:root {
  --bg: #f4f7fb;
  --ink: #0f1b2f;
  --muted: #5e7190;
  --line: #dce4ef;
  --green: #1db954;
  --green-dark: #148b3e;
  --navy: #102033;
  --card: #ffffff;
  --shadow: 0 24px 70px rgba(11, 23, 42, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
}

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

.site-header {
  align-items: center;
  background: rgba(15, 27, 47, 0.94);
  backdrop-filter: blur(16px);
  color: #fff;
  display: flex;
  justify-content: space-between;
  padding: 14px clamp(18px, 4vw, 52px);
  position: sticky;
  top: 0;
  z-index: 30;
}

.brand img {
  display: block;
  height: 42px;
  object-fit: contain;
  width: 140px;
}

.site-header nav {
  align-items: center;
  display: flex;
  gap: 18px;
}

.site-header nav a {
  color: #d8e3f3;
  font-size: 14px;
  font-weight: 800;
}

.nav-action {
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  padding: 9px 16px;
}

.hero {
  align-items: center;
  background: #0f1b2f;
  color: #fff;
  display: grid;
  gap: 36px;
  grid-template-columns: minmax(300px, 0.8fr) minmax(420px, 1.2fr);
  min-height: calc(100vh - 70px);
  overflow: hidden;
  padding: clamp(28px, 5vw, 72px);
}

.hero-copy {
  max-width: 620px;
  position: relative;
  z-index: 2;
}

.hero-logo {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  height: auto;
  margin-bottom: 26px;
  max-width: 260px;
  padding: 12px 18px;
  width: 62%;
}

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

h1 {
  font-size: clamp(54px, 9vw, 116px);
  line-height: 0.86;
  margin-bottom: 20px;
}

.hero p {
  color: #c8d5e8;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.45;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-weight: 900;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
}

.btn.primary {
  background: var(--green);
  color: #06110b;
}

.btn.secondary {
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
}

.section-heading span {
  color: #6b7d98;
  display: block;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.customer-phone {
  display: flex;
  justify-content: center;
  position: relative;
}

.phone-shell {
  background: #151922;
  border: 10px solid #222938;
  border-radius: 34px;
  box-shadow: var(--shadow);
  max-width: 390px;
  min-height: 680px;
  padding: 22px;
  position: relative;
  width: 100%;
}

.phone-speaker {
  background: #343d51;
  border-radius: 999px;
  height: 6px;
  margin: 0 auto 26px;
  width: 92px;
}

.customer-card {
  background: #1d222d;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 22px;
}

.customer-card span {
  color: #8c9ab2;
  display: block;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.customer-card h2 {
  color: #fff;
  font-size: 34px;
  margin: 8px 0 22px;
}

.customer-card label {
  align-items: center;
  border: 2px solid var(--green);
  border-radius: 18px;
  display: flex;
  gap: 12px;
  padding: 12px 14px;
}

.customer-card i {
  color: var(--green);
  font-size: 28px;
  font-style: normal;
}

.customer-card input {
  background: transparent;
  border: 0;
  color: #fff;
  font: inherit;
  font-size: 24px;
  outline: 0;
  width: 100%;
}

.customer-card button {
  background: var(--green);
  border: 0;
  border-radius: 16px;
  color: #06110b;
  font: inherit;
  font-weight: 900;
  margin-top: 12px;
  min-height: 54px;
  width: 100%;
}

.song-results {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.song-results article {
  align-items: center;
  background: #202633;
  border-radius: 16px;
  color: #fff;
  display: grid;
  gap: 12px;
  grid-template-columns: 56px 1fr 34px;
  padding: 12px;
}

.song-results span {
  color: #8c9ab2;
  display: block;
  font-size: 13px;
  margin-top: 3px;
}

.song-results b:last-child {
  align-items: center;
  background: var(--green);
  border-radius: 50%;
  color: #06110b;
  display: flex;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.cover {
  border-radius: 12px;
  height: 56px;
}

.cover-green {
  background: linear-gradient(135deg, #1db954, #a8f0c6);
}

.cover-blue {
  background: linear-gradient(135deg, #1769ff, #96c3ff);
}

.cover-pink {
  background: linear-gradient(135deg, #e04f87, #ffc2d8);
}

.phone-message {
  background: rgba(29, 185, 84, 0.12);
  border: 1px solid rgba(29, 185, 84, 0.35);
  border-radius: 16px;
  color: #9af0b8;
  font-weight: 800;
  margin-top: 18px;
  padding: 14px;
  text-align: center;
}

.section {
  padding: clamp(54px, 8vw, 98px) clamp(18px, 5vw, 72px);
}

.section-heading {
  margin: 0 auto 30px;
  max-width: 860px;
  text-align: center;
}

.section-heading h2,
.cta h2 {
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1;
  margin: 8px 0 14px;
}

.section-heading p,
.screen-grid p,
.advantage-grid p,
.cta p,
footer span {
  color: var(--muted);
  line-height: 1.5;
}

