:root {
  --turquoise: #19d4d2;
  --turquoise-dark: #008d92;
  --turquoise-soft: #e9fbfa;
  --white: #ffffff;
  --warm-white: #fbfdfd;
  --gray: #7d8b93;
  --graphite: #26343b;
  --line: #dceeee;
  --shadow: 0 24px 80px rgba(24, 165, 164, .18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--graphite);
  background: var(--warm-white);
}
a { color: inherit; text-decoration: none; }
.site-header {
  height: 92px;
  padding: 0 6vw;
  display: flex;
  align-items: center;
  gap: 34px;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(25, 212, 210, .12);
}
.brand img { width: 215px; display: block; }
.nav {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: 30px;
  font-size: 14px;
}
.nav a { opacity: .82; }
.nav a:hover { color: var(--turquoise-dark); }
.header-contact {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  color: var(--gray);
  line-height: 1.35;
}
.header-contact strong { font-size: 17px; color: var(--graphite); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 12px;
  padding: 17px 28px;
  background: linear-gradient(135deg, #14d8d5, #73e7df);
  color: white;
  font-weight: 700;
  box-shadow: 0 12px 28px rgba(25, 212, 210, .28);
  cursor: pointer;
}
.btn-small { padding: 13px 20px; font-size: 14px; }
.hero {
  min-height: 680px;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  padding: 72px 6vw 46px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 72% 38%, rgba(25, 212, 210, .2), transparent 32%),
    linear-gradient(120deg, white 0%, white 42%, #ecfbfa 100%);
  z-index: -2;
}
.hero-bg:after {
  content: "";
  position: absolute;
  right: -180px;
  top: -90px;
  width: 750px;
  height: 750px;
  border-radius: 50%;
  border: 55px solid rgba(25, 212, 210, .13);
}
.eyebrow {
  text-transform: uppercase;
  color: var(--turquoise-dark);
  letter-spacing: .18em;
  font-size: 13px;
  font-weight: 700;
  margin: 0 0 22px;
}
.center { text-align: center; }
h1, h2, h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  margin: 0;
}
h1 {
  font-size: clamp(44px, 5vw, 76px);
  line-height: 1.05;
  letter-spacing: -.03em;
}
h1 span { color: var(--turquoise-dark); }
.lead {
  max-width: 560px;
  margin: 30px 0;
  font-size: 20px;
  line-height: 1.7;
  color: #43535a;
}
.hero-actions { display: flex; align-items: center; gap: 26px; margin: 34px 0 66px; }
.link-play { color: var(--turquoise-dark); font-weight: 700; }
.link-play span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-right: 10px;
  border-radius: 50%;
  background: white;
  box-shadow: var(--shadow);
}
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 780px;
}
.features div, .benefits div, .solution-grid div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.72);
}
.features b, .benefits b { display: block; margin-bottom: 8px; }
.features span, .benefits span { color: var(--gray); font-size: 13px; line-height: 1.45; }
.hero-device {
  display: flex;
  align-items: center;
  justify-content: center;
}
.device-card {
  width: min(460px, 88%);
  aspect-ratio: 4/5;
  border-radius: 42px;
  background:
    radial-gradient(circle at 50% 18%, #ffffff, #f2f8f8 54%, #d8efef);
  border: 1px solid white;
  box-shadow: var(--shadow);
  position: relative;
  transform: rotate(-4deg);
}
.screen {
  width: 45%;
  height: 26%;
  background: linear-gradient(135deg, #1d333b, #234b53);
  border-radius: 18px;
  position: absolute;
  left: 50%;
  top: 17%;
  transform: translateX(-50%);
  box-shadow: inset 0 0 0 10px #f7ffff;
}
.device-name {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translateX(-50%);
  color: rgba(0, 141, 146, .28);
  font-size: 30px;
  letter-spacing: .18em;
  font-weight: 700;
}
.device-lines {
  position: absolute;
