/* ==========================================================================
   Nandhanush — static site stylesheet
   Palette: navy #0D1B2A / Nandhanush green #00C853 / platinum grey #B0B8C1
   Family system shared with ventures.reflextion.ai — green as primary accent
   Font: Inter
   ========================================================================== */

:root {
  --navy: #0D1B2A;
  --navy-deep: #060E18;
  --card-navy: #14263B;
  --white: #FFFFFF;
  --green: #00C853;
  --green-deep: #00953E;
  --green-bg: #071B0F;
  --grey: #B0B8C1;
  --grey-muted: #7A8490;
  --amber: #FFB703;
  --border: rgba(176, 184, 193, 0.15);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--navy);
  color: var(--grey);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  color: var(--white);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1rem; text-transform: uppercase; letter-spacing: 1px; }

p { margin: 0 0 1em; }

a { color: var(--green); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--white); }

ul { margin: 0; padding: 0; list-style: none; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--green);
  color: var(--navy-deep);
  padding: 0.75rem 1.25rem;
  z-index: 200;
  font-weight: 600;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.section-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 5rem 1.5rem;
}
.section-inner.narrow { max-width: 760px; }

.section-lead {
  max-width: 640px;
  margin: 0 auto 2.5rem;
  text-align: center;
}
.section-lead h2 { margin-bottom: 0.5rem; }
.section-lead p { color: var(--grey-muted); margin: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 14, 24, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.3px;
}
.logo span { color: var(--green); font-weight: 600; }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.main-nav a {
  color: var(--grey);
  font-size: 0.92rem;
  font-weight: 500;
}
.main-nav a:hover { color: var(--white); }

.nav-cta {
  background: var(--green);
  color: var(--navy-deep) !important;
  padding: 0.55rem 1.2rem;
  border-radius: 6px;
  font-weight: 600;
}
.nav-cta:hover { background: var(--white); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all 0.25s ease;
}

/* ---------- Hero ---------- */
.hero {
  padding: 7rem 1.5rem 5rem;
  background:
    radial-gradient(ellipse 60% 50% at 80% 0%, rgba(0, 200, 83, 0.14), transparent),
    var(--navy);
}
.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}
.hero-copy { max-width: 560px; }
.eyebrow {
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.hero-sub { font-size: 1.1rem; max-width: 540px; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }
.hero-trust {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--grey-muted);
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.92rem;
  transition: all 0.2s ease;
}
.store-btn-primary {
  background: var(--green);
  color: var(--navy-deep) !important;
}
.store-btn-primary:hover { background: var(--white); transform: translateY(-1px); }
.store-btn-ghost {
  border: 1px solid var(--border);
  color: var(--white) !important;
}
.store-btn-ghost:hover { border-color: var(--green); color: var(--green) !important; }
.store-btn.disabled {
  opacity: 0.55;
  cursor: default;
  pointer-events: none;
}

.hero-mockup {
  display: flex;
  justify-content: center;
}
.phone-frame {
  width: 240px;
  height: 490px;
  border-radius: 32px;
  border: 8px solid var(--card-navy);
  background: linear-gradient(160deg, var(--green-bg), var(--navy-deep));
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem;
}
.phone-frame p {
  color: var(--grey-muted);
  font-size: 0.8rem;
  margin: 0;
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--green);
  color: var(--navy-deep) !important;
}
.btn-primary:hover { background: var(--white); transform: translateY(-1px); }
.btn-ghost {
  border: 1px solid var(--border);
  color: var(--white) !important;
  background: none;
}
.btn-ghost:hover { border-color: var(--green); color: var(--green) !important; }

/* ---------- Features ---------- */
.features { background: var(--navy-deep); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.feature-card {
  background: var(--card-navy);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem 1.5rem;
}
.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--green-bg);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1.25rem;
}
.feature-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.feature-card p { font-size: 0.9rem; margin: 0; }

