:root {
  --ink: #0b1f2a;
  --ink-soft: #1f3a48;
  --paper: #f3f7f8;
  --sea: #0e6b6c;
  --sea-deep: #0a4f50;
  --accent: #d97706;
  --accent-soft: #f59e0b;
  --mist: #c5d8dc;
  --white: #ffffff;
  --danger: #b42318;
  --ok: #067647;
  --warn: #b54708;
  --shadow: 0 18px 50px rgba(11, 31, 42, 0.18);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  padding: 1.25rem 0;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--white);
}
.brand-logo {
  height: 3.35rem;
  width: auto;
  display: block;
  border-radius: 0.65rem;
  filter: drop-shadow(0 10px 22px rgba(0, 0, 0, 0.3));
}
.brand-mark {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.7rem;
  background: linear-gradient(145deg, var(--accent-soft), var(--accent));
  display: grid;
  place-items: center;
  font-weight: 800;
  color: var(--ink);
  box-shadow: 0 8px 20px rgba(217, 119, 6, 0.35);
}
.brand-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.hero-logo {
  height: clamp(4.6rem, 10.5vw, 6.5rem);
  width: auto;
  margin: 0 0 1.15rem;
  border-radius: 0.85rem;
  filter: drop-shadow(0 16px 36px rgba(0, 0, 0, 0.34));
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  color: rgba(255,255,255,0.88);
  font-size: 0.95rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 0;
  cursor: pointer;
  border-radius: 0.55rem;
  padding: 0.85rem 1.25rem;
  font-weight: 700;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(217, 119, 6, 0.28);
}
.btn-primary:hover { background: #c26704; }
.btn-ghost {
  background: rgba(255,255,255,0.12);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.28);
  backdrop-filter: blur(8px);
}
.btn-dark {
  background: var(--ink);
  color: var(--white);
}
.btn-sea {
  background: var(--sea);
  color: var(--white);
}
.btn-sea:hover { background: var(--sea-deep); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--mist);
  color: var(--ink);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 18% 20%, rgba(245, 158, 11, 0.28), transparent 36%),
    linear-gradient(120deg, rgba(11, 31, 42, 0.82), rgba(14, 107, 108, 0.55)),
    url("https://images.unsplash.com/photo-1450101499163-c8848c66ca85?auto=format&fit=crop&w=2000&q=80")
      center/cover no-repeat;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 140px;
  background: linear-gradient(to top, var(--paper), transparent);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 8.5rem 0 5.5rem;
  max-width: 720px;
  animation: rise 0.9s ease both;
}
.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin: 0 0 1rem;
  text-shadow: 0 10px 40px rgba(0,0,0,0.35);
}
.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 600;
  max-width: 28ch;
}
.hero p {
  margin: 0 0 1.75rem;
  font-size: 1.08rem;
  color: rgba(255,255,255,0.9);
  max-width: 42ch;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.8rem; }
.hero-badge {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.28);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero-note {
  margin: 1rem 0 0;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.82);
  max-width: 46ch;
}

.section {
  padding: 4.5rem 0;
}
.section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
}
.section .lead {
  margin: 0 0 2rem;
  color: var(--ink-soft);
  max-width: 52ch;
}

.steps {
  display: grid;
  gap: 1.5rem;
  counter-reset: step;
}
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 0.25rem 0;
  animation: fade-up 0.7s ease both;
}
.step:nth-child(2) { animation-delay: .1s; }
.step:nth-child(3) { animation-delay: .2s; }
.step:nth-child(4) { animation-delay: .3s; }
.step::before {
  counter-increment: step;
  content: counter(step);
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  background: var(--sea);
  color: white;
  display: grid;
  place-items: center;
  font-weight: 800;
}
.step h3 { margin: 0 0 0.25rem; font-size: 1.1rem; }
.step p { margin: 0; color: var(--ink-soft); }

.features {
  display: grid;
  gap: 1.75rem;
}
.feature h3 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
}
.feature p {
  margin: 0;
  color: var(--ink-soft);
}
.feature-label {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sea);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.sii-band {
  background:
    linear-gradient(135deg, #0b1f2a 0%, #0e6b6c 55%, #125e63 100%);
  color: white;
  border-radius: 1.25rem;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}
.sii-band::before {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: -60px;
  top: -80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,158,11,0.35), transparent 65%);
  animation: pulse 4s ease-in-out infinite;
}
.sii-band h2, .sii-band p { position: relative; z-index: 1; }
.sii-band p { color: rgba(255,255,255,0.88); max-width: 55ch; }

.pricing {
  display: grid;
  gap: 1.5rem;
  align-items: end;
}
.pricing-kicker {
  margin: 0 0 0.35rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sea);
}
.pricing-points {
  margin: 0 0 1.25rem;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}
.pricing-points li { margin-bottom: 0.45rem; }
.pricing-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.pricing-aside {
  text-align: right;
}
.price-note {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0;
  letter-spacing: -0.03em;
}
.price-sub {
  margin: 0.65rem 0 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
  max-width: 28ch;
  margin-left: auto;
}
.faq details {
  border-top: 1px solid var(--mist);
  padding: 1rem 0;
}
.faq details:last-child { border-bottom: 1px solid var(--mist); }
.faq summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq p { color: var(--ink-soft); margin: 0.65rem 0 0; }

.site-footer {
  padding: 2.5rem 0 3rem;
  color: var(--ink-soft);
  border-top: 1px solid var(--mist);
}
.site-footer strong {
  color: var(--ink);
  font-family: var(--font-display);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.08); opacity: 1; }
}

@media (min-width: 800px) {
  .steps { grid-template-columns: 1fr 1fr; }
  .features { grid-template-columns: 1fr 1fr; }
  .pricing { grid-template-columns: 1.2fr 0.8fr; }
}

@media (max-width: 720px) {
  .nav-links a:not(.btn) { display: none; }
  .hero-content { padding-top: 7.5rem; }
  .container { padding-left: 1rem; padding-right: 1rem; }
  .hero-cta {
    display: grid;
    gap: .65rem;
  }
  .hero-cta .btn { width: 100%; justify-content: center; text-align: center; }
  .pricing-aside { text-align: left; }
  .price-sub { margin-left: 0; }
  .pricing-cta { display: grid; }
  .pricing-cta .btn { width: 100%; justify-content: center; }
  .site-header .container {
    gap: .75rem;
  }
}

@media (max-width: 480px) {
  .hero-content { padding-top: 6.5rem; }
  .brand-name { font-size: 1rem; }
}