:root {
  --bg: #f7fbfc;
  --card: #ffffff;
  --text: #12313a;
  --muted: #5f7680;
  --primary: #155e75;
  --primary-2: #0e7490;
  --accent: #f59e0b;
  --line: #d8e7eb;
  --soft: #e8f5f7;
  --shadow: 0 24px 70px rgba(18, 49, 58, .12);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(14, 116, 144, .14), transparent 36rem),
    linear-gradient(180deg, #f7fbfc 0%, #eef7f9 100%);
  color: var(--text);
}

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

p {
  line-height: 1.7;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  background: rgba(247, 251, 252, .86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(216, 231, 235, .75);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  font-weight: 800;
  font-size: 1.12rem;
  letter-spacing: -.02em;
}

.brand img {
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(21, 94, 117, .18);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: .95rem;
  color: var(--muted);
}

.main-nav a:hover {
  color: var(--primary);
}

.nav-cta {
  color: white !important;
  background: var(--primary);
  padding: .7rem 1rem;
  border-radius: 999px;
  font-weight: 700;
}

.menu-button {
  display: none;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: .65rem 1rem;
  color: var(--text);
  font-weight: 700;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  padding: clamp(4rem, 8vw, 7rem) clamp(1rem, 4vw, 4rem) 3rem;
  max-width: 1280px;
  margin: 0 auto;
}

.eyebrow {
  color: var(--primary-2);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: .78rem;
  margin: 0 0 .8rem;
}

h1, h2, h3 {
  letter-spacing: -.04em;
  line-height: 1.08;
  margin: 0;
}

h1 {
  font-size: clamp(2.6rem, 6vw, 5.3rem);
  max-width: 930px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
}

h3 {
  font-size: 1.22rem;
}

.hero-text {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 760px;
  margin: 1.4rem 0 0;
}

.hero-actions,
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  margin-top: 1.7rem;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: .85rem 1.15rem;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 12px 30px rgba(21, 94, 117, .23);
}

.primary:hover {
  background: #0f4e62;
}

.secondary {
  background: white;
  color: var(--primary);
  border-color: var(--line);
}

.full {
  width: 100%;
}

.trust-row {
  color: var(--muted);
  font-size: .93rem;
}

.trust-row span {
  background: rgba(255,255,255,.72);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .6rem .8rem;
}

.hero-card {
  position: relative;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 12% -6% -8% 16%;
  background: rgba(245, 158, 11, .16);
  border-radius: 40px;
  transform: rotate(-4deg);
}

.mock-window {
  position: relative;
  background: rgba(255,255,255,.9);
  border: 1px solid rgba(216, 231, 235, .9);
  box-shadow: var(--shadow);
  border-radius: 30px;
  padding: 1.1rem;
  backdrop-filter: blur(14px);
}

.window-dots {
  display: flex;
  gap: .35rem;
  margin-bottom: 1rem;
}

.window-dots i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--line);
}

.mock-title {
  font-weight: 800;
  margin-bottom: 1rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .8rem;
}

.stats-grid div,
.mock-list div,
.feature-card,
.price-card,
.audience-grid div,
.steps div,
.highlight-card,
.contact-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 35px rgba(18, 49, 58, .07);
}

.stats-grid div {
  padding: 1rem;
}

.stats-grid strong {
  display: block;
  font-size: 2rem;
  letter-spacing: -.04em;
  color: var(--primary);
}

.stats-grid span,
.mock-list span {
  color: var(--muted);
  font-size: .9rem;
}

.mock-list {
  display: grid;
  gap: .75rem;
  margin-top: .9rem;
}

.mock-list div {
  padding: 1rem;
}

.mock-list b {
  display: block;
  margin-bottom: .25rem;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 4vw, 2rem);
}

.problem {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 2rem;
  align-items: start;
  border-top: 1px solid var(--line);
}

.problem p,
.split p,
.section-heading p,
.cta p {
  color: var(--muted);
  margin-bottom: 0;
}

.split {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 2rem;
  align-items: center;
}

.highlight-card {
  padding: 1.5rem;
  background: linear-gradient(145deg, #ffffff, #eaf8fb);
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: .75rem;
}

