:root {
  --ink: #14202f;
  --muted: #647083;
  --line: #dce9ef;
  --cyan: #00b8d9;
  --teal: #51dca6;
  --blue: #0b5eaa;
  --paper: #f7fbfd;
  --white: #ffffff;
  --shadow: 0 22px 60px rgba(18, 54, 80, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--white);
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: clamp(16px, 4vw, 52px);
  right: clamp(16px, 4vw, 52px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 14px;
  padding: 16px clamp(18px, 4vw, 42px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  color: #fff;
  background: rgba(7, 31, 52, 0.72);
  box-shadow: 0 18px 46px rgba(4, 22, 38, 0.24);
  backdrop-filter: blur(16px);
}

.brand,
.header-cta,
nav a,
.button,
.feature-card,
.accordion-list article,
.solution-thumb,
.stats article {
  transition: transform 220ms ease, box-shadow 220ms ease, background 220ms ease, color 220ms ease, border-color 220ms ease;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand:hover,
nav a:hover,
.header-cta:hover {
  transform: translateY(-2px);
}

nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 3vw, 42px);
  font-size: 13px;
  font-weight: 650;
}

nav a {
  opacity: 0.88;
}

nav a:hover {
  opacity: 1;
  color: #83f0ca;
}

.header-cta {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 18px;
  color: var(--ink);
  background: #fff;
  font-size: 13px;
  font-weight: 750;
}

.header-cta:hover {
  background: #77eac3;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
}

.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding: 150px clamp(24px, 6vw, 92px) 105px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(6, 24, 43, 0.84), rgba(8, 57, 83, 0.48), rgba(255, 255, 255, 0.06)),
    url("https://images.unsplash.com/photo-1508514177221-188b1cf16e9d?auto=format&fit=crop&w=1800&q=85");
  background-size: cover;
  background-position: center 42%;
}

.hero-overlay {
  position: absolute;
  inset: auto 0 0;
  height: 44%;
  background: linear-gradient(0deg, rgba(8, 19, 32, 0.72), rgba(8, 19, 32, 0));
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(900px, 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #7ff0c3;
}

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

h1 {
  max-width: 980px;
  margin-bottom: 22px;
  font-size: clamp(46px, 8vw, 92px);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 9px;
  font-size: 20px;
}

p {
  color: var(--muted);
  line-height: 1.75;
}

.hero p {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 24px;
  font-size: 14px;
  font-weight: 800;
}

.button.primary {
  color: #063348;
  background: linear-gradient(135deg, #8af4c7, #11c4df);
  box-shadow: 0 16px 38px rgba(0, 184, 217, 0.25);
}

.button.ghost {
  border-color: rgba(255, 255, 255, 0.44);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.button:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 38px rgba(8, 40, 56, 0.24);
}

.button.ghost:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.78);
}

.section {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 105px 0;
}

.section-heading {
  max-width: 760px;
}

.centered {
  margin: 0 auto;
  text-align: center;
}

.centered p {
  margin-left: auto;
  margin-right: auto;
  max-width: 720px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 54px;
}

.stats article {
  min-height: 168px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 36px rgba(14, 54, 75, 0.06);
}

.stats article:hover,
.feature-card:hover,
.accordion-list article:hover {
  transform: translateY(-7px);
  border-color: rgba(0, 184, 217, 0.5);
  box-shadow: var(--shadow);
}

.stats strong {
  display: block;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 28px;
}

.stats span {
  color: var(--muted);
  line-height: 1.65;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(38px, 7vw, 92px);
  align-items: center;
}

.image-panel {
  position: relative;
  overflow: hidden;
  min-height: 540px;
  border-radius: 8px 8px 92px 8px;
  box-shadow: var(--shadow);
}

.image-panel img {
  width: 100%;
  height: 100%;
  min-height: 540px;
  object-fit: cover;
  display: block;
}

.panel-badge {
  position: absolute;
  left: 24px;
  bottom: 24px;
  border-radius: 999px;
  padding: 13px 18px;
  color: #fff;
  background: rgba(6, 32, 52, 0.66);
  backdrop-filter: blur(9px);
  font-weight: 800;
}

.accordion-list {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.accordion-list article {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.solution-thumb {
  width: 54px;
  height: 54px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 12px 24px rgba(8, 45, 65, 0.14);
}

