/* ── Reset & Base ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:    #0f172a;
  --navy-80: #1e293b;
  --blue:    #2563eb;
  --blue-lt: #3b82f6;
  --accent:  #f97316;
  --green:   #16a34a;
  --red:     #dc2626;
  --gray-50: #f8fafc;
  --gray-100:#f1f5f9;
  --gray-200:#e2e8f0;
  --gray-400:#94a3b8;
  --gray-600:#475569;
  --gray-700:#334155;
  --white:   #ffffff;

  --radius:  10px;
  --shadow:  0 4px 24px rgba(15,23,42,.08);
  --shadow-lg: 0 8px 40px rgba(15,23,42,.14);

  --font: 'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

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

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

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

/* ── Utility ──────────────────────────────────────────────────────── */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: .5rem;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--gray-700);
  max-width: 560px;
}

/* ── Buttons ──────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  padding: .8rem 1.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  border: 2px solid transparent;
  transition: background .15s, color .15s, border-color .15s, transform .1s, box-shadow .15s;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: none; }

.btn--primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
  box-shadow: 0 4px 14px rgba(37,99,235,.35);
}
.btn--primary:hover {
  background: var(--blue-lt);
  border-color: var(--blue-lt);
  box-shadow: 0 6px 20px rgba(37,99,235,.45);
}

.btn--outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--gray-700);
}
.btn--outline:hover {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.btn--ghost {
  background: transparent;
  color: var(--navy);
  border-color: transparent;
  padding-left: 0;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--gray-400);
}
.btn--ghost:hover {
  color: var(--blue);
  text-decoration-color: var(--blue);
}

.btn--sm { font-size: .875rem; padding: .5rem 1.1rem; }

/* ── Nav ──────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav__logo {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--navy);
}
.nav__logo span { color: var(--blue); }

/* ── Hero ─────────────────────────────────────────────────────────── */
.hero {
  padding: 96px 0 80px;
  background: linear-gradient(160deg, var(--gray-50) 0%, var(--white) 60%);
}

.hero__inner { max-width: 720px; }

.hero__badge {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--blue);
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: .3rem .75rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.hero__headline {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.03em;
  margin-bottom: 1.25rem;
}

.hero__headline em {
  font-style: normal;
  color: var(--blue);
}

.hero__sub {
  font-size: 1.15rem;
  color: var(--gray-700);
  max-width: 580px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── Problem ──────────────────────────────────────────────────────── */
.problem {
  padding: 72px 0;
  background: var(--white);
}

.problem__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: center;
}

.problem__label {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: .75rem;
  color: var(--gray-600);
}

.problem__col {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px 32px;
}

.problem__col--before { border-color: #fecaca; background: #fff5f5; }
.problem__col--after  { border-color: #bbf7d0; background: #f0fdf4; }

.problem__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.problem__list li {
  font-size: .95rem;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: .5rem;
}

.problem__list--bad li::before {
  content: '✕';
  color: var(--red);
  font-weight: 700;
  font-size: .8rem;
  flex-shrink: 0;
}

.problem__list--good li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  font-size: .8rem;
  flex-shrink: 0;
}

.problem__list-done {
  font-size: 1.3rem !important;
  font-weight: 800;
  color: var(--green) !important;
  margin-top: .25rem;
}
.problem__list-done::before { content: '' !important; }

.problem__divider {
  display: flex;
  align-items: center;
  justify-content: center;
}

.problem__arrow {
  font-size: 2rem;
  color: var(--gray-400);
}

/* ── Value stat ───────────────────────────────────────────────────── */
.value {
  background: var(--navy);
  color: var(--white);
  padding: 56px 0;
  text-align: center;
}

.value__stat {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: .75rem;
}

.value__number {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 800;
  letter-spacing: -.04em;
  color: var(--accent);
  line-height: 1;
}

.value__desc {
  font-size: 1.05rem;
  color: #cbd5e1;
  max-width: 340px;
  text-align: left;
  line-height: 1.5;
}