/* ---------- How it works ---------- */
.how-it-works .section-inner { max-width: 980px; }
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 2rem 1.5rem;
  background: var(--card-navy);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--green);
  color: var(--navy-deep);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.step h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.step p { font-size: 0.88rem; margin: 0; color: var(--grey-muted); }

/* ---------- Markets ---------- */
.markets { background: var(--navy-deep); text-align: center; }
.market-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2rem;
}
.market-pill {
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card-navy);
  font-size: 0.85rem;
  color: var(--grey);
}
.market-caption {
  margin-top: 2rem;
  font-size: 0.85rem;
  color: var(--grey-muted);
}

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.pricing-card {
  border-radius: 10px;
  padding: 2.5rem;
  border: 1px solid var(--border);
  background: var(--card-navy);
}
.pricing-card.premium {
  background: var(--green-bg);
  border-color: rgba(0, 200, 83, 0.35);
}
.pricing-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1rem;
}
.pricing-list { margin: 1.5rem 0; }
.pricing-list li {
  padding-left: 1.2rem;
  position: relative;
  margin-bottom: 0.65rem;
  font-size: 0.92rem;
}
.pricing-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

/* ---------- Download banner ---------- */
.download-banner {
  background: linear-gradient(135deg, var(--green-deep), var(--green));
  text-align: center;
}
.download-banner h2 { color: var(--navy-deep); }
.download-banner .download-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}
.download-banner .store-btn-primary {
  background: var(--navy-deep);
  color: var(--white) !important;
}
.download-banner .store-btn-primary:hover { background: var(--card-navy); }
.download-banner .store-btn-ghost {
  border-color: rgba(6, 14, 24, 0.35);
  color: var(--navy-deep) !important;
}
.qr-placeholder {
  margin: 2rem auto 0;
  width: 96px;
  height: 96px;
  border-radius: 8px;
  background: rgba(6, 14, 24, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  color: var(--navy-deep);
  text-align: center;
}

/* ---------- FAQ ---------- */
.faq { background: var(--navy-deep); }
.faq-list { max-width: 760px; margin: 2rem auto 0; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--white);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  padding: 1.25rem 2rem 1.25rem 0;
  cursor: pointer;
  position: relative;
}
.faq-question::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 1.25rem;
  color: var(--green);
  font-size: 1.3rem;
  line-height: 1;
  transition: transform 0.2s ease;
}
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.faq-answer p {
  font-size: 0.92rem;
  padding-bottom: 1.25rem;
  margin: 0;
}
.faq-item.open .faq-answer { max-height: 400px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); background: var(--navy-deep); }
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 4rem 1.5rem 2rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 2.5rem;
}
.footer-brand p { font-size: 0.85rem; color: var(--grey-muted); margin: 1rem 0 0; }
.footer-col h4 { font-size: 0.78rem; color: var(--grey-muted); margin-bottom: 1rem; }
.footer-col ul li { margin-bottom: 0.65rem; }
.footer-col a { font-size: 0.88rem; color: var(--grey); }
.footer-col a:hover { color: var(--white); }
.footer-social { display: flex; gap: 0.75rem; margin-top: 0.5rem; }
.footer-social a {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}
.footer-bottom {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem 2.5rem;
  border-top: 1px solid var(--border);
  padding-top: 1.75rem;
}
.footer-bottom p {
  font-size: 0.78rem;
  color: var(--grey-muted);
  margin: 0 0 0.5rem;
  line-height: 1.6;
}
.footer-disclaimer {
  font-size: 0.78rem;
  color: var(--grey-muted);
  max-width: 780px;
}

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  max-width: 620px;
  margin: 0 auto;
  background: var(--card-navy);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  z-index: 300;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.cookie-banner[hidden] { display: none; }
.cookie-banner p { margin: 0; font-size: 0.85rem; color: var(--grey); flex: 1 1 260px; }
.cookie-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.cookie-actions button {
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
}
.cookie-accept { background: var(--green); color: var(--navy-deep); border: none; }
.cookie-manage { background: none; color: var(--grey); border: 1px solid var(--border); }

