:root {
  --ink: #10221f;
  --muted: #60716d;
  --bg: #f4f7f5;
  --panel: #ffffff;
  --line: #d7e4df;
  --green: #128c7e;
  --green-dark: #075e54;
  --mint: #25d366;
  --blue: #315fba;
  --gold: #d6a13d;
  --rose: #c95f63;
  --shadow: 0 26px 90px rgba(15, 33, 30, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Lexend", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  color: #ffffff;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 850;
  text-decoration: none;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 8px;
  color: #ffffff;
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, #25d366 0%, #18b85c 100%);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.24);
}

nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  font-weight: 760;
}

nav a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
}

main {
  overflow: hidden;
}

.hero {
  position: relative;
  display: grid;
  align-items: end;
  min-height: 86vh;
  padding: 118px clamp(18px, 5vw, 72px) 72px;
  color: #ffffff;
  background: #071612;
}

.hero-scene,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-scene {
  overflow: hidden;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(7, 22, 18, 0.96) 0%, rgba(7, 22, 18, 0.78) 38%, rgba(7, 22, 18, 0.34) 100%),
    linear-gradient(180deg, rgba(7, 22, 18, 0.15) 0%, rgba(7, 22, 18, 0.88) 100%);
}

.app-window {
  position: absolute;
  right: clamp(-320px, -12vw, -80px);
  top: 74px;
  width: min(980px, 78vw);
  min-width: 760px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  overflow: hidden;
  background: #111b21;
  box-shadow: var(--shadow);
  transform: rotate(-2deg);
}

.window-bar {
  display: flex;
  gap: 8px;
  padding: 14px;
  background: #202c33;
}

.window-bar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #6f817b;
}

.wa-shell {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  min-height: 560px;
}

.sidebar-preview {
  padding: 22px;
  border-right: 1px solid #2a3942;
  background: #111b21;
}

.top-line,
.search-line {
  border-radius: 8px;
  background: #2a3942;
}

.top-line {
  width: 52%;
  height: 28px;
  margin-bottom: 18px;
}

.search-line {
  height: 40px;
  margin-bottom: 16px;
}

.chat-row {
  display: grid;
  grid-template-columns: 50px 1fr;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  padding: 11px;
  border-radius: 8px;
}

.chat-row.active {
  background: #2a3942;
}

.avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, #d1d7db, #687984);
}

.avatar.green {
  background: linear-gradient(135deg, var(--mint), var(--green-dark));
}

.avatar.amber {
  background: linear-gradient(135deg, #ffe1a8, var(--gold));
}

.avatar.blue {
  background: linear-gradient(135deg, #b7d2ff, var(--blue));
}

.line {
  display: block;
  height: 12px;
  margin: 7px 0;
  border-radius: 999px;
  background: #b7c4c0;
}

.line.name {
  width: 76%;
}

.line.message {
  width: 92%;
  background: #6d7d78;
}

.blur {
  filter: blur(5px);
}

.chat-preview {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  background:
    linear-gradient(rgba(11, 20, 26, 0.88), rgba(11, 20, 26, 0.88)),
    repeating-linear-gradient(45deg, transparent 0 18px, rgba(255, 255, 255, 0.05) 18px 19px);
}

.chat-head {
  display: grid;
  grid-template-columns: 50px 1fr;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid #2a3942;
}

.bubble {
  width: fit-content;
  max-width: 76%;
  padding: 10px 13px;
  border-radius: 8px;
  color: #ffffff;
  font-size: 15px;
  font-weight: 720;
}

.bubble.incoming {
  background: #202c33;
}

.bubble.outgoing {
  align-self: flex-end;
  background: var(--green-dark);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--mint);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 18px;
  font-size: clamp(46px, 8vw, 88px);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 19px;
}

.lead {
  max-width: 690px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 21px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 19px;
  border: 1px solid transparent;
  border-radius: 8px;
  font: inherit;
  font-weight: 850;
  text-decoration: none;
  cursor: pointer;
}

.button.primary,
button {
  background: var(--mint);
  color: #061814;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-badges span {
  padding: 8px 11px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  font-weight: 760;
}

.install-strip,
.proof-row,
.section,
footer {
  width: min(1160px, calc(100% - 36px));
  margin-left: auto;
  margin-right: auto;
}

.install-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 22px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  box-shadow: 0 18px 60px rgba(15, 33, 30, 0.08);
}

.install-strip h2 {
  margin-bottom: 0;
  font-size: 24px;
  line-height: 1.18;
}

.install-strip .eyebrow,
.section .eyebrow {
  color: var(--green);
}

.proof-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--line);
}

.proof-row div {
  padding: 22px;
  background: #ffffff;
}

.proof-row strong,
.proof-row span {
  display: block;
}

.proof-row strong {
  font-size: 26px;
  line-height: 1.1;
}

.proof-row span {
  margin-top: 4px;
  color: var(--muted);
  font-weight: 760;
}

