cardBreathe 5s ease-in-out infinite;
}

.metric:nth-child(2) { animation-delay: 0.7s; }
.metric:nth-child(3) { animation-delay: 1.2s; }
.metric:nth-child(4) { animation-delay: 1.8s; }
.metric:hover, .metric-pop {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.1);
  border-color: rgba(15, 115, 230, 0.22);
}

.metric span, .metric em { color: var(--muted); font-style: normal; font-size: 13px; }
.metric strong { display: block; margin: 8px 0; font-size: 28px; }
.metric em { color: var(--green); font-weight: 700; }
.metric.danger em { color: var(--red); }

.preview-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.panel {
  position: relative;
  z-index: 1;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}

.panel h3 { color: var(--blue); }
.green-panel h3 { color: var(--green); }
.input-line, .textarea-line, .upload-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  color: #344054;
  font-size: 13px;
  font-weight: 600;
  padding: 14px 16px;
  overflow: hidden;
}
.input-line { height: 46px; margin-bottom: 14px; }
.textarea-line { height: 92px; margin-bottom: 18px; }
.upload-box {
  height: 104px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  border-style: dashed;
  color: var(--muted);
  font-weight: 700;
  transition: border-color 0.3s ease, background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}
.upload-complete {
  border-color: rgba(10, 174, 103, 0.5);
  background: #ecfdf5;
  color: var(--green-dark);
  transform: scale(1.015);
}
.panel button {
  width: 100%;
  height: 48px;
  border: 0;
  border-radius: 8px;
  background: var(--blue);
  color: white;
  font-weight: 800;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.green-panel button { background: var(--green); }
.button-pulse {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(15, 115, 230, 0.25);
}
.green-panel .button-pulse { box-shadow: 0 16px 30px rgba(10, 174, 103, 0.25); }
.demo-status {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.section, .workflow, .pricing, .security {
  max-width: 1260px;
  margin: 0 auto;
  padding: 72px 46px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 32px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-grid article, .price-card, .workflow, .security {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 12px 36px rgba(15, 23, 42, 0.04);
}

.feature-grid article {
  min-height: 210px;
  padding: 26px;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.feature-grid article:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.08);
}

.feature-grid span {
  display: inline-flex;
  margin-bottom: 22px;
  color: var(--blue);
  font-weight: 800;
}

.feature-grid p, .workflow span, .security-list p, .price-card li {
  color: var(--muted);
  line-height: 1.65;
}

.workflow, .security {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 40px;
}

.workflow ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.workflow li {
  display: grid;
  gap: 6px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 420px));
  gap: 20px;
}

.price-card { padding: 28px; }
.price-card.active { border-color: rgba(10, 174, 103, 0.35); }
.badge { display: inline-flex; margin-bottom: 20px; padding: 7px 10px; border-radius: 999px; background: #e9f9f2; color: var(--green); font-weight: 800; font-size: 12px; }
.badge.muted { background: #eef4ff; color: var(--blue); }
.price { font-size: 42px; font-weight: 800; margin-bottom: 18px; }
.price-card ul { padding-left: 20px; margin-bottom: 26px; }

.security-list {
  display: grid;
  gap: 14px;
}

.security-list p {
  margin: 0;
  padding: 16px 18px;
  border-radius: 8px;
  background: var(--bg);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  padding: 34px 46px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer span:first-child { color: var(--text); font-weight: 800; }

.auth-body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 14%, rgba(10, 174, 103, 0.12), transparent 30%),
    radial-gradient(circle at 88% 20%, rgba(15, 115, 230, 0.11), transparent 32%),
    var(--bg);
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(420px, 560px) minmax(360px, 1fr);
  gap: 34px;
  align-items: stretch;
  max-width: 1180px;
  margin: 0 auto;
  padding: 42px;
}

.auth-panel,
.auth-aside {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.auth-panel {
  display: grid;
  align-content: start;
  gap: 34px;
  padding: 42px;
}

.auth-aside {
  display: grid;
  align-content: center;
  gap: 20px;
  padding: 54px;
  overflow: hidden;
  position: relative;
}

.auth-aside::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -90px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(10, 174, 103, 0.12);
}

.auth-title {
  min-height: 0;
  margin-bottom: 14px;
  font-size: 38px;
  line-height: 1.12;
}

.auth-copy {
  color: var(--muted);
  line-height: 1.7;
}

.auth-form {
  display: grid;
  gap: 16px;
}

.auth-form label {
  display: grid;
  gap: 8px;
  color: #344054;
  font-size: 13px;
  font-weight: 800;
}