/* ---------- Contact / Support ---------- */
.support-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
}
.contact-form {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form-row { display: flex; flex-direction: column; gap: 0.4rem; }
.form-row label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
}
.form-row input,
.form-row select,
.form-row textarea {
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--white);
  background: var(--card-navy);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  resize: vertical;
  transition: border-color 0.2s ease;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus { outline: none; border-color: var(--green); }

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

.contact-form .btn { align-self: flex-start; }

.form-alert {
  margin-top: 1.5rem;
  padding: 0.9rem 1.2rem;
  border-radius: 6px;
  font-size: 0.9rem;
  text-align: left;
}
.form-alert-success {
  background: rgba(0, 200, 83, 0.12);
  border: 1px solid rgba(0, 200, 83, 0.35);
  color: var(--green);
}
.form-alert-error {
  background: rgba(255, 87, 87, 0.1);
  border: 1px solid rgba(255, 87, 87, 0.35);
  color: #FF6B6B;
}

.contact-details { background: var(--card-navy); border: 1px solid var(--border); border-radius: 10px; padding: 2rem; }
.contact-details h4 { color: var(--green); font-size: 0.85rem; margin: 1.5rem 0 0.4rem; }
.contact-details h4:first-child { margin-top: 0; }
.contact-details p { font-size: 0.92rem; margin: 0; }

/* ---------- Legal pages ---------- */
.legal-hero {
  padding: 8rem 1.5rem 3rem;
  background: var(--navy-deep);
  border-bottom: 1px solid var(--border);
}
.legal-hero .section-inner { padding: 0; }
.legal-updated { color: var(--grey-muted); font-size: 0.85rem; margin: 0; }

.legal-layout {
  max-width: var(--container);
  margin: 0 auto;
  padding: 4rem 1.5rem;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 3rem;
  align-items: start;
}
.legal-toc {
  position: sticky;
  top: 6rem;
  font-size: 0.82rem;
}
.legal-toc a {
  display: block;
  padding: 0.4rem 0;
  color: var(--grey-muted);
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
}
.legal-toc a:hover { color: var(--white); border-left-color: var(--green); }

.legal-content { max-width: 760px; }
.legal-content h2 {
  font-size: 1.3rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.legal-content h2:first-of-type { margin-top: 0; padding-top: 0; border-top: none; }
.legal-content h3 { font-size: 1rem; margin-top: 1.25rem; }
.legal-content p,
.legal-content li { font-size: 0.93rem; }
.legal-content ul { margin: 1em 0; }
.legal-content ul li {
  padding-left: 1.2rem;
  position: relative;
  margin-bottom: 0.5rem;
}
.legal-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
}
.legal-content a { text-decoration: underline; }
.legal-content strong { color: var(--white); }

.legal-disclaimer {
  margin-top: 3rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-navy);
  font-size: 0.85rem;
  color: var(--grey-muted);
}
.legal-disclaimer p:last-child { margin-bottom: 0; }

.placeholder-flag {
  color: var(--amber);
  font-weight: 600;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { max-width: 100%; margin: 0 auto; }
  .hero-actions, .hero-trust { justify-content: center; }
  .hero-mockup { order: -1; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .legal-layout { grid-template-columns: 1fr; }
  .legal-toc { position: static; display: flex; flex-wrap: wrap; gap: 0 1rem; }
}

@media (max-width: 720px) {
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--navy-deep);
    border-bottom: 1px solid var(--border);
    transform: translateY(-150%);
    opacity: 0;
    transition: all 0.25s ease;
    pointer-events: none;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    gap: 1.25rem;
  }
  .nav-toggle { display: flex; }
  .pricing-grid,
  .support-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
}