:root {
  color-scheme: light;
  --ink-strong: #0f1116;
  --ink: #1f242b;
  --ink-soft: #4f5a69;
  --accent: #101a2a;
  --accent-light: #eef1f6;
  --paper: #f5f5f7;
  --paper-bright: #ffffff;
  --line: rgba(15, 20, 30, 0.14);
  --shadow: 0 30px 80px rgba(15, 20, 30, 0.12);
  --radius: 22px;
  --radius-sm: 14px;
  --max-width: 1180px;
  --font-sans: "SF Pro Text", "Helvetica Neue", "Avenir Next", "Helvetica",
    sans-serif;
  --font-display: "SF Pro Display", "Helvetica Neue", "Avenir Next", "Helvetica",
    sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: radial-gradient(
      1200px circle at 70% -10%,
      rgba(10, 132, 255, 0.12),
      transparent 55%
    ),
    linear-gradient(180deg, #f6f7f9 0%, #edf1f5 55%, #f8f9fb 100%);
  color: var(--ink);
  min-height: 100vh;
}

html {
  scroll-behavior: smooth;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(
      circle at 15% 20%,
      rgba(15, 20, 30, 0.05),
      transparent 45%
    ),
    radial-gradient(circle at 85% 10%, rgba(10, 132, 255, 0.08), transparent 48%);
  pointer-events: none;
  z-index: -1;
}

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

img {
  display: block;
  max-width: 100%;
}

.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px clamp(24px, 5vw, 64px);
  background: #ffffff;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: padding 0.4s ease, border-color 0.4s ease,
    background 0.4s ease;
}

.site-header.is-scrolled {
  padding: 14px clamp(20px, 4vw, 48px);
  border-color: var(--line);
  background: #ffffff;
  box-shadow: 0 16px 40px rgba(15, 20, 30, 0.06);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0;
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.02em;
  font-weight: 500;
  color: var(--ink-strong);
}

.brand__icon {
  width: 0;
  height: 0;
  object-fit: contain;
  opacity: 0;
  transform: scale(0.9);
  transition: width 0.4s ease, height 0.4s ease, opacity 0.3s ease,
    transform 0.4s ease;
}

.brand__name {
  display: inline-block;
  white-space: nowrap;
  overflow: hidden;
  max-width: 200px;
  transition: max-width 0.4s ease, opacity 0.3s ease;
}

.site-header.is-scrolled .brand__name {
  max-width: 0;
  opacity: 0;
}

.site-header.is-scrolled .brand__icon {
  width: 40px;
  height: 40px;
  opacity: 1;
  transform: scale(1);
}

.site-nav {
  display: flex;
  gap: 28px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.site-nav a {
  position: relative;
  padding-bottom: 4px;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 1px;
  background: var(--ink-soft);
  transition: width 0.3s ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  width: 100%;
}

main {
  flex: 1;
}

.hero {
  display: grid;
  gap: 28px;
  align-items: center;
  padding: clamp(72px, 10vw, 140px) clamp(24px, 7vw, 110px)
    clamp(56px, 8vw, 120px);
  text-align: center;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero__content {
  max-width: 820px;
  margin: 0 auto;
}

.hero__content h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4.6rem);
  line-height: 1.02;
  color: var(--ink-strong);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero__lead {
  font-size: 1.15rem;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: 26px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.button {
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.3s ease,
    border-color 0.3s ease, background 0.3s ease;
}

.button--primary {
  background: linear-gradient(135deg, #0e1624, #1f2a3d);
  color: #ffffff;
  box-shadow: 0 20px 50px rgba(15, 20, 30, 0.22);
}

.button--primary:hover,
.button--primary:focus-visible {
  transform: translateY(-1px);
}

.button--ghost {
  border-color: rgba(15, 20, 30, 0.18);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.8);
}

.hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
  max-width: 960px;
  margin: 0 auto;
}

.meta-item {
  display: grid;
  gap: 8px;
  padding: 0 10px;
  text-align: center;
}

.meta-title {
  font-size: 0.75rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.meta-item p {
  color: var(--ink);
  line-height: 1.6;
}

.section {
  padding: clamp(64px, 9vw, 120px) clamp(24px, 7vw, 110px);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section--tight {
  padding-top: clamp(40px, 6vw, 80px);
}

.section__header {
  max-width: 760px;
  margin-bottom: 28px;
  text-align: center;
}

.section__header--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section__header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 2.6vw, 2.6rem);
  color: var(--ink-strong);
  margin-top: 8px;
}

.eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.split {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: start;
}

