/* InfiLoop pilot landing — mobile-first, Singapore SME */
:root {
  --navy: #0B1F3A;
  --navy-soft: #163A5F;
  --sky: #2B7FFF;
  --sky-deep: #1A5FD0;
  --mint: #E8F3FF;
  --sand: #F7F8FA;
  --ink: #1A2332;
  --muted: #5B6B7C;
  --line: #D7DEE8;
  --white: #FFFFFF;
  --ok: #0F7B5A;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(11, 31, 58, 0.06);
  --max: 1120px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  font-size: 1.05rem;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--sky-deep); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--navy); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid rgba(43, 127, 255, 0.45);
  outline-offset: 2px;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--navy);
  font-weight: 700;
  letter-spacing: 0.02em;
}
.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}
.nav-links {
  display: none;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--navy-soft);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}
.nav-links a:hover { color: var(--sky-deep); }
.nav-cta { display: none; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: 999px;
  padding: 0.8rem 1.35rem;
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--sky);
  color: var(--white);
  border-color: var(--sky);
}
.btn-primary:hover { background: var(--sky-deep); border-color: var(--sky-deep); color: var(--white); }
.btn-ghost {
  background: transparent;
  color: var(--navy);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--sky); color: var(--sky-deep); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 50% at 90% 10%, rgba(43, 127, 255, 0.16), transparent 60%),
    radial-gradient(ellipse 40% 40% at 0% 80%, rgba(11, 31, 58, 0.06), transparent 55%),
    var(--sand);
  padding: 3rem 0 3.5rem;
}
.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--mint);
  color: var(--navy-soft);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.hero h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.85rem, 5vw, 3.15rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--navy);
}
.lead {
  margin: 0;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--muted);
  max-width: 36rem;
}
.trust-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding: 0;
  list-style: none;
}
.trust-chips li {
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--navy-soft);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
}
.hero-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}
.hero-card img {
  width: 100%;
  max-width: 280px;
  margin: 0 auto 1rem;
}
.hero-card h3 {
  margin: 0 0 0.5rem;
  color: var(--navy);
  font-size: 1.1rem;
}
.hero-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.hero-card li { margin-bottom: 0.35rem; }

/* Sections */
section { padding: 3.25rem 0; }
section.alt { background: var(--sand); }
.section-kicker {
  color: var(--sky-deep);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}
h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.45rem, 3vw, 1.85rem);
  line-height: 1.25;
  color: var(--navy);
  letter-spacing: -0.015em;
}
.section-lead {
  margin: 0 0 1.75rem;
  color: var(--muted);
  max-width: 40rem;
}

/* Problem */
.problem-grid {
  display: grid;
  gap: 1rem;
}
.problem-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--shadow);
}
.problem-card strong { color: var(--navy); display: block; margin-bottom: 0.35rem; }

/* Features */
.feature-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
.feature {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  transition: transform 0.15s, border-color 0.15s;
}
.feature:hover { transform: translateY(-2px); border-color: #b9cff0; }
.feature-num {
  display: inline-flex;
  width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--mint);
  color: var(--sky-deep);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}
.feature h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  color: var(--navy);
}
.feature p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.not-offered {
  margin-top: 1.5rem;
  padding: 1rem 1.15rem;
  border-radius: var(--radius);
  background: #FFF7F0;
  border: 1px solid #F0D9C2;
  color: var(--navy-soft);
  font-size: 0.95rem;
}
.not-offered strong { color: var(--navy); }

