:root {
  --ink: #0f1c24;
  --muted: #4a5f6d;
  --fog: #e8eef2;
  --river: #1a6b7c;
  --river-deep: #0f4a56;
  --sand: #f6f3ef;
  --accent: #c45c26;
  --max: 58rem;
  --danger: #9b2c2c;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", system-ui, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--sand);
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

header {
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(15, 28, 36, 0.08);
  background: rgba(246, 243, 239, 0.92);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-family: Fraunces, Georgia, serif;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--river-deep);
  text-decoration: none;
  letter-spacing: -0.02em;
}

nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

nav a:hover {
  color: var(--river);
}

.hero {
  padding: 4rem 0 3.5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto;
  height: 70%;
  background: radial-gradient(ellipse at 30% 0%, rgba(26, 107, 124, 0.12), transparent 55%);
  pointer-events: none;
}

.hero .wrap {
  position: relative;
}

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--river);
  margin-bottom: 0.75rem;
}

h1 {
  font-family: Fraunces, Georgia, serif;
  font-weight: 600;
  font-size: clamp(2.1rem, 5vw, 2.85rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
  color: var(--ink);
  max-width: 22ch;
}

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 40ch;
  margin: 0 0 1.75rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.35rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, transform 0.15s;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--river);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--river-deep);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--river-deep);
  border: 1px solid rgba(15, 74, 86, 0.25);
}

.btn-ghost:hover:not(:disabled) {
  border-color: var(--river);
  color: var(--river);
}

section {
  padding: 3rem 0;
}

section:nth-of-type(even) {
  background: #fff;
  box-shadow: 0 1px 0 rgba(15, 28, 36, 0.06);
}

h2 {
  font-family: Fraunces, Georgia, serif;
  font-size: 1.65rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  color: var(--ink);
}

.section-intro {
  color: var(--muted);
  margin: 0 0 2rem;
  max-width: 42ch;
}

.grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--fog);
  border-radius: 10px;
  padding: 1.35rem 1.4rem;
  border: 1px solid rgba(15, 28, 36, 0.06);
}

section:nth-of-type(even) .card {
  background: var(--sand);
}

.card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--river-deep);
}

.card p {
  margin: 0;
  font-size: 0.98rem;
  color: var(--muted);
}

.list-check {
  list-style: none;
  padding: 0;
  margin: 0;
}

.list-check li {
  padding: 0.5rem 0 0.5rem 1.75rem;
  position: relative;
  color: var(--muted);
  border-bottom: 1px solid rgba(15, 28, 36, 0.06);
}

.list-check li:last-child {
  border-bottom: 0;
}

.list-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--river);
  opacity: 0.85;
}

.footprint {
  font-size: 0.95rem;
  color: var(--muted);
}

.footprint strong {
  color: var(--ink);
  font-weight: 600;
}

footer {
  padding: 2.5rem 0 3rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

footer a {
  color: var(--river);
  font-weight: 500;
}

.page-main {
  padding: 3rem 0 4rem;
}

.form-panel {
  max-width: 32rem;
  background: #fff;
  border-radius: 10px;
  padding: 1.75rem 1.5rem;
  border: 1px solid rgba(15, 28, 36, 0.08);
  box-shadow: 0 8px 28px rgba(15, 28, 36, 0.06);
}

.form-field {
  margin-bottom: 1.15rem;
}

.form-field label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
  color: var(--ink);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid rgba(15, 28, 36, 0.15);
  border-radius: 6px;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid rgba(26, 107, 124, 0.35);
  outline-offset: 1px;
}

.form-field textarea {
  min-height: 9rem;
  resize: vertical;
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-actions {
  margin-top: 1.5rem;
}

.form-status {
  margin-top: 1rem;
  font-size: 0.95rem;
}

.form-status.ok {
  color: var(--river-deep);
}

.form-status.err {
  color: var(--danger);
}

.banner-ok {
  background: rgba(26, 107, 124, 0.1);
  border: 1px solid rgba(26, 107, 124, 0.25);
  color: var(--river-deep);
  padding: 0.85rem 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-size: 0.98rem;
}