.auth-form input:not([type="checkbox"]) {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  font: inherit;
  outline: none;
}

.auth-form input:focus {
  border-color: rgba(15, 115, 230, 0.45);
  box-shadow: 0 0 0 4px rgba(15, 115, 230, 0.08);
}

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.check {
  display: flex !important;
  grid-template-columns: none !important;
  align-items: center;
  gap: 9px !important;
  color: var(--muted) !important;
  font-weight: 700 !important;
  line-height: 1.5;
}

.check input { width: 16px; height: 16px; accent-color: var(--green); }

.form-note {
  min-height: 20px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.form-note[data-type="success"] { color: var(--green); }
.form-note[data-type="error"] { color: var(--red); }

.auth-switch {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

.auth-switch a, .form-row a { color: var(--blue); }

.auth-demo-card {
  display: grid;
  gap: 12px;
  max-width: 420px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
  position: relative;
  z-index: 1;
}

.auth-demo-card strong { font-size: 18px; }
.auth-demo-card span { color: var(--muted); font-weight: 700; }

.dashboard-body {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 268px 1fr;
  background: #f8fafc;
}

.app-sidebar {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 28px;
  padding: 28px 20px;
  background: #fff;
  border-right: 1px solid var(--line);
  position: sticky;
  top: 0;
}

.app-nav {
  display: grid;
  align-content: start;
  gap: 8px;
}

.app-nav a {
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-radius: 8px;
  color: #475467;
  font-weight: 700;
}

.app-nav a.active,
.app-nav a:hover {
  color: var(--blue);
  background: #edf5ff;
}

.app-nav-bottom {
  align-self: end;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.plan-box {
  display: grid;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  text-align: center;
}

.plan-box span,
.plan-box small,
.sidebar-user small {
  color: var(--muted);
}

.sidebar-user {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  align-items: center;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.user-avatar {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--blue);
  font-weight: 800;
}

.sidebar-user div {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.sidebar-user small {
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-main {
  min-width: 0;
  padding: 30px;
}

.app-topbar {
  position: relative;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(320px, 460px) auto;
  gap: 20px;
  align-items: center;
  margin-bottom: 28px;
}

.dashboard-title {
  min-height: 0;
  margin: 0;
  font-size: 30px;
}

.app-search input {
  width: 100%;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 16px;
  font: inherit;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.plan-button,
.profile-trigger {
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  font: inherit;
  font-weight: 800;
}

.plan-button {
  padding: 0 16px;
}

.profile-trigger {
  width: 46px;
  display: grid;
  place-items: center;
  padding: 0;
  overflow: hidden;
}

.profile-trigger span,
.profile-trigger img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.profile-trigger span {
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--green);
}

.profile-trigger img {
  object-fit: cover;
}

.floating-menu {
  position: absolute;
  right: 0;
  top: 64px;
  z-index: 15;
  display: none;
  min-width: 260px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  box-shadow: var(--shadow);
}

.floating-menu.open {
  display: grid;
  gap: 8px;
}

.floating-menu[data-menu="plans"] {
  right: 58px;
}

.floating-menu button,
.floating-menu a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  padding: 0 12px;
  background: #fff;
  color: #344054;
  font: inherit;
  font-weight: 800;
  text-align: left;
}

.floating-menu button:hover,
.floating-menu a:hover,
.floating-menu .selected {
  background: #edf5ff;
  color: var(--blue);
}

.floating-menu span,
.floating-menu small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.profile-summary {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  align-items: center;
  padding: 10px 10px 14px;
  border-bottom: 1px solid var(--line);
}

.app-metrics,
.dashboard-actions {
  display: grid;
  gap: 18px;
}

.app-metrics {
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 18px;
}

.app-metrics article,
.workspace-card,
.logs-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.04);
}

.app-metrics article {
  padding: 24px;
}

.app-metrics span,
.app-metrics em {
  color: var(--muted);
  font-style: normal;
  font-size: 13px;
  font-weight: 700;
}

.app-metrics strong {
  display: block;
  margin: 8px 0;
  font-size: 30px;
}

.app-metrics em {
  color: var(--green);
}

.app-metrics .danger em {
  color: var(--red);
}

.dashboard-actions {
  grid-template-columns: 1fr 1fr;
  margin-bottom: 18px;
}

.workspace-card,
.logs-card {
  padding: 26px;
}

.workspace-card h2,
.logs-card h2 {
  margin: 0 0 18px;
  font-size: 20px;
  color: var(--blue);
}

