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

:root {
  --bg-start: #f7f1ff;
  --bg-end: #c9a6ff;
  --bg-accent: rgba(166, 119, 255, 0.35);
  --bg-highlight: rgba(255, 255, 255, 0.55);
}

body {
  margin: 0;
  font-family: "SF Pro Display", "Inter", -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  color: #0b0414;
  background: linear-gradient(180deg, var(--bg-start) 0%, var(--bg-end) 100%);
  min-height: 100vh;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(120% 140% at 15% 10%, var(--bg-highlight), transparent 72%),
    radial-gradient(140% 150% at 85% 15%, var(--bg-accent), transparent 68%),
    linear-gradient(180deg, var(--bg-start) 0%, var(--bg-end) 100%);
  pointer-events: none;
  z-index: -1;
  transition: background 1.2s ease-in-out, opacity 1.2s ease-in-out;
  will-change: background;
}

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

.page {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  width: 100%;
  padding: clamp(14px, 3vw, 22px) clamp(18px, 6vw, 48px);
  background: rgba(89, 0, 255, 0.72);
  /* background: #5d2dfd; */
  backdrop-filter: blur(18px);
  display: flex;
  justify-content: center;
  isolation: isolate;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 40px rgba(5, 4, 14, 0.28);
}

.site-header::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 80%);
  pointer-events: none;
  z-index: -1;
}

.hero {
  position: relative;
  padding: 32px clamp(24px, 6vw, 120px) 96px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(110% 90% at 0% 10%, var(--bg-highlight), transparent 70%),
    radial-gradient(90% 120% at 100% 0%, var(--bg-accent), transparent 75%),
    linear-gradient(115deg, rgba(255, 255, 255, 0.75) 0%, rgba(255, 255, 255, 0) 65%);
  z-index: -1;
  opacity: 0.45;
}

.nav {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 10px clamp(16px, 4vw, 28px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(16px, 4vw, 32px);
  position: relative;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #ffffff;
}

.logo:hover {
  color: #ffffff;
}

.nav-tagline {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 28px);
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.82);
  position: relative;
  padding-bottom: 4px;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: #ffffff;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #5d2dfd, #a278ff);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
  opacity: 0.9;
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.nav-cta:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.24);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(0, 0, 0, 0.12);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.nav-toggle:hover {
  transform: translateY(-1px);
  background: rgba(0, 0, 0, 0.18);
}

.nav-toggle-line {
  width: 16px;
  height: 2px;
  background: #ffffff;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle-line + .nav-toggle-line {
  margin-top: 6px;
}

.nav.is-open .nav-toggle-line:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav.is-open .nav-toggle-line:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

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

.hero-content {
  max-width: 520px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.75rem;
  color: rgba(11, 4, 20, 0.6);
  margin-bottom: 16px;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 4vw, 3.6rem);
  line-height: 1.05;
  margin: 0 0 24px;
}

.subtitle {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(11, 4, 20, 0.72);
  margin: 0 0 32px;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  border: 1px solid transparent;
}

.button.primary {
  background: linear-gradient(135deg, #5d2dfd, #a278ff);
  color: #ffffff;
  box-shadow: 0 16px 32px rgba(93, 45, 253, 0.35);
}

.button.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 36px rgba(93, 45, 253, 0.4);
}

.button.ghost {
  background: rgba(93, 45, 253, 0.08);
  color: #5d2dfd;
  border-color: rgba(93, 45, 253, 0.16);
}

.button.ghost:hover {
  background: rgba(93, 45, 253, 0.14);
}

.button.wide {
  width: 100%;
}

.hero-card {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  background: rgba(255, 255, 255, 0.6);
  padding: 24px 32px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(24px);
}

.metric-label {
  display: block;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: rgba(11, 4, 20, 0.6);
  margin-bottom: 8px;
}

.metric-value {
  font-size: 1.8rem;
  font-weight: 600;
  color: #341273;
}

.hero-card .divider {
  width: 1px;
  background: rgba(106, 71, 226, 0.18);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.device {
  position: relative;
  width: clamp(260px, 40vw, 360px);
  aspect-ratio: 828 / 1500;
  padding: clamp(16px, 2.5vw, 22px);
  border-radius: 36px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.1));
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 30px 60px rgba(61, 32, 137, 0.28);
}

.device::before {
  content: "";
  position: absolute;
  top: clamp(10px, 1.5vw, 14px);
  left: 50%;
  transform: translateX(-50%);
  width: clamp(48px, 12vw, 68px);
  height: clamp(4px, 0.8vw, 7px);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.12);
}

.device-screen {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 26px;
  overflow: hidden;
  background: #010101;
}

.device-screen-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.section {
  position: relative;
  padding: clamp(72px, 10vw, 128px) clamp(24px, 6vw, 120px);
  z-index: 1;
  isolation: isolate;
}

.section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(110% 120% at 15% 15%, rgba(255, 255, 255, 0.18), transparent 68%),
    radial-gradient(110% 140% at 85% 25%, rgba(255, 255, 255, 0.08), transparent 72%);
  opacity: 0.45;
  pointer-events: none;
  z-index: -1;
  transition: background 1.2s ease-in-out, opacity 1.2s ease-in-out;
}

.section-header {
  max-width: 620px;
  margin-bottom: clamp(48px, 6vw, 72px);
  position: relative;
  z-index: 1;
}

.section-header.centered {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.1;
  margin: 0 0 20px;
}

.section-subtitle {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(11, 4, 20, 0.68);
  margin: 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(24px, 4vw, 48px);
}

.step-card {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(140, 103, 255, 0.2);
  border-radius: 28px;
  padding: clamp(28px, 5vw, 40px);
  box-shadow: 0 20px 40px rgba(52, 18, 115, 0.1);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 32px 60px rgba(52, 18, 115, 0.15);
}