.split__text p {
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 16px;
}

.split__list {
  display: grid;
  gap: 18px;
}

.list-item {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  background: var(--paper-bright);
  border: 1px solid var(--line);
}

.list-icon {
  font-weight: 600;
  color: var(--accent);
}

.section--accent {
  background: linear-gradient(180deg, #f1f4f8, #eef1f6);
}

.role {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  max-width: 980px;
  width: 100%;
}

.role__copy p {
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: 16px;
}

.role__steps {
  display: grid;
  gap: 18px;
  border-left: 1px solid var(--line);
  padding-left: 22px;
}

.step {
  position: relative;
  padding-left: 8px;
}

.step::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink-strong);
  box-shadow: 0 0 0 6px rgba(15, 20, 30, 0.08);
}

.step__title {
  display: block;
  font-weight: 600;
  color: var(--ink-strong);
  margin-bottom: 6px;
}

.step p {
  color: var(--ink-soft);
  line-height: 1.6;
}

.site-footer {
  padding: 36px clamp(24px, 6vw, 90px);
  background: #0d1117;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: rgba(255, 255, 255, 0.72);
}

.contact-card {
  display: grid;
  gap: 16px;
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid rgba(15, 20, 30, 0.12);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
}

.contact-card p {
  color: var(--ink-soft);
  line-height: 1.6;
}

.contact-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid rgba(15, 20, 30, 0.2);
  background: linear-gradient(135deg, #ffffff, #f2f5fa);
  color: var(--ink-strong);
  font-weight: 600;
  letter-spacing: 0.02em;
  box-shadow: 0 20px 40px rgba(15, 20, 30, 0.16);
  transition: transform 0.2s ease, box-shadow 0.3s ease;
}

.contact-chip:hover,
.contact-chip:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 18px 36px rgba(43, 52, 64, 0.16);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  color: #ffffff;
}

.footer-brand img {
  width: 30px;
  height: 30px;
  filter: brightness(1.2);
}

.site-footer p {
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

@media (prefers-reduced-motion: no-preference) {
  .hero__content {
    animation: fade-up 0.8s ease-out both;
  }

  .hero__meta {
    animation: fade-up 0.9s ease-out both;
    animation-delay: 0.1s;
  }

  .feature-list .feature-item {
    animation: fade-up 0.7s ease-out both;
  }

  .feature-list .feature-item:nth-child(2) {
    animation-delay: 0.05s;
  }

  .feature-list .feature-item:nth-child(3) {
    animation-delay: 0.1s;
  }

  .feature-list .feature-item:nth-child(4) {
    animation-delay: 0.15s;
  }

  .trust-grid .trust-item {
    animation: fade-up 0.6s ease-out both;
  }

  .trust-grid .trust-item:nth-child(2) {
    animation-delay: 0.05s;
  }

  .trust-grid .trust-item:nth-child(3) {
    animation-delay: 0.1s;
  }

  .trust-grid .trust-item:nth-child(4) {
    animation-delay: 0.15s;
  }

  .role__steps .step {
    animation: fade-up 0.6s ease-out both;
  }

  .role__steps .step:nth-child(2) {
    animation-delay: 0.05s;
  }

  .role__steps .step:nth-child(3) {
    animation-delay: 0.1s;
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .site-nav {
    display: none;
  }
}

@media (max-width: 700px) {
  .hero {
    padding: 48px 20px 60px;
  }

  .hero__content h1 {
    font-size: clamp(2rem, 7vw, 2.6rem);
  }

  .hero__meta {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 18px 0;
  }

  .section {
    padding: 52px 20px;
  }

  .feature-list,
  .role,
  .trust-grid {
    gap: 16px;
  }

  .role__steps {
    border-left: none;
    padding-left: 0;
  }

  .step {
    padding-left: 0;
  }

  .step::before {
    display: none;
  }

  .contact-card {
    padding: 20px;
  }

  .contact-chip {
    width: 100%;
  }

  .site-footer {
    padding: 28px 20px;
    flex-direction: column;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
.feature-list {
  display: grid;
  gap: 24px;
  width: 100%;
  max-width: 860px;
}

.feature-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.feature-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.feature-item h3 {
  font-size: 1.1rem;
  color: var(--ink-strong);
  margin-bottom: 10px;
}

.feature-item p {
  color: var(--ink-soft);
  line-height: 1.7;
}

.trust-grid {
  display: grid;
  gap: 24px;
  width: 100%;
  max-width: 980px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.trust-item {
  padding-top: 16px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.trust-item h3 {
  font-size: 1rem;
  color: var(--ink-strong);
  margin-bottom: 8px;
}

.trust-item p {
  color: var(--ink-soft);
  line-height: 1.6;
}
