:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-soft: #eef4ff;
  --primary: #1a73e8;
  --primary-dark: #0d4fc8;
  --primary-soft: rgba(26, 115, 232, 0.12);
  --accent: #1bc4a2;
  --heading: #172033;
  --text: #4d5a75;
  --muted: #7b879f;
  --border: rgba(23, 32, 51, 0.08);
  --shadow: 0 25px 60px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 16px 32px rgba(15, 23, 42, 0.06);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: min(1180px, calc(100% - 32px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  padding: 96px 0;
}

.section-soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(238, 244, 255, 0.75));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(245, 247, 251, 0.82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  border-color: var(--border);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
  background: rgba(245, 247, 251, 0.96);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--heading);
}

.brand-logo {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 14px;
  box-shadow: inset 0 0 0 1px rgba(26, 115, 232, 0.12);
  background: linear-gradient(135deg, #dfeeff, #bfd8ff);
}

.brand-mark {
  display: none;
}

.brand-mark svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--primary);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand-text {
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.96rem;
  color: var(--heading);
  opacity: 0.82;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  opacity: 1;
  color: var(--primary);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  border-radius: 14px;
  padding: 0 22px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 12px 28px rgba(26, 115, 232, 0.22);
}

.button-secondary {
  background: var(--surface);
  border-color: rgba(26, 115, 232, 0.12);
  color: var(--heading);
  box-shadow: var(--shadow-soft);
}

.button-light {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.09);
}

.nav-button {
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--heading);
  border-radius: 99px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding-top: 72px;
  padding-bottom: 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
}

.eyebrow,
.section-tag {
  display: inline-flex;
  align-items: center;
  background: var(--primary-soft);
  border: 1px solid rgba(26, 115, 232, 0.15);
  color: var(--primary-dark);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.eyebrow {
  margin-bottom: 18px;
}

.hero-copy h1,
.section-heading h2,
.intro-content h2,
.cta-box h2 {
  margin: 0;
  color: var(--heading);
  letter-spacing: -0.05em;
  line-height: 1.04;
}

.hero-copy h1 {
  font-size: clamp(2.8rem, 5vw, 4.9rem);
  max-width: 600px;
}

.hero-copy p,
.intro-content p,
.cta-box p,
.step-card p,
.benefit-item p,
.feature-card p,
.pricing-card li,
.faq-item p,
.footer-brand p {
  color: var(--text);
}

.hero-copy p {
  font-size: 1.13rem;
  max-width: 620px;
  margin: 20px 0 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--heading);
  font-weight: 600;
}

.hero-meta li {
  position: relative;
  padding-left: 18px;
}

.hero-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(27, 196, 162, 0.1);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 640px;
}

.background-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
  opacity: 0.7;
}

.orb-one {
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(26,115,232,0.25), rgba(26,115,232,0.04) 60%, transparent 70%);
  left: 15%;
  top: 10%;
}

.orb-two {
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(27,196,162,0.2), rgba(27,196,162,0.03) 65%, transparent 70%);
  right: 10%;
  bottom: 8%;
}

.device-frame {
  position: relative;
  width: min(420px, 100%);
  padding: 12px 12px 18px;
  border-radius: 36px;
  background: linear-gradient(180deg, #111827 0%, #0f172a 100%);
  box-shadow: 0 28px 60px rgba(15, 23, 42, 0.22);
  border: 1px solid rgba(255,255,255,0.18);
}

.device-frame.small {
  width: min(280px, 100%);
  padding: 10px 10px 14px;
  border-radius: 26px;
}

.device-frame.emphasized {
  transform: translateY(-18px);
}

.device-notch {
  width: 130px;
  height: 18px;
  background: rgba(255,255,255,0.08);
  border-radius: 0 0 18px 18px;
  margin: 0 auto 14px;
  display: block;
}

.device-frame img {
  width: 100%;
  border-radius: 22px;
  background: #edf3ff;
  border: 1px solid rgba(255,255,255,0.08);
}

.section-heading {
  margin-bottom: 42px;
}

.section-heading h2,
.intro-content h2 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  max-width: 760px;
}