/* How */
.steps {
  display: grid;
  gap: 1rem;
  counter-reset: step;
}
.step {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 1.25rem 4.25rem;
  box-shadow: var(--shadow);
}
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 1.1rem;
  top: 1.2rem;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
}
.step h3 { margin: 0 0 0.35rem; color: var(--navy); font-size: 1.05rem; }
.step p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* Audience */
.split {
  display: grid;
  gap: 1rem;
}
.panel {
  border-radius: var(--radius);
  padding: 1.35rem;
  border: 1px solid var(--line);
}
.panel-yes { background: #F0FAF6; border-color: #C6E6D8; }
.panel-no { background: var(--white); }
.panel h3 { margin: 0 0 0.6rem; color: var(--navy); font-size: 1.05rem; }
.panel ul { margin: 0; padding-left: 1.15rem; color: var(--muted); }
.panel li { margin-bottom: 0.4rem; }
.success-box {
  margin-top: 1.25rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
}
.success-box h3 { margin: 0 0 0.5rem; color: var(--ok); font-size: 1rem; }
.success-box ul { margin: 0; padding-left: 1.15rem; color: var(--muted); }

/* Pricing */
.price-lead {
  font-size: 1.15rem;
  color: var(--navy);
  font-weight: 600;
  margin: 0 0 1rem;
}
.bands {
  display: grid;
  gap: 0.85rem;
}
.band {
  background: var(--white);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
}
.band strong { color: var(--navy); }
.band span { display: block; color: var(--muted); font-size: 0.92rem; margin-top: 0.25rem; }
.price-note {
  margin-top: 1rem;
  font-size: 0.88rem;
  color: var(--muted);
}

/* FAQ */
.faq details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  margin-bottom: 0.65rem;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--navy);
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  float: right;
  color: var(--sky);
  font-weight: 700;
}
.faq details[open] summary::after { content: "–"; }
.faq details p {
  margin: 0.65rem 0 0.15rem;
  color: var(--muted);
  font-size: 0.95rem;
}

/* CTA / form */
.cta-block {
  background:
    linear-gradient(145deg, var(--navy) 0%, var(--navy-soft) 55%, #1a4a8a 100%);
  color: var(--white);
  border-radius: calc(var(--radius) + 6px);
  padding: 1.75rem 1.35rem;
  box-shadow: var(--shadow);
}
.cta-block h2 { color: var(--white); }
.cta-block .section-lead { color: rgba(255, 255, 255, 0.82); }
.form {
  display: grid;
  gap: 0.9rem;
  margin-top: 0.5rem;
}
.field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: rgba(255, 255, 255, 0.92);
}
.field input,
.field select {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  padding: 0.75rem 0.85rem;
  font: inherit;
}
.field input::placeholder { color: rgba(255, 255, 255, 0.55); }
.field select option { color: var(--ink); }
.form-note {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}
.cta-block .btn-primary {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
}
.cta-block .btn-primary:hover {
  background: var(--mint);
  border-color: var(--mint);
  color: var(--navy);
}
.cta-block .btn-ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
}
.cta-block .btn-ghost:hover {
  border-color: var(--white);
  color: var(--white);
}
.form-toast {
  display: none;
  margin-top: 0.75rem;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  background: rgba(15, 123, 90, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--white);
  font-size: 0.92rem;
}
.form-toast.show { display: block; }

/* Footer */
.footer {
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--line);
  background: var(--sand);
  font-size: 0.9rem;
  color: var(--muted);
}
.footer strong { color: var(--navy); }
.footer-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  align-items: flex-start;
}
.footer ul {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.footer li {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.25rem 0.6rem;
  font-size: 0.78rem;
  color: var(--navy-soft);
}

@media (min-width: 640px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .problem-grid { grid-template-columns: 1fr 1fr; }
  .bands { grid-template-columns: 1fr 1fr 1fr; }
  .split { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr 1fr; }
  .step { padding: 1.25rem; }
  .step::before { position: static; margin-bottom: 0.75rem; }
  .cta-block { padding: 2.25rem; }
  .form { grid-template-columns: 1fr 1fr; }
  .form .full { grid-column: 1 / -1; }
}

@media (min-width: 900px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .hero { padding: 4.5rem 0 5rem; }
  .hero-grid { grid-template-columns: 1.35fr 0.9fr; gap: 2.5rem; }
  .feature-grid { grid-template-columns: repeat(5, 1fr); }
  section { padding: 4rem 0; }
}