.workspace-card.green h2 {
  color: var(--green);
}

.workspace-card label {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  color: #344054;
  font-size: 13px;
  font-weight: 800;
}

.workspace-card input,
.workspace-card select,
.workspace-card textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  font: inherit;
  background: #fff;
}

.workspace-card textarea {
  min-height: 104px;
  resize: vertical;
}

.workspace-card button {
  width: 100%;
  height: 48px;
  border: 0;
  border-radius: 8px;
  color: #fff;
  background: var(--blue);
  font-weight: 800;
}

.workspace-card.green button {
  background: var(--green);
}

.workspace-card p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.logs-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
}

.logs-head span {
  color: var(--muted);
  font-weight: 700;
}

.logs-card table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.logs-card th,
.logs-card td {
  padding: 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.logs-card th {
  color: #475467;
  background: #f8fafc;
  font-size: 13px;
}

.logs-card td {
  color: var(--muted);
}

.whatsapp-card {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 22px;
  margin-bottom: 18px;
}

.whatsapp-card > div:first-child p:last-child {
  color: var(--muted);
  line-height: 1.65;
}

.whatsapp-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 12px;
  align-items: end;
}

.whatsapp-form label {
  display: grid;
  gap: 8px;
  color: #344054;
  font-size: 13px;
  font-weight: 800;
}

.whatsapp-form input {
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 14px;
  font: inherit;
}

.whatsapp-form button {
  height: 46px;
  border: 0;
  border-radius: 8px;
  padding: 0 16px;
  color: #fff;
  background: var(--green);
  font-weight: 800;
}

.whatsapp-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 18px;
}

.qr-panel {
  display: grid;
  gap: 12px;
  justify-items: center;
  align-content: center;
  min-height: 286px;
  border: 1px dashed var(--line);
  border-radius: 10px;
  background: #fbfcfd;
  text-align: center;
}

.qr-panel img {
  width: 220px;
  height: 220px;
  border-radius: 8px;
}

.qr-panel span,
.empty-state {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.qr-panel .qr-warning {
  max-width: 240px;
  padding: 14px;
  border-radius: 8px;
  background: #fff7ed;
  color: #9a3412;
  line-height: 1.5;
}

.account-list,
.account-switcher {
  display: grid;
  gap: 10px;
  align-content: start;
}

.account-item,
.account-switcher button {
  display: grid;
  gap: 4px;
  width: 100%;
  height: auto;
  min-height: 72px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fff;
  color: #344054;
  text-align: left;
  font: inherit;
}

.account-item.active,
.account-switcher button.active {
  border-color: rgba(10, 174, 103, 0.35);
  background: #ecfdf5;
  color: #344054;
}

.account-item span,
.account-switcher span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.account-item em {
  color: var(--green);
  font-style: normal;
  font-size: 12px;
  font-weight: 800;
}

.chat-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 18px;
}

.chat-history {
  display: grid;
  gap: 10px;
  align-content: start;
  min-height: 220px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.chat-message {
  max-width: 680px;
  padding: 14px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--line);
}

.chat-message p {
  margin: 8px 0;
  color: #344054;
}

.chat-message span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.reveal,
.feature-grid article,
.price-card {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal.visible,
.feature-grid article.visible,
.price-card.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes cursorBlink {
  0%, 48% { opacity: 1; }
  49%, 100% { opacity: 0; }
}

@keyframes ambientFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-40px, 24px); }
}

@keyframes cardBreathe {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-2px); }
}

@media (max-width: 1080px) {
  .nav { display: none; }
  .hero { grid-template-columns: 1fr; }
  .dashboard-preview { min-height: auto; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .auth-shell { grid-template-columns: 1fr; }
  .dashboard-body { grid-template-columns: 1fr; }
  .app-sidebar { min-height: auto; }
  .app-topbar, .app-metrics, .dashboard-actions, .whatsapp-card, .whatsapp-form, .whatsapp-grid, .chat-layout { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .site-header { padding: 0 18px; }
  .header-actions .link-button { display: none; }
  .hero, .section, .workflow, .pricing, .security { padding-left: 18px; padding-right: 18px; }
  h1 { font-size: 34px; min-height: 156px; }
  h2 { font-size: 30px; }
  .preview-grid, .preview-panels, .feature-grid, .workflow, .pricing-grid, .security { grid-template-columns: 1fr; }
  .footer { flex-direction: column; padding: 28px 18px; }
  .auth-shell { padding: 18px; }
  .auth-panel, .auth-aside { padding: 26px; }
  .auth-title { font-size: 31px; }
  .form-row { align-items: flex-start; flex-direction: column; }
}