.step-number {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(93, 45, 253, 0.7);
}

.step-card h3 {
  margin: 0;
  font-size: 1.2rem;
  color: #341273;
}

.step-card p {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.7;
  color: rgba(11, 4, 20, 0.7);
}

.why-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(36px, 6vw, 72px);
  padding: clamp(32px, 7vw, 64px);
  border-radius: 40px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(140, 103, 255, 0.28);
  box-shadow: 0 32px 60px rgba(52, 18, 115, 0.16);
  backdrop-filter: blur(16px);
  max-width: 1100px;
  margin: 0 auto;
}

.why-intro h2 {
  margin-bottom: 20px;
}

.why-intro .section-subtitle {
  max-width: 520px;
}

.why-highlights {
  display: grid;
  gap: clamp(18px, 4vw, 28px);
}

.highlight-card {
  position: relative;
  padding: clamp(24px, 5vw, 32px);
  border-radius: 28px;
  background: rgba(248, 246, 255, 0.92);
  border: 1px solid rgba(140, 103, 255, 0.22);
  box-shadow: 0 24px 48px rgba(52, 18, 115, 0.12);
  display: grid;
  gap: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.highlight-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 32px 64px rgba(52, 18, 115, 0.18);
}

.highlight-index {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(93, 45, 253, 0.7);
}

.highlight-card h3 {
  margin: 0;
  font-size: 1.18rem;
  color: #341273;
}

.highlight-card p {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.7;
  color: rgba(11, 4, 20, 0.7);
}

.section-header.narrow {
  max-width: 520px;
}

.testimonial {
  max-width: 580px;
  font-size: 1.2rem;
  line-height: 1.8;
  color: rgba(11, 4, 20, 0.72);
}

.quote {
  margin: 0 0 16px;
}

.quote-author {
  margin: 0;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(11, 4, 20, 0.55);
}

.contact {
  padding-bottom: clamp(96px, 12vw, 160px);
}

.contact-card {
  background: rgba(255, 255, 255, 0.85);
  border-radius: 32px;
  padding: clamp(40px, 6vw, 64px);
  max-width: 520px;
  box-shadow: 0 36px 72px rgba(52, 18, 115, 0.12);
  border: 1px solid rgba(104, 74, 221, 0.16);
}

.contact-card h2 {
  margin: 0 0 20px;
  font-size: clamp(2rem, 3vw, 2.8rem);
}

.contact-card p {
  margin: 0 0 32px;
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(11, 4, 20, 0.68);
}

.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer {
  margin-top: auto;
  padding: 48px clamp(24px, 6vw, 120px);
  display: flex;
  flex-direction: column;
  gap: 32px;
  font-size: 0.95rem;
  color: rgba(11, 4, 20, 0.72);
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(24px, 5vw, 40px);
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(11, 4, 20, 0.08);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.footer-logo {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #30116d;
}

.footer-slogan {
  margin: 0;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(11, 4, 20, 0.55);
}

.footer-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.footer-heading {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(11, 4, 20, 0.62);
}

.footer-link {
  color: #351278;
  font-weight: 600;
  text-decoration: none;
}

.footer-link:hover {
  text-decoration: underline;
}

.footer-address,
.footer-meta {
  margin: 0;
  color: rgba(11, 4, 20, 0.62);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.85rem;
  color: rgba(11, 4, 20, 0.55);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a {
  color: rgba(11, 4, 20, 0.62);
}

.footer-links a:hover {
  color: rgba(11, 4, 20, 0.82);
}


@media (max-width: 768px) {
  .nav {
    gap: 16px;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 12px);
    right: clamp(16px, 6vw, 32px);
    left: clamp(16px, 6vw, 32px);
    padding: 20px;
    border-radius: 16px;
    background: rgba(12, 8, 32, 0.92);
    box-shadow: 0 22px 48px rgba(9, 3, 24, 0.35);
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    z-index: 10;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .nav-links a {
    width: 100%;
    display: block;
  }

  .nav-links .nav-link {
    color: rgba(255, 255, 255, 0.86);
    padding: 6px 0;
  }

  .nav-links .nav-link:hover {
    color: #ffffff;
  }

  .nav.is-open .nav-links {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-link,
  .nav-cta {
    font-size: 0.95rem;
  }

  .nav-link::after {
    display: none;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
    margin-top: 6px;
    border-color: rgba(255, 255, 255, 0.18);
    background: linear-gradient(135deg, #5d2dfd, #a278ff);
  }

  .hero-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-card .divider {
    display: none;
  }
}

@media (max-width: 600px) {
  .hero {
    padding-top: 24px;
  }

  .site-header {
    padding: 16px clamp(20px, 6vw, 32px);
  }

  .nav {
    max-width: none;
  }

  .cta-group {
    flex-direction: column;
  }

  .device {
    width: 100%;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .nav {
    gap: 12px;
  }

  .nav-links {
    left: clamp(14px, 6vw, 20px);
    right: clamp(14px, 6vw, 20px);
    padding: 16px;
    gap: 12px;
  }

  .nav-link,
  .nav-cta {
    width: 100%;
    text-align: center;
  }

  .footer {
    padding: 40px clamp(20px, 6vw, 32px);
  }

  .footer-brand,
  .footer-block {
    align-items: flex-start;
  }
}

.section#trust {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.section#trust .section-header,
.section#trust .testimonial {
  margin-left: auto;
  margin-right: auto;
}

.contact {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 1;
}

.contact-card {
  margin: 0 auto;
  width: 100%;
  max-width: 520px;
}

@media (max-width: 768px) {
  .contact {
    display: block;
  }
}