:root {
  --ink: #172128;
  --muted: #5d6a72;
  --line: #d9e2e6;
  --paper: #f7faf9;
  --panel: #ffffff;
  --teal: #0f766e;
  --teal-dark: #0b4f4c;
  --coral: #e35d45;
  --gold: #d9a441;
  --shadow: 0 24px 80px rgba(23, 33, 40, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(247, 250, 249, 0.92);
  border-bottom: 1px solid rgba(217, 226, 230, 0.85);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: white;
  background: var(--teal-dark);
  border-radius: 8px;
}

nav {
  display: flex;
  gap: 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

nav a {
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: clamp(48px, 8vw, 96px) clamp(18px, 4vw, 56px) 36px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.35rem, 5.6vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 16px;
  font-size: clamp(1.9rem, 3.5vw, 3.3rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.lead {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
}

.hero-actions,
.trust-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 0;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.primary-action {
  color: white;
  background: var(--coral);
  box-shadow: 0 14px 28px rgba(227, 93, 69, 0.22);
}

.primary-action:hover {
  background: #cb4d38;
}

.secondary-action {
  color: var(--teal-dark);
  background: #dcefeb;
}

.trust-row {
  color: var(--muted);
  font-size: 0.92rem;
}

.trust-row span {
  padding: 8px 10px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.hero-media {
  align-self: stretch;
  min-height: 360px;
}

.hero-media img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.band {
  margin: 0 clamp(18px, 4vw, 56px);
  padding: 24px;
  background: var(--teal-dark);
  color: white;
  border-radius: 8px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.metrics div {
  min-width: 0;
  padding: 10px 14px;
  border-left: 1px solid rgba(255, 255, 255, 0.24);
}

.metrics strong {
  display: block;
  margin: 6px 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1;
}

.metric-label,
.metrics span {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}

.section {
  padding: clamp(54px, 8vw, 104px) clamp(18px, 4vw, 56px);
}

.split,
.calculator,
.offer {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 1.22fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

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

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.feature-grid article {
  min-height: 178px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.icon {
  display: block;
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  background:
    linear-gradient(135deg, var(--teal) 0 49%, transparent 50%),
    linear-gradient(315deg, var(--gold) 0 49%, transparent 50%),
    #e8f4f1;
  border-radius: 8px;
}

.calc-panel,
.price-box {
  padding: 26px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 54px rgba(23, 33, 40, 0.08);
}

.calc-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 750;
}

input {
  width: 100%;
  min-height: 46px;
  padding: 0 12px;
  color: var(--ink);
  background: #f8fbfa;
  border: 1px solid var(--line);
  border-radius: 8px;
}

output {
  grid-column: 1 / -1;
  padding: 18px;
  color: var(--teal-dark);
  background: #e8f4f1;
  border-radius: 8px;
  font-weight: 850;
}

.offer {
  align-items: stretch;
  background: #edf4f2;
}

.offer-copy ul {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding-left: 20px;
}

.price-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
}

.price-box span {
  color: var(--muted);
  font-weight: 750;
}

.price-box strong {
  font-size: clamp(3rem, 6vw, 5.6rem);
  line-height: 1;
}

.full {
  width: 100%;
}

.faq {
  max-width: 980px;
}

details {
  margin-top: 12px;
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

summary {
  font-weight: 850;
  cursor: pointer;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding: 28px clamp(18px, 4vw, 56px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

footer p {
  margin: 0;
}

.hidden {
  display: none;
}

.delivery-page,
.legal-page,
.campaign-page {
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.14), transparent 45%),
    var(--paper);
}

.campaign-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 132px);
  padding: clamp(46px, 8vw, 92px) clamp(18px, 4vw, 56px);
}

.campaign-copy {
  max-width: 860px;
}

.campaign-panel {
  padding: clamp(24px, 4vw, 40px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.campaign-panel span {
  color: var(--teal);
  font-weight: 850;
  text-transform: uppercase;
}

.campaign-panel ul {
  display: grid;
  gap: 12px;
  margin: 20px 0 24px;
  padding-left: 20px;
}

.campaign-panel strong {
  display: block;
  margin: 0 0 18px;
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 1;
}

.delivery,
.legal {
  width: min(920px, calc(100% - 36px));
  margin: 0 auto;
  padding: 38px 0 72px;
}

.delivery-card,
.legal {
  margin-top: 30px;
  padding: clamp(26px, 5vw, 56px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.delivery-card h1,
.legal h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
}

.download {
  margin-top: 18px;
}

.legal h2 {
  margin-top: 30px;
  font-size: 1.45rem;
}

@media (max-width: 920px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .split,
  .calculator,
  .offer,
  .campaign-hero {
    grid-template-columns: 1fr;
  }

  .metrics,
  .calc-panel {
    grid-template-columns: 1fr;
  }

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

  .hero-media {
    min-height: 280px;
  }

  .hero-media img {
    min-height: 280px;
  }
}

@media (max-width: 560px) {
  nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
    font-size: 0.86rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-action,
  .secondary-action {
    width: 100%;
  }

  .band {
    padding: 16px;
  }
}