.accordion-list article:hover .solution-thumb {
  transform: scale(1.08);
}

.advantages {
  padding-top: 80px;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 42px;
}

.feature-card {
  min-height: 310px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #fff, #f7fcff);
}

.feature-card span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  margin-bottom: 56px;
  border-radius: 50%;
  color: var(--blue);
  background: #e7fbf4;
  font-weight: 850;
}

.landscape-band {
  position: relative;
  overflow: hidden;
  height: 360px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(7, 27, 42, 0.18)),
    url("https://images.unsplash.com/photo-1500534314209-a25ddb2bd429?auto=format&fit=crop&w=1800&q=85");
  background-size: cover;
  background-position: center;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 52px;
}

.timeline article {
  position: relative;
  padding-top: 36px;
}

.timeline article::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--line);
}

.timeline article::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 0;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 7px #e9fbff;
}

.timeline span {
  display: block;
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 850;
}

.contact-band {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto 100px;
  padding: clamp(38px, 6vw, 68px);
  border-radius: 8px 80px 8px 8px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(5, 52, 88, 0.94) 0%, rgba(0, 154, 190, 0.86) 48%, rgba(92, 220, 165, 0.72) 100%),
    url("https://images.unsplash.com/photo-1497435334941-8c899ee9e8e9?auto=format&fit=crop&w=1400&q=85");
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow);
}

.contact-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(112deg, transparent 0 63%, rgba(255, 255, 255, 0.16) 63.2% 70%, transparent 70.2% 100%);
  pointer-events: none;
}

.contact-band > div,
.contact-band .button {
  position: relative;
  z-index: 1;
}

.contact-band h2 {
  max-width: 720px;
}

.contact-band p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.82);
}

.contact-band .eyebrow {
  color: #b7ffe0;
}

.contact-band .button.primary {
  min-width: 250px;
  min-height: 58px;
  border: 3px solid rgba(255, 255, 255, 0.98);
  color: #063348;
  background: #fff;
  box-shadow: 0 20px 44px rgba(4, 45, 65, 0.28);
}

.button.light:hover {
  color: #fff;
  background: #052944;
  border-color: #052944;
}

footer {
  overflow: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 26%, rgba(120, 230, 179, 0.34), transparent 30%),
    linear-gradient(135deg, #f4fbff 0%, #e9f8f6 52%, #f7fff9 100%);
  border-radius: 92px 0 0 0;
  padding: 74px clamp(24px, 6vw, 92px) 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr repeat(3, 1fr);
  gap: 42px;
  width: min(1180px, 100%);
  margin: 0 auto 58px;
}

footer strong,
footer span {
  display: block;
  margin-bottom: 16px;
  color: #12304a;
  font-weight: 850;
}

footer p,
footer a {
  display: block;
  color: #52647a;
  font-size: 14px;
  line-height: 1.8;
}

footer a:hover {
  color: var(--cyan);
  transform: translateX(3px);
}

.copyright {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(0, 184, 217, 0.18);
  color: #6b7d90;
  font-size: 13px;
}

@media (max-width: 920px) {
  .site-header {
    left: 18px;
    right: 18px;
    padding: 14px 18px;
  }

  nav {
    display: none;
  }

  .hero {
    min-height: 680px;
  }

  .stats,
  .split,
  .advantage-grid,
  .timeline,
  .contact-band,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: auto;
  }

  .feature-card span {
    margin-bottom: 28px;
  }

  .contact-band {
    margin-bottom: 70px;
  }
}

@media (max-width: 560px) {
  .site-header {
    gap: 12px;
  }

  .header-cta {
    min-height: 34px;
    padding: 0 14px;
  }

  .hero {
    min-height: 650px;
    padding: 118px 22px 88px;
  }

  h1 {
    font-size: clamp(40px, 13vw, 60px);
  }

  .section {
    width: calc(100% - 36px);
    padding: 74px 0;
  }

  .image-panel,
  .image-panel img {
    min-height: 390px;
  }

  .accordion-list article {
    grid-template-columns: 1fr;
  }

  .landscape-band {
    height: 260px;
  }

  footer {
    border-radius: 56px 0 0 0;
  }
}