.value__note {
  font-size: .95rem;
  color: #94a3b8;
}

/* ── How it works ─────────────────────────────────────────────────── */
.how {
  padding: 96px 0;
  background: var(--gray-50);
}

.how .section-title { margin-bottom: .5rem; }
.how .section-sub   { margin-bottom: 3rem; }

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 40px 0;
  border-bottom: 1px solid var(--gray-200);
}

.step:last-child { border-bottom: none; }

.step__number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--gray-200);
  letter-spacing: -.04em;
  line-height: 1;
  padding-top: 4px;
}

.step__content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: .5rem;
}

.step__content p {
  font-size: .975rem;
  color: var(--gray-700);
  max-width: 560px;
  line-height: 1.7;
}

/* ── Who it's for ─────────────────────────────────────────────────── */
.who {
  padding: 96px 0;
  background: var(--white);
}

.who .section-sub { margin-bottom: 2.5rem; }

.industries {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}

.industry {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: border-color .15s, box-shadow .15s;
}

.industry:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow);
}

.industry__icon {
  font-size: 2rem;
  margin-bottom: .75rem;
}

.industry__name {
  font-size: .875rem;
  font-weight: 600;
  color: var(--gray-700);
  line-height: 1.4;
}

/* ── Private by design ────────────────────────────────────────────── */
.private {
  padding: 96px 0;
  background: var(--navy);
  color: var(--white);
}

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

.private__text h2 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.private__text p {
  color: #cbd5e1;
  font-size: .975rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.private__checks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.private__checks li {
  font-size: .95rem;
  color: #cbd5e1;
  display: flex;
  align-items: center;
  gap: .6rem;
}

.private__checks li::before {
  content: '✓';
  color: #4ade80;
  font-weight: 700;
  font-size: .85rem;
}

.private__box {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 14px;
  padding: 32px;
  text-align: center;
}

.private__box-label {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #94a3b8;
  margin-bottom: 24px;
}

.private__flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.private__node {
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 8px;
  padding: 10px 24px;
  font-size: .9rem;
  color: #cbd5e1;
  width: 100%;
  max-width: 220px;
}

.private__node--accent {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
  font-weight: 600;
}

.private__arrow {
  color: #94a3b8;
  font-size: 1.2rem;
}

.private__box-note {
  font-size: .8rem;
  color: #4ade80;
  font-weight: 600;
}

/* ── Contact ──────────────────────────────────────────────────────── */
.contact {
  padding: 96px 0;
  background: var(--gray-50);
}

.contact .section-title { margin-bottom: .5rem; }
.contact .section-sub   { margin-bottom: 2.5rem; }

.contact__card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 14px;
  padding: 40px 48px;
  max-width: 560px;
  box-shadow: var(--shadow);
}

.contact__prompt {
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--gray-600);
  margin-bottom: .5rem;
}

.contact__email {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 1.25rem;
  word-break: break-all;
}

.contact__email:hover { text-decoration: underline; }

.contact__detail {
  font-size: .9rem;
  color: var(--gray-700);
  line-height: 1.6;
  border-top: 1px solid var(--gray-100);
  padding-top: 1rem;
}

.contact__trial {
  margin-top: 1rem;
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--blue);
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 6px;
  padding: .35rem .75rem;
}

/* ── Footer ───────────────────────────────────────────────────────── */
.footer {
  background: var(--navy);
  padding: 24px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.footer__logo {
  font-size: .95rem;
  font-weight: 700;
  color: var(--white);
}

.footer__copy {
  font-size: .85rem;
  color: #94a3b8;
}

/* ── Scroll reveal ────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease, transform .5s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .problem__grid {
    grid-template-columns: 1fr;
  }
  .problem__divider { display: none; }

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

  .step {
    grid-template-columns: 48px 1fr;
    gap: 20px;
  }

  .step__number { font-size: 2rem; }

  .contact__card { padding: 28px 24px; }

  .value__stat { flex-direction: column; gap: 12px; }
  .value__desc { text-align: center; }
}