:root {
  --bg: #f4f8f7;
  --surface: #ffffff;
  --ink: #11201d;
  --muted: #4d6560;
  --primary: #0f7666;
  --primary-strong: #0a4f44;
  --accent: #ff8b3d;
  --line: #d3e4df;
  --shadow: 0 24px 60px rgba(17, 32, 29, 0.14);
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Plus Jakarta Sans", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 0% 20%, #dff1eb 0%, transparent 36%),
    radial-gradient(circle at 95% 10%, #ffe8d5 0%, transparent 30%), var(--bg);
  line-height: 1.6;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(17, 32, 29, 0.05) 0.7px, transparent 0.7px);
  background-size: 4px 4px;
  opacity: 0.2;
  z-index: -1;
}

h1,
h2,
h3 {
  font-family: "Urbanist", sans-serif;
  line-height: 1.2;
  margin: 0;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1160px;
  margin: 0 auto;
  padding: 1.2rem 1rem;
  position: sticky;
  top: 0;
  background: rgba(244, 248, 247, 0.86);
  backdrop-filter: blur(12px);
  z-index: 20;
}

.brand {
  display: inline-flex;
  gap: 0.65rem;
  align-items: center;
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 1.2rem;
  margin: 0;
  padding: 0;
}

.nav-list a {
  text-decoration: none;
  font-weight: 600;
}

main {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1rem 4rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 1.3rem;
  align-items: stretch;
  padding: 1.8rem 0 1rem;
}

.hero-content,
.hero-card,
.card,
.calculator,
.contact-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-content {
  padding: 2.2rem;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.7rem);
  margin: 0.6rem 0 0.9rem;
}

.hero-content > p {
  color: var(--muted);
  max-width: 58ch;
}

.hero-actions {
  margin-top: 1.35rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.hero-trust {
  margin-top: 1.5rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0;
  list-style: none;
}

.hero-trust li {
  background: #ecf6f3;
  border: 1px solid #c8e2db;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  font-size: 0.92rem;
}

.hero-card {
  padding: 2rem;
  background: linear-gradient(155deg, #ffffff 0%, #f2fbf7 88%);
}

.hero-card h2 {
  font-size: clamp(1.45rem, 3vw, 2rem);
  margin-bottom: 0.65rem;
}

.hero-card p,
.hero-card li {
  color: var(--muted);
}

.hero-card ul {
  margin: 1rem 0 1.3rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.section {
  margin-top: 3.7rem;
}

.section-heading {
  margin-bottom: 1.2rem;
}

.eyebrow {
  color: var(--primary-strong);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.84rem;
}

.section-heading h2 {
  font-size: clamp(1.7rem, 4vw, 2.7rem);
  margin-top: 0.45rem;
}

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

.card {
  padding: 1.35rem;
}

.card h3 {
  font-size: 1.32rem;
}

.card p {
  color: var(--muted);
  margin-top: 0.6rem;
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 1rem;
  align-items: start;
}

.split-copy p {
  color: var(--muted);
  max-width: 60ch;
}

.split-copy h2 {
  margin: 0.55rem 0 0.8rem;
  font-size: clamp(1.6rem, 4vw, 2.5rem);
}

.calculator {
  display: grid;
  gap: 0.75rem;
  padding: 1.3rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-weight: 700;
  font-size: 0.94rem;
}

input,
textarea {
  border: 1px solid #c8dad4;
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  font: inherit;
  background: #f8fcfb;
}

input:focus,
textarea:focus {
  outline: 2px solid #98cfc1;
  border-color: #7ab8a9;
}

.timeline {
  padding: 0;
  margin: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.timeline li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem;
  align-items: start;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 0.95rem;
}

.timeline span {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(130deg, var(--primary), var(--accent));
}

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

.faq {
  display: grid;
  gap: 0.7rem;
}

details {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.8rem 1rem;
}

summary {
  cursor: pointer;
  font-weight: 700;
}

details p {
  margin-top: 0.55rem;
  color: var(--muted);
}

.contact-box {
  padding: 1.6rem;
  background: linear-gradient(140deg, #ffffff 0%, #f6fbff 100%);
}

.contact-box h2 {
  margin: 0.5rem 0 0.8rem;
  font-size: clamp(1.5rem, 3.5vw, 2.3rem);
}

.contact-box > p {
  color: var(--muted);
}

.contact-form {
  margin-top: 1rem;
  display: grid;
  gap: 0.72rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  max-width: 1160px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
  color: var(--muted);
}

.site-footer div {
  display: flex;
  gap: 1rem;
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 0.72rem 1rem;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(140deg, var(--primary-strong), var(--primary));
  color: #fff;
}

.btn-secondary {
  background: #e4f4f0;
  color: var(--primary-strong);
}

.btn-ghost {
  background: #eef7f4;
  color: var(--primary-strong);
}

.small-note {
  font-size: 0.88rem;
  color: #627a75;
}

.calc-result strong {
  color: var(--primary-strong);
  font-size: 1.15rem;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

@media (max-width: 930px) {
  .hero,
  .split,
  .cards {
    grid-template-columns: 1fr;
  }

  .desktop-cta {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    border: 1px solid var(--line);
    background: #ffffff;
    border-radius: 10px;
    padding: 0.5rem 0.75rem;
    font-weight: 700;
    cursor: pointer;
  }

  .nav-list {
    display: none;
    position: absolute;
    right: 1rem;
    top: 72px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 0.7rem;
    box-shadow: var(--shadow);
    min-width: 210px;
    flex-direction: column;
    gap: 0.35rem;
  }

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

@media (max-width: 560px) {
  .site-header {
    padding-top: 0.9rem;
  }

  .brand-text {
    font-size: 0.96rem;
  }

  .hero-content,
  .hero-card,
  .card,
  .calculator,
  .contact-box {
    padding: 1rem;
    border-radius: 14px;
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    width: 100%;
  }
}