.check-list li {
  position: relative;
  padding-left: 1.7rem;
  color: var(--muted);
  line-height: 1.55;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary-2);
  font-weight: 900;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2rem;
}

.feature-grid,
.pricing-grid,
.audience-grid,
.pme-grid,
.steps {
  display: grid;
  gap: 1rem;
}

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

.feature-card {
  padding: 1.35rem;
}

.pme {
  max-width: none;
  background: #ffffff;
  border-block: 1px solid rgba(216, 231, 235, .85);
}

.pme > * {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
}

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

.pme-grid article {
  background: linear-gradient(145deg, #ffffff, #edf8fa);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 35px rgba(18, 49, 58, .07);
  padding: 1.4rem;
}

.pme-grid p {
  color: var(--muted);
}

.security {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 2rem;
  align-items: center;
}

.security p {
  color: var(--muted);
}

.security-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .9rem;
}

.security-list div {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 12px 35px rgba(18, 49, 58, .07);
  padding: 1rem;
}

.security-list strong,
.security-list span {
  display: block;
}

.security-list span {
  color: var(--muted);
  margin-top: .35rem;
  line-height: 1.55;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--soft);
  color: var(--primary);
  font-weight: 900;
  border-radius: 14px;
  margin-bottom: 1rem;
}

.feature-card p,
.price-card p,
.audience-grid p,
.steps p,
.faq p,
.contact-card p,
.site-footer p {
  color: var(--muted);
}

.audience {
  background: rgba(255,255,255,.42);
  border-block: 1px solid rgba(216, 231, 235, .75);
  max-width: none;
}

.audience > * {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
}

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

.audience-grid div {
  padding: 1.4rem;
}

.plans {
  max-width: 1240px;
}

.pricing-grid {
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
}

.price-card {
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

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

.price-card.featured {
  border: 2px solid var(--primary-2);
  transform: translateY(-10px);
  box-shadow: 0 24px 70px rgba(14, 116, 144, .16);
}

.badge {
  width: fit-content;
  background: var(--accent);
  color: #3b2602;
  font-weight: 900;
  padding: .45rem .7rem;
  border-radius: 999px;
  font-size: .8rem;
}

.price {
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: -.06em;
  margin: 1rem 0 .2rem;
}

.price span {
  font-size: .95rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0;
}

.muted {
  color: var(--muted);
}

.implementation-note {
  margin-top: 1.4rem;
  padding: 1rem 1.2rem;
  background: #fff7e6;
  border: 1px solid #f7d99a;
  border-radius: 18px;
  color: #5e4308;
}

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

.steps div {
  padding: 1.2rem;
}

.steps span {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--primary);
  color: white;
  font-weight: 900;
  margin-bottom: 1rem;
}

.faq-list {
  display: grid;
  gap: .8rem;
}

details {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem 1.1rem;
}

summary {
  cursor: pointer;
  font-weight: 800;
}

.cta {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 2rem;
  align-items: center;
}

.contact-card {
  padding: 1.4rem;
  display: grid;
  gap: .9rem;
}

.contact-card p {
  margin-top: .5rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 4vw, 4rem);
  background: var(--text);
  color: white;
}

.site-footer p {
  margin: .4rem 0 0;
}

.footer-links {
  display: flex;
  gap: 1rem;
  color: rgba(255,255,255,.72);
}

@media (max-width: 920px) {
  .menu-button {
    display: inline-flex;
  }

  .main-nav {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: 74px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    background: white;
    border: 1px solid var(--line);
    border-radius: 22px;
    box-shadow: var(--shadow);
    padding: 1rem;
  }

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

  .hero,
  .problem,
  .split,
  .security,
  .cta {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .pricing-grid,
  .audience-grid,
  .pme-grid,
  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .price-card.featured {
    transform: none;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: .85rem 1rem;
  }

  .brand span {
    font-size: 1rem;
  }

  .hero {
    padding-top: 3rem;
  }

  .feature-grid,
  .pricing-grid,
  .audience-grid,
  .pme-grid,
  .steps,
  .security-list,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 2.55rem;
  }

  .site-footer {
    flex-direction: column;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}