.intro-content {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.intro-content h2 {
  margin: 18px auto 18px;
}

.feature-grid,
.benefits-grid,
.steps-grid,
.pricing-grid,
.showcase-grid {
  display: grid;
  gap: 24px;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card,
.step-card,
.benefit-item,
.pricing-card {
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 22px 24px;
  box-shadow: var(--shadow-soft);
}

.feature-card {
  min-height: 100%;
}

.feature-icon,
.benefit-icon {
  width: 54px;
  height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(26,115,232,0.12), rgba(27,196,162,0.12));
  color: var(--primary-dark);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 18px;
}

.feature-card h3,
.step-card h3,
.benefit-item h3,
.pricing-card h3,
.footer-column h3 {
  margin: 0 0 12px;
  color: var(--heading);
  letter-spacing: -0.04em;
}

.feature-card p,
.step-card p,
.benefit-item p,
.pricing-card ul,
.faq-item p,
.footer-brand p {
  margin: 0;
}

.showcase-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
}

.showcase-device {
  display: flex;
  justify-content: center;
}

.steps-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-card {
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(238,244,255,0.9));
}

.step-number {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--primary-dark);
}

.pricing-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pricing-card h3 {
  font-size: 1.8rem;
}

.card-label {
  color: var(--muted);
  font-weight: 600;
  margin: -8px 0 0;
}

.pricing-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
  color: var(--text);
  flex: 1;
}

.pricing-card li {
  position: relative;
  padding-left: 18px;
}

.pricing-card li::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.pricing-card .button {
  margin-top: auto;
}

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(26,115,232,0.08), rgba(255,255,255,1));
  border-color: rgba(26,115,232,0.18);
  box-shadow: 0 24px 38px rgba(26,115,232,0.12);
}

.popular-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.72rem;
  font-weight: 700;
}

.benefits-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.benefit-item {
  min-height: 100%;
}

.faq-wrap {
  display: grid;
  gap: 28px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 0 20px;
  box-shadow: var(--shadow-soft);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 0;
  color: var(--heading);
  font-weight: 700;
  position: relative;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 18px;
  font-size: 1.5rem;
  color: var(--primary-dark);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  padding: 0 0 20px;
}

.cta-box {
  background: linear-gradient(135deg, #0d1a2f, #1a73e8);
  border-radius: 28px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 36px 38px;
  box-shadow: 0 24px 52px rgba(26, 115, 232, 0.22);
}

.section-tag.light {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.2);
  color: rgba(255, 255, 255, 0.9);
}

.cta-box h2 {
  color: #fff;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-top: 18px;
  margin-bottom: 10px;
}

.cta-box p {
  color: rgba(255,255,255,0.75);
  margin: 0;
}

.site-footer {
  background: #0d1729;
  color: rgba(255,255,255,0.8);
  padding: 68px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.8fr 0.9fr;
  gap: 28px;
}

.footer-brand-link {
  color: #fff;
  margin-bottom: 18px;
}

.footer-brand p {
  margin: 0;
  max-width: 360px;
  color: rgba(255,255,255,0.65);
}

.footer-column h3 {
  margin-bottom: 16px;
  color: #fff;
}

.footer-column ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.footer-column a {
  color: rgba(255,255,255,0.7);
}

.footer-column a:hover,
.footer-column a:focus-visible {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 30px;
  padding-top: 18px;
}

.footer-bottom p {
  margin: 0;
  color: rgba(255,255,255,0.7);
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (max-width: 1100px) {
  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .benefits-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .section {
    padding: 80px 0;
  }

  .nav-container {
    gap: 12px;
  }

  .main-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 12px);
    display: none;
    padding: 18px 16px;
    background: rgba(255,255,255,0.96);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: block;
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .nav-button {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-grid,
  .showcase-grid,
  .steps-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 530px;
  }

  .feature-grid,
  .benefits-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 560px) {
  .section {
    padding: 72px 0;
  }

  .button {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-meta {
    flex-direction: column;
    gap: 12px;
  }

  .feature-grid,
  .benefits-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .device-frame {
    width: min(320px, 100%);
  }

  .cta-box {
    padding: 28px 20px;
  }
}