:root {
  --accent: #34d399;
  --accent-hover: #2bbf82;
  --accent-soft: rgba(52, 211, 153, 0.12);
  --dark: #0d1f1a;
  --dark-2: #122a22;
  --dark-3: #1a3530;
  --light: #f7faf8;
  --tint: #ecf5f1;
  --tint-2: #e2efe9;
  --text: #1a2b26;
  --text-muted: #5d7068;
  --white: #ffffff;
  --border: #d8e4df;
  --radius: 8px;
  --radius-lg: 12px;
  --header-h: 64px;
  --max-w: 1140px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Instrument Sans', sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--light);
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; }

input, textarea {
  font-family: inherit;
  font-size: 16px;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--text);
}

input:focus, textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

/* ---------- Layout ---------- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.container.narrow {
  max-width: 760px;
}

section {
  scroll-margin-top: 120px;
}

/* ---------- Typography ---------- */
.eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.eyebrow-accent { color: var(--accent); }
.eyebrow-center { display: block; text-align: center; }

.section-title {
  font-size: clamp(1.75rem, 3.8vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 1.12;
  color: var(--text);
}

.section-title-center { text-align: center; }

.section-lead {
  margin-top: 16px;
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 50ch;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 13px 28px;
  border-radius: var(--radius);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
  min-height: 44px;
  line-height: 1;
}

.btn-filled {
  background: var(--accent);
  color: var(--dark);
}

.btn-filled:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-outline {
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  color: var(--white);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-full {
  width: 100%;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 42px;
  z-index: 100;
  background: var(--dark);
  border-bottom: 1px solid rgba(52, 211, 153, 0.12);
}

.nav-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.wordmark {
  font-size: clamp(0.85rem, 2vw, 1rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  white-space: nowrap;
}

.wordmark-accent {
  color: var(--accent);
  margin-left: 0.35em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.72);
  transition: color 0.2s ease;
  min-height: 44px;
  display: flex;
  align-items: center;
}

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

.nav-cta {
  color: var(--dark) !important;
  background: var(--accent);
  padding: 10px 22px;
  border-radius: var(--radius);
}

.nav-cta:hover {
  background: var(--accent-hover);
  color: var(--dark) !important;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--white);
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--dark);
  min-height: calc(100vh - 42px - var(--header-h));
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 80px 0 100px;
}

.hero-bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.hero-blueprint {
  width: 100%;
  max-width: 520px;
  opacity: 0.85;
}

.hero-container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-content {
  max-width: 560px;
}

.hero-title {
  font-size: clamp(2.6rem, 6.5vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  line-height: 0.98;
  color: var(--white);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 44ch;
  margin-bottom: 36px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- Trust ---------- */
.trust {
  background: var(--light);
  padding: 100px 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 1.02rem;
  color: var(--text);
  line-height: 1.5;
}

.check-icon {
  flex-shrink: 0;
  color: var(--accent);
  margin-top: 2px;
}

/* ---------- Features / Bands ---------- */
.features {
  background: var(--white);
  padding: 100px 0 0;
}

.features-head {
  text-align: center;
  margin-bottom: 56px;
}

.bands {
  display: flex;
  flex-direction: column;
}

.band {
  padding: 36px 0;
  background: var(--white);
  border-top: 1px solid var(--border);
}

.band.alt {
  background: var(--tint);
}

.band:last-child {
  border-bottom: 1px solid var(--border);
}

.band-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  align-items: start;
}

.band-name {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dark);
}

.band-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 60ch;
}

/* ---------- About ---------- */
.about {
  background: var(--tint);
  padding: 100px 0;
  text-align: center;
}

.about .section-title {
  margin-bottom: 28px;
}

.about-body {
  text-align: left;
  max-width: 60ch;
  margin: 0 auto;
}

.about-body p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 18px;
}

.about-body p:last-child {
  margin-bottom: 0;
}

/* ---------- CTA Band ---------- */
.cta-band {
  position: relative;
  background: var(--dark);
  padding: 100px 0;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.cta-blueprint {
  width: 100%;
  height: 100%;
  opacity: 0.6;
}

.cta-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.cta-text .section-title {
  color: var(--white);
}

.cta-text .section-lead {
  color: rgba(255, 255, 255, 0.65);
}

.cta-note {
  margin-top: 18px;
  font-size: 0.92rem;
  color: var(--accent);
  font-weight: 500;
}

.contact-form {
  background: var(--dark-2);
  border: 1px solid rgba(52, 211, 153, 0.15);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.form-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 24px;
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 8px;
}

.field input, .field textarea {
  background: var(--dark-3);
  border-color: rgba(52, 211, 153, 0.12);
  color: var(--white);
}

.field input::placeholder, .field textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.form-notice {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--accent-soft);
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--accent);
  line-height: 1.5;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--dark);
  border-top: 1px solid rgba(52, 211, 153, 0.1);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s ease;
  min-height: 36px;
  display: flex;
  align-items: center;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-col p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.5;
}

.footer-wordmark {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white) !important;
  margin-bottom: 6px;
}

.footer-tag {
  font-size: 0.88rem !important;
  color: rgba(255, 255, 255, 0.45) !important;
}

.footer-label {
  font-size: 0.72rem !important;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent) !important;
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.35);
}

/* ---------- Scroll Reveal ---------- */
.reveal-hidden {
  opacity: 0;
  transform: translateY(24px);
}

.reveal-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .trust-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .cta-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .hero-bg {
    width: 45%;
    opacity: 0.5;
  }
}

@media (max-width: 700px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--dark-2);
    border-bottom: 1px solid rgba(52, 211, 153, 0.15);
    padding: 16px 24px 24px;
    gap: 0;
  }

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

  .nav-links a {
    padding: 14px 0;
    min-height: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .nav-links a:last-child {
    border-bottom: none;
    margin-top: 8px;
  }

  .nav-cta {
    text-align: center;
    justify-content: center;
  }

  .hero {
    min-height: auto;
    padding: 60px 0 80px;
  }

  .hero-bg {
    display: none;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .band-inner {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .band-name {
    font-size: 1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-brand {
    margin-bottom: 8px;
  }

  .trust, .features, .about, .cta-band {
    padding: 64px 0;
  }

  .features-head {
    margin-bottom: 36px;
  }

  .contact-form {
    padding: 28px 24px;
  }

  .section-lead {
    font-size: 1rem;
  }
}

@media (max-width: 400px) {
  .container, .nav-wrap, .band-inner {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero-title {
    font-size: 2.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal-hidden {
    opacity: 1;
    transform: none;
  }

  .reveal-visible {
    transition: none;
  }

  .btn {
    transition: none;
  }
}