  right: 18%;
  bottom: 20%;
  width: 32%;
  height: 40%;
  border: 20px solid #e6eeee;
  border-left: 0;
  border-radius: 0 80px 80px 0;
}
.section { padding: 72px 6vw; }
.section h2 {
  text-align: center;
  font-size: clamp(34px, 4vw, 54px);
  margin-bottom: 44px;
}
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.card {
  min-height: 290px;
  padding: 30px;
  border-radius: 24px;
  background: white;
  border: 1px solid var(--line);
  box-shadow: 0 16px 50px rgba(24, 52, 59, .06);
  position: relative;
  overflow: hidden;
}
.card h3 { color: var(--turquoise-dark); font-size: 28px; margin-bottom: 16px; }
.card p { color: #53636a; line-height: 1.65; max-width: 78%; }
.card a { color: var(--turquoise-dark); font-weight: 800; }
.card-visual {
  position: absolute;
  right: -28px;
  bottom: -20px;
  width: 180px;
  height: 180px;
  border-radius: 34px;
  background: radial-gradient(circle, rgba(25,212,210,.5), rgba(255,255,255,.8) 58%);
}
.card-visual:after {
  content: "";
  position: absolute;
  inset: 42px;
  border-radius: 22px;
  background: white;
  box-shadow: inset 0 0 0 12px #e4f7f7;
}
.stats {
  margin: 0 6vw;
  padding: 42px 56px;
  border-radius: 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 34px;
  background: linear-gradient(135deg, #17caca, #c9f7f3);
  color: white;
  box-shadow: var(--shadow);
}
.stats b { display: block; font-family: Georgia, serif; font-size: 32px; font-weight: 400; margin-bottom: 10px; }
.stats span { opacity: .95; line-height: 1.5; }
.about {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 60px;
  align-items: center;
}
.about h2 { text-align: left; margin-bottom: 24px; }
.about p { font-size: 18px; line-height: 1.75; color: #53636a; }
.about-image {
  min-height: 430px;
  border-radius: 28px;
  background: linear-gradient(145deg, #ffffff, #eefafa);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.about-image img { width: 82%; filter: drop-shadow(0 20px 40px rgba(0,0,0,.08)); }
.benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 30px;
}
.solutions { background: white; }
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.solution-grid h3 { color: var(--turquoise-dark); font-size: 28px; margin-bottom: 10px; }
.solution-grid p { color: #53636a; line-height: 1.7; }
.request {
  margin: 72px 6vw;
  padding: 44px;
  border-radius: 26px;
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 45px;
  align-items: center;
  background: linear-gradient(135deg, #effcfc, #d6f7f5);
  border: 1px solid var(--line);
}
.request h2 { text-align: left; margin-bottom: 18px; font-size: 42px; }
.request p { color: #53636a; line-height: 1.7; }
form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
input, select {
  width: 100%;
  height: 58px;
  border: 1px solid #d8eeee;
  border-radius: 12px;
  padding: 0 18px;
  font: inherit;
  background: white;
  color: var(--graphite);
  outline: none;
}
form .btn { grid-column: 2; height: 58px; }
.footer {
  padding: 46px 6vw;
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
  border-top: 1px solid var(--line);
  background: white;
}
.footer img { width: 220px; }
.footer h4 { margin: 0 0 14px; }
.footer a, .footer p { display: block; color: #617078; margin: 9px 0; line-height: 1.5; }

@media (max-width: 980px) {
  .site-header { height: auto; padding: 18px 5vw; flex-wrap: wrap; }
  .nav { order: 3; width: 100%; overflow-x: auto; justify-content: flex-start; padding-bottom: 8px; }
  .hero, .about, .request { grid-template-columns: 1fr; }
  .cards, .stats, .solution-grid, .benefits, .features, .footer { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  form { grid-template-columns: 1fr; }
  form .btn { grid-column: auto; }
}