.advantage-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(3, 1fr);
}

.advantage-grid article,
.cta {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 38px rgba(15, 27, 47, 0.08);
  padding: 22px;
}

.advantage-grid article b {
  display: block;
  font-size: 22px;
  margin-bottom: 8px;
}

.advantage-grid article {
  min-height: 210px;
  overflow: hidden;
  position: relative;
}

.advantage-grid article span {
  align-items: center;
  border-radius: 18px;
  display: flex;
  font-size: 30px;
  font-weight: 900;
  height: 64px;
  justify-content: center;
  margin-bottom: 18px;
  width: 64px;
}

.adv-green span { background: #dff9e8; color: #0b7d36; }
.adv-blue span { background: #e0edff; color: #1769ff; }
.adv-dark span { background: #102033; color: #1db954; }
.adv-pink span { background: #ffe1ec; color: #c2215e; }
.adv-yellow span { background: #fff2c5; color: #9f6800; }
.adv-purple span { background: #eadfff; color: #6537c5; }

.friendly-platform {
  align-items: center;
  display: grid;
  gap: 34px;
  grid-template-columns: minmax(300px, 0.9fr) minmax(360px, 1.1fr);
  margin: 0 auto;
  max-width: 1180px;
}

.friendly-copy span {
  color: var(--green-dark);
  display: block;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.friendly-copy h2 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1;
  margin: 8px 0 16px;
}

.friendly-copy p {
  color: var(--muted);
  font-size: 20px;
  line-height: 1.5;
}

.friendly-copy ul {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.friendly-copy li {
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  font-weight: 900;
  gap: 12px;
  padding: 14px;
}

.friendly-copy li b {
  align-items: center;
  background: var(--green);
  border-radius: 50%;
  color: #06110b;
  display: flex;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.friendly-image {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  min-height: 420px;
  overflow: hidden;
  position: relative;
}

.table-scene {
  background:
    radial-gradient(circle at 20% 18%, rgba(29, 185, 84, 0.28), transparent 28%),
    radial-gradient(circle at 82% 30%, rgba(23, 105, 255, 0.18), transparent 32%),
    linear-gradient(145deg, #102033, #17243a);
  height: 100%;
  min-height: 420px;
  position: relative;
}

.person {
  background: #f6d2b8;
  border-radius: 50% 50% 42% 42%;
  height: 96px;
  position: absolute;
  top: 82px;
  width: 96px;
}

.person::after {
  background: var(--green);
  border-radius: 42px 42px 8px 8px;
  content: "";
  height: 130px;
  left: -24px;
  position: absolute;
  top: 76px;
  width: 144px;
}

.person-left {
  left: 78px;
}

.person-right {
  right: 78px;
}

.person-right::after {
  background: #1769ff;
}

.table-phone {
  align-items: center;
  background: #fff;
  border: 10px solid #202938;
  border-radius: 28px;
  bottom: 46px;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
  color: var(--ink);
  display: grid;
  height: 210px;
  justify-content: center;
  left: 50%;
  padding: 22px;
  position: absolute;
  text-align: center;
  transform: translateX(-50%);
  width: 150px;
}

.table-phone span {
  border: 8px solid #111827;
  display: block;
  height: 86px;
  line-height: 68px;
  margin: 0 auto;
  width: 86px;
}

.table-phone strong {
  color: var(--green-dark);
  display: block;
  margin-top: 12px;
}

.music-notes i {
  color: var(--green);
  font-size: 38px;
  font-style: normal;
  position: absolute;
}

.music-notes i:nth-child(1) { left: 22%; top: 34px; }
.music-notes i:nth-child(2) { right: 22%; top: 52px; }
.music-notes i:nth-child(3) { left: 50%; top: 20px; }

.cta {
  align-items: center;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  margin: 0 clamp(18px, 5vw, 72px) clamp(54px, 8vw, 98px);
}

.image-cta {
  background: #050505;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  display: grid;
  place-items: center;
  justify-items: center;
  margin: 0 0 clamp(54px, 8vw, 98px);
  overflow: hidden;
  padding: clamp(22px, 4vw, 48px) clamp(18px, 6vw, 96px);
}

.image-cta img {
  display: block;
  height: auto;
  margin: 0 auto;
  max-width: 1080px;
  object-fit: contain;
  object-position: center;
  width: min(100%, 1080px);
}

footer {
  align-items: center;
  background: #0f1b2f;
  color: #fff;
  display: flex;
  gap: 18px;
  justify-content: center;
  padding: 28px;
}

footer img {
  height: 36px;
  object-fit: contain;
  width: 120px;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .site-header nav {
    flex-wrap: wrap;
  }

  .hero,
  .advantage-grid,
  .friendly-platform {
    grid-template-columns: 1fr;
  }

  .cta {
    align-items: stretch;
    flex-direction: column;
  }

  .image-cta {
    align-items: center;
    padding-inline: 12px;
  }
}

@media (max-width: 560px) {
  .site-header nav a:not(.nav-action) {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .phone-shell {
    min-height: 620px;
  }
}