/* ════════════════════════════════════════════════════════════════
   Zentro — usezentro.in marketing site
   Brand: Midnight Navy #081B3A, white surfaces, tonal grey-blue
   Type:  Manrope (headings) + Hanken Grotesk (body) — matches the apps
   ════════════════════════════════════════════════════════════════ */

:root {
  --navy: #081B3A;
  --navy-dark: #050F20;
  --navy-soft: #3D5A8C;
  --tint: #E4E9F0;
  --surface: #FFFFFF;
  --bg: #F6F9FF;
  --bg-alt: #EFF4FF;
  --border: #D7DCE6;
  --text: #171C21;
  --text-2: #44474E;
  --text-3: #75777F;
  --danger: #BA1A1A;

  --wrap: 1160px;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;
  --shadow: 0 4px 20px rgba(15, 23, 42, .08);
  --shadow-lg: 0 12px 40px rgba(8, 27, 58, .12);
}

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

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

body {
  margin: 0;
  background: var(--surface);
  color: var(--text);
  font-family: 'Hanken Grotesk', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: Manrope, system-ui, sans-serif;
  color: var(--navy);
  margin: 0;
  line-height: 1.15;
  letter-spacing: -.02em;
}

h1 { font-size: clamp(2.3rem, 5.2vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; }
h3 { font-size: 1.06rem; font-weight: 700; letter-spacing: -.01em; }
h4 { font-size: .82rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }

p { margin: 0; }
a { color: inherit; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 20px;
}

.skip-link {
  position: absolute; left: -9999px;
  background: var(--navy); color: #fff;
  padding: 10px 16px; border-radius: var(--r-sm); z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

:focus-visible { outline: 3px solid var(--navy-soft); outline-offset: 2px; }

/* ─────────── Buttons ─────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  font-family: Manrope, sans-serif;
  font-weight: 700; font-size: .95rem;
  padding: 14px 26px;
  border-radius: var(--r-md);
  border: 1.5px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn-sm { padding: 10px 18px; font-size: .88rem; }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-dark); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--navy); background: var(--bg); }

/* ─────────── Header ─────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--border); box-shadow: 0 1px 12px rgba(8,27,58,.05); }

.header-inner { display: flex; align-items: center; gap: 24px; height: 72px; }
.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand img { width: 150px; height: auto; }

.nav { display: flex; gap: 28px; margin-left: auto; }
.nav a {
  text-decoration: none; color: var(--text-2);
  font-weight: 500; font-size: .95rem;
  padding: 6px 0; border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--navy); border-bottom-color: var(--navy); }

.header-actions { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  background: #fff; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 4px;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--navy); border-radius: 2px; }

/* ─────────── Hero ─────────── */
.hero {
  background: linear-gradient(180deg, var(--bg) 0%, #fff 100%);
  padding: clamp(48px, 7vw, 88px) 0 clamp(40px, 6vw, 72px);
  overflow: hidden;
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: clamp(32px, 5vw, 64px); align-items: center;
}
.eyebrow {
  font-family: Manrope, sans-serif;
  font-weight: 700; font-size: .78rem;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--navy-soft); margin-bottom: 14px;
}
.lede { font-size: 1.1rem; color: var(--text-2); margin-top: 18px; max-width: 54ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.hero-stats {
  list-style: none; margin: 40px 0 0; padding: 0;
  display: flex; gap: 36px; flex-wrap: wrap;
}
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong {
  font-family: Manrope, sans-serif; font-size: 1.7rem;
  font-weight: 800; color: var(--navy); line-height: 1;
}
.hero-stats span { font-size: .85rem; color: var(--text-3); margin-top: 6px; }

.hero-media img {
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
}

/* ─────────── Trust strip ─────────── */
.trust { background: var(--bg-alt); padding: clamp(36px, 5vw, 56px) 0; }
.trust-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
}
.trust-item svg {
  width: 34px; height: 34px; margin-bottom: 14px;
  fill: none; stroke: var(--navy); stroke-width: 1.6;
  stroke-linecap: round; stroke-linejoin: round;
}
.trust-item svg .tick { stroke: var(--navy); }
.trust-item svg .badge-num {
  font-family: Manrope, sans-serif; font-size: 7px; font-weight: 700;
  fill: var(--navy); stroke: none;
}
.trust-item p { font-size: .93rem; color: var(--text-2); margin-top: 7px; }

/* ─────────── Generic section ─────────── */
.section { padding: clamp(56px, 7vw, 96px) 0; }
.section-alt { background: var(--bg); }
.section-head { max-width: 62ch; margin-bottom: clamp(32px, 4vw, 52px); }
.section-head p { color: var(--text-2); margin-top: 14px; font-size: 1.05rem; }

/* ─────────── Services ─────────── */
.service-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 22px 20px;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--navy-soft);
}
.service-card img {
  width: 56px; height: 56px;
  border-radius: var(--r-md);
  background: var(--tint);
  padding: 8px;
  margin-bottom: 16px;
}
.service-card .meta { font-size: .84rem; color: var(--text-3); margin-top: 5px; }
.service-card .price {
  font-family: Manrope, sans-serif; font-weight: 800;
  color: var(--navy); margin-top: 12px; font-size: 1rem;
}

/* ─────────── Steps ─────────── */
.steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  counter-reset: step;
}
.steps li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 26px 22px;
}
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--navy); color: #fff;
  font-family: Manrope, sans-serif; font-weight: 800; font-size: .95rem;
  margin-bottom: 16px;
}
.steps h3 { margin-bottom: 7px; }
.steps p { font-size: .93rem; color: var(--text-2); }