.section {
  padding-top: 86px;
}

.section-heading {
  max-width: 790px;
  margin-bottom: 28px;
}

.section-heading p,
.trust-copy p,
.contact-section p {
  color: var(--muted);
  font-size: 17px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  min-height: 216px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
}

.feature-card.highlight {
  background: #10221f;
  color: #ffffff;
}

.feature-card.highlight p {
  color: rgba(255, 255, 255, 0.76);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 30px;
  margin-bottom: 24px;
  border-radius: 8px;
  background: #e7f6ee;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 900;
}

.highlight .feature-icon {
  background: var(--mint);
  color: #061814;
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1fr 0.8fr 0.8fr;
  gap: 14px;
}

.popup-preview,
.store-shot {
  min-height: 330px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 18px 60px rgba(15, 33, 30, 0.08);
}

.popup-preview {
  padding: 22px;
}

.mini-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.mini-header span {
  font-size: 22px;
  font-weight: 900;
}

.mini-header i {
  width: 52px;
  height: 30px;
  border-radius: 999px;
  background: var(--green);
}

.mini-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
}

.mini-tabs b {
  padding: 12px;
  border-radius: 8px;
  background: #f0f6f4;
  text-align: center;
}

.mini-tabs b:last-child {
  background: var(--green);
  color: #ffffff;
}

.mini-option,
.mini-range {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 46px;
  padding: 12px 8px;
  border-bottom: 1px solid #edf3f1;
  font-weight: 780;
}

.mini-option::after {
  content: "";
  width: 18px;
  height: 18px;
  border: 2px solid var(--green);
  border-radius: 5px;
}

.mini-option.checked::after {
  background: var(--green);
  box-shadow: inset 0 0 0 4px #ffffff;
}

.mini-range {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.mini-range i {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green) 0 44%, #d8e5e1 44%);
}

.store-shot {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px;
  color: #ffffff;
  background:
    linear-gradient(180deg, rgba(16, 34, 31, 0.18), rgba(16, 34, 31, 0.92)),
    repeating-linear-gradient(45deg, #14362f 0 18px, #1e4b43 18px 19px);
}

.store-shot.dark {
  background:
    linear-gradient(180deg, rgba(18, 35, 74, 0.16), rgba(12, 24, 51, 0.92)),
    repeating-linear-gradient(45deg, #17305f 0 18px, #223f78 18px 19px);
}

.store-shot span {
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.store-shot strong {
  font-size: 24px;
  line-height: 1.12;
}

.trust-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 28px;
  align-items: start;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.trust-grid div {
  min-height: 96px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  font-weight: 820;
}

input[type="email"] {
  min-width: 0;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font: inherit;
}

input[type="email"]::placeholder {
  color: rgba(255, 255, 255, 0.58);
}

.contact-section {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 28px;
  align-items: start;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
}

.contact-section a {
  color: var(--green-dark);
  font-weight: 850;
}

.feedback-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.feedback-card {
  min-height: 104px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fbfa;
  text-decoration: none;
}

.feedback-card span,
.feedback-card strong {
  display: block;
}

.feedback-card span {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 860;
  text-transform: uppercase;
}

.feedback-card strong {
  color: var(--ink);
  font-size: 16px;
  line-height: 1.25;
}

.feedback-card:hover {
  border-color: rgba(18, 140, 126, 0.44);
  background: #eef8f4;
}

.policy-content {
  max-width: 920px;
  margin-top: 32px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
}

.policy-content h2 {
  margin: 32px 0 10px;
  color: var(--ink);
  font-size: 1.35rem;
}

.policy-content a {
  color: var(--green-dark);
  font-weight: 800;
}

.policy-content ul {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding-left: 24px;
}

.policy-content strong {
  color: var(--ink);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 0;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 980px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    flex-wrap: wrap;
  }

  .hero {
    min-height: 88vh;
  }

  .app-window {
    right: -440px;
    opacity: 0.74;
  }

  .proof-row,
  .feature-grid,
  .showcase-grid,
  .trust-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .trust-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    gap: 14px;
    padding: 14px 18px;
  }

  nav {
    gap: 12px;
    font-size: 13px;
  }

  .hero {
    min-height: 91vh;
    padding: 150px 18px 46px;
  }

  .app-window {
    right: -560px;
    top: 120px;
    opacity: 0.58;
  }

  .lead {
    font-size: 18px;
  }

  .install-strip,
  footer {
    display: grid;
    grid-template-columns: 1fr;
  }

  .proof-row {
    grid-template-columns: 1fr 1fr;
  }

  .feedback-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: 64px;
  }

  .feature-card,
  .popup-preview,
  .store-shot {
    min-height: auto;
  }
}