:root {
  --bg: #f6f3ee;
  --bg-alt: #ebe6dc;
  --ink: #1c1a17;
  --muted: #5c574f;
  --card: #ffffff;
  --line: #d9d2c6;
  --accent: #1f4d3a;
  --accent-hover: #16382a;
  --accent-soft: #e3efe8;
  --shadow: 0 10px 30px rgba(28, 26, 23, 0.08);
  --radius: 14px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

a {
  color: var(--accent);
}

img {
  max-width: 100%;
}

.wrap {
  width: min(1080px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246, 243, 238, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.5rem;
}

.logo {
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.nav {
  display: none;
  gap: 1rem;
  font-size: 0.95rem;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
}

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

.hero {
  padding: 3rem 0 2.5rem;
  background:
    radial-gradient(circle at top right, rgba(31, 77, 58, 0.12), transparent 40%),
    linear-gradient(180deg, #f6f3ee 0%, #efe9df 100%);
}

.hero-inner {
  max-width: 42rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.lede {
  margin: 0 0 1.5rem;
  font-size: 1.1rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.hero-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.8rem 1.2rem;
  font-weight: 650;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font: inherit;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn-ghost:hover {
  background: var(--card);
}

.section {
  padding: 3.5rem 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.02em;
}

.section-intro {
  margin: 0 0 1.5rem;
  color: var(--muted);
}

.cards {
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.card h3,
.steps h3 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
}

.card p,
.steps p,
.demo-grid p {
  margin: 0;
  color: var(--muted);
}

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

.demo-callout {
  background: var(--accent-soft);
  border: 1px solid #c5d9cd;
  border-radius: var(--radius);
  padding: 1.25rem;
}

.demo-callout strong {
  display: block;
  margin-bottom: 0.4rem;
}

.demo-proof {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.75rem;
  grid-template-columns: 1fr;
}

.proof-card {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.85rem 0.85rem 1rem;
  box-shadow: var(--shadow);
}

.proof-card img {
  display: block;
  width: 100%;
  max-width: 280px;
  height: auto;
  margin: 0 auto;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: #111;
}

.proof-card figcaption {
  margin-top: 0.7rem;
  text-align: center;
  font-weight: 700;
  font-size: 0.95rem;
}

.steps {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
}

.step-num {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

.section-contact {
  background: #17261f;
  color: #f4f1ea;
}

.section-contact a {
  color: #b7e0c8;
}

.section-contact .contact-inner {
  display: grid;
  gap: 1.5rem;
}

.section-contact h2 {
  color: #fff;
}

.section-contact p {
  color: #d6d0c5;
}

.contact-form {
  display: grid;
  gap: 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 1.2rem;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.2);
  color: #fff;
  padding: 0.75rem 0.85rem;
  font: inherit;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #a8a194;
}

.contact-form .btn {
  width: fit-content;
}

.form-note {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 400;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.25rem 0 2rem;
  background: var(--bg);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-inner p {
  margin: 0;
}

@media (min-width: 720px) {
  .nav {
    display: flex;
  }

  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .demo-grid {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }

  .demo-proof {
    grid-template-columns: repeat(4, 1fr);
    align-items: start;
  }

  .section-contact .contact-inner {
    grid-template-columns: 1fr 1.1fr;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .cards {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

.form-success {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: #b7e0c8;
}

.form-error {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: #ffb4a8;
}

.contact-form .btn:disabled {
  opacity: 0.7;
  cursor: wait;
}