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

:root {
  --white: #ffffff;
  --black: #111111;
  --cream: #faf5f0;
  --text: #111111;
  --muted: #666666;
  --border: #e8e8e8;
  --radius: 12px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

/* ── CONTAINER ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow {
  max-width: 620px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── NAV ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--black);
  flex-shrink: 0;
}
.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: Georgia, serif;
  font-size: 22px;
  letter-spacing: 0;
  flex-shrink: 0;
}
.logo-text {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.3px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-link {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--black); }
.nav-mobile-btn {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--black);
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  padding: 12px 22px;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.1s;
  white-space: nowrap;
  border: none;
}
.btn:hover { opacity: 0.82; }
.btn:active { transform: scale(0.98); }

.btn-primary { background: var(--black); color: #fff; }
.btn-secondary {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--black);
}
.btn-nav {
  background: var(--black);
  color: #fff;
  font-size: 13px;
  padding: 10px 18px;
}
.btn-text {
  background: transparent;
  color: var(--black);
  text-decoration: underline;
  padding: 12px 4px;
  font-size: 15px;
}
.btn-group {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── HERO ── */
.hero {
  padding: 108px 0 116px;
  text-align: center;
  background: var(--white);
}
.hero-heading {
  font-size: clamp(34px, 4.8vw, 58px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.03em;
  color: var(--black);
  max-width: 800px;
  margin: 0 auto 26px;
}
.hero-sub {
  font-size: 18px;
  color: var(--muted);
  max-width: 500px;
  margin: 0 auto 0;
  line-height: 1.72;
}

/* ── WHAT WE BUILD ── */
.what-we-build {
  padding: 96px 0;
  background: var(--cream);
}
.section-heading {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: -0.025em;
  text-align: center;
  margin-bottom: 12px;
  color: var(--black);
}
.section-sub {
  font-size: 17px;
  color: var(--muted);
  text-align: center;
  max-width: 500px;
  margin: 0 auto 12px;
  line-height: 1.72;
}
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 52px;
}
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px;
}
.card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--black);
}
.card-text {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.72;
}

/* ── FREE GUIDE ── */
.free-guide {
  padding: 96px 0;
  background: var(--white);
  text-align: center;
}
.email-form { margin-top: 32px; }
.form-row {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.email-input {
  font-family: var(--font);
  font-size: 15px;
  padding: 12px 18px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  outline: none;
  width: 300px;
  color: var(--black);
  transition: border-color 0.2s;
}
.email-input:focus { border-color: var(--black); }
.form-note {
  font-size: 13px;
  color: #999;
  margin-top: 14px;
}
.form-success {
  display: none;
  font-size: 18px;
  color: var(--black);
  font-weight: 500;
  margin-top: 24px;
}

/* ── FINAL CTA ── */
.final-cta {
  padding: 96px 0;
  background: var(--cream);
  text-align: center;
}
.final-cta .section-sub {
  margin-bottom: 36px;
}

/* ── FOOTER ── */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  background: var(--white);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy {
  font-size: 13px;
  color: #999;
}

/* ── HERO FLOW ── */
.hero-flow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  position: relative;
  padding: 44px 0 52px;
  max-width: 640px;
  margin: 0 auto;
}
.hero-flow::before {
  content: '';
  position: absolute;
  top: 62px;
  left: 9%;
  right: 9%;
  height: 1px;
  background: var(--border);
}
.flow-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
}
.flow-dot {
  width: 36px;
  height: 36px;
  background: var(--white);
  border: 2px solid var(--black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 14px;
}
.flow-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 5px;
}
.flow-desc {
  font-size: 12px;
  color: var(--muted);
}

/* ── HERO LABEL ── */
.hero-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}

/* ── CARD NUMBER ── */
.card-number {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 14px;
}

/* ── PROBLEM SECTION ── */
.problem {
  padding: 96px 0;
  background: var(--black);
}
.problem-heading {
  color: #fff;
  margin-bottom: 52px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 860px;
  margin: 0 auto;
}
.problem-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.problem-arrow {
  color: #666;
  font-size: 15px;
  flex-shrink: 0;
  margin-top: 3px;
}
.problem-item p {
  font-size: 16px;
  color: #bbb;
  line-height: 1.65;
}
.problem-close {
  font-size: 15px;
  color: #555;
  text-align: center;
  margin-top: 52px;
  font-style: italic;
}

/* ── HOW IT WORKS ── */
.how-it-works {
  padding: 96px 0;
  background: var(--white);
}
.steps {
  margin-top: 52px;
}
.step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}
.step:first-child {
  border-top: 1px solid var(--border);
}
.step-num {
  width: 40px;
  height: 40px;
  background: var(--black);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}
.step-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 8px;
}
.step-text {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.72;
}

/* ── FINAL CTA EXTRAS ── */
.btn-large {
  font-size: 16px;
  padding: 16px 32px;
}
.cta-note {
  font-size: 14px;
  color: var(--muted);
  text-align: center;
  margin-top: 16px;
}
.final-cta .section-sub {
  margin-bottom: 36px;
}

/* ── RESPONSIVE ── */
@media (max-width: 860px) {
  .cards { grid-template-columns: 1fr; }
  .problem-grid { grid-template-columns: 1fr; }
  .hero-flow { flex-wrap: wrap; gap: 24px; }
  .hero-flow::before { display: none; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 20px;
    align-items: flex-start;
  }
  .nav-mobile-btn { display: block; }

  .hero { padding: 72px 0 80px; }
  .hero-sub { font-size: 16px; }

  .form-row { flex-direction: column; align-items: center; }
  .email-input { width: 100%; max-width: 340px; }

  .footer-inner { flex-direction: column; text-align: center; }
}