/* ─────────── Pricing ─────────── */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.price-card {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 30px 26px;
  background: var(--surface);
}
.price-card.featured {
  border-color: var(--navy);
  border-width: 2px;
  box-shadow: var(--shadow);
}
.price-card-label {
  font-family: Manrope, sans-serif; font-weight: 700;
  font-size: .8rem; text-transform: uppercase; letter-spacing: .07em;
  color: var(--navy-soft);
}
.price-card-amount {
  font-family: Manrope, sans-serif; font-weight: 800;
  font-size: 2.4rem; color: var(--navy);
  margin: 12px 0 14px; line-height: 1;
}
.price-card-amount span { font-size: 1.1rem; font-weight: 700; color: var(--text-3); }
.price-card-note { font-size: .93rem; color: var(--text-2); }
.fineprint { font-size: .84rem; color: var(--text-3); margin-top: 28px; max-width: 80ch; }

/* ─────────── Why (navy band) ─────────── */
.section-navy { background: var(--navy); color: #fff; }
.section-navy h2 { color: #fff; }
.why-grid {
  display: grid; grid-template-columns: .85fr 1.15fr;
  gap: clamp(32px, 5vw, 64px);
}
.why-lede { color: rgba(255,255,255,.72); margin-top: 16px; font-size: 1.05rem; }
.why-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 20px; }
.why-list li {
  padding-left: 30px; position: relative;
  color: rgba(255,255,255,.78); font-size: 1rem;
}
.why-list li strong { color: #fff; font-weight: 600; }
.why-list li::before {
  content: ""; position: absolute; left: 0; top: .52em;
  width: 15px; height: 8px;
  border-left: 2.5px solid #fff; border-bottom: 2.5px solid #fff;
  transform: rotate(-45deg);
}

/* ─────────── Partners ─────────── */
.partner-inner {
  display: grid; grid-template-columns: 1.15fr .85fr;
  gap: clamp(32px, 5vw, 64px); align-items: center;
}
.tick-list { list-style: none; margin: 24px 0 30px; padding: 0; display: grid; gap: 12px; }
.tick-list li { padding-left: 28px; position: relative; color: var(--text-2); }
.tick-list li::before {
  content: ""; position: absolute; left: 0; top: .5em;
  width: 13px; height: 7px;
  border-left: 2.5px solid var(--navy); border-bottom: 2.5px solid var(--navy);
  transform: rotate(-45deg);
}
.partner-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 44px 34px;
  text-align: center;
  box-shadow: var(--shadow);
}
.partner-card img { margin: 0 auto 20px; width: 64px; height: 64px; }
.partner-quote {
  font-family: Manrope, sans-serif; font-weight: 700;
  font-size: 1.16rem; color: var(--navy); line-height: 1.35;
}

/* ─────────── Get the app ─────────── */
.get-app { background: var(--bg-alt); }
.get-app-inner { text-align: center; max-width: 640px; margin-inline: auto; }
.get-app-inner > p { color: var(--text-2); margin-top: 14px; font-size: 1.05rem; }
.store-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }
.store-btn {
  display: flex; flex-direction: column; align-items: flex-start;
  background: var(--navy); color: #fff;
  padding: 12px 26px; border-radius: var(--r-md);
  min-width: 190px; text-decoration: none;
}
.store-btn.is-soon { opacity: .55; cursor: default; }
.store-btn-sub { font-size: .7rem; text-transform: uppercase; letter-spacing: .09em; opacity: .8; }
.store-btn-main { font-family: Manrope, sans-serif; font-weight: 800; font-size: 1.1rem; }
.get-app-note { font-size: .92rem; color: var(--text-3); margin-top: 24px; }
.get-app-note a { color: var(--navy); font-weight: 600; }

/* ─────────── Footer ─────────── */
.site-footer { background: var(--navy-dark); color: rgba(255,255,255,.62); padding: clamp(44px,5vw,64px) 0 26px; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 36px; padding-bottom: 40px;
}
.footer-brand p { font-family: Manrope, sans-serif; font-weight: 700; color: #fff; margin-top: 14px; }
.site-footer h4 { color: #fff; margin-bottom: 16px; }
.site-footer nav { display: flex; flex-direction: column; gap: 11px; }
.site-footer nav a { text-decoration: none; font-size: .93rem; color: rgba(255,255,255,.62); }
.site-footer nav a:hover { color: #fff; }

.footer-base {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px;
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 24px; font-size: .85rem;
}
.footer-base a { color: rgba(255,255,255,.62); text-decoration: none; }
.footer-base a:hover { color: #fff; }
.footer-legal { display: flex; gap: 22px; }

/* ═══════════ Responsive ═══════════ */
@media (max-width: 1000px) {
  .service-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 28px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .why-grid, .partner-inner, .hero-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .hero-media img { max-height: 340px; object-fit: cover; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .nav {
    position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    flex-direction: column; gap: 0; padding: 8px 20px 16px;
    display: none; box-shadow: var(--shadow);
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 13px 0; border-bottom: 1px solid var(--bg-alt); }
  .nav a:hover { border-bottom-color: var(--bg-alt); }
  .nav-toggle { display: flex; }
  .brand img { width: 124px; }
  .header-inner { gap: 12px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .service-card { padding: 18px 15px; }
  .steps { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-base { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}