/* GSTEasy site — gsteasy.msetuapps.com
   Minimal, mobile-first, no JS dependencies, no external CDN.
   Shared by index.html and privacy.html. */

:root {
  --brand: #1e40af;
  --brand-2: #2563eb;
  --brand-3: #3b82f6;
  --accent: #10b981;
  --warm: #f59e0b;
  --ink: #0f172a;
  --ink-2: #1e293b;
  --muted: #64748b;
  --muted-2: #94a3b8;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-deep: #0f172a;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
  --gradient: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #06b6d4 100%);
  --max-w: 1180px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern", "liga", "ss01";
}

img { max-width: 100%; display: block; }
a { color: var(--brand-2); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--brand); }

/* ─── Layout primitives ───────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 80px 0; }
.section-tight { padding: 56px 0; }
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brand-2);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(37, 99, 235, 0.08);
  margin-bottom: 16px;
}
h1, h2, h3 { color: var(--ink); line-height: 1.18; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 800; }
h3 { font-size: 1.1rem; font-weight: 700; }
.section-title { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-title h2 { margin-bottom: 12px; }
.section-title p { color: var(--muted); font-size: 1.06rem; }

/* ─── Navigation ──────────────────────────────────────────────────── */
nav.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.brand-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.12rem;
  color: var(--ink);
}
.brand-mark .logo {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 900;
  font-size: 0.95rem;
  box-shadow: var(--shadow);
}
.nav-links { display: flex; gap: 24px; margin-left: auto; align-items: center; }
.nav-links a {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-links a:hover { color: var(--ink); }

/* ─── Buttons ─────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.97rem;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: var(--shadow);
}
.btn-primary:hover {
  background: var(--brand);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}
.btn-secondary {
  background: #fff;
  color: var(--ink);
  border-color: var(--border-strong);
}
.btn-secondary:hover {
  color: var(--ink);
  background: var(--bg-soft);
  border-color: var(--muted-2);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  padding: 10px 18px;
}
.btn-ghost:hover { background: var(--bg-soft); }

/* ─── Hero ────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 64px 0 96px;
  overflow: hidden;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(59, 130, 246, 0.10), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(16, 185, 129, 0.08), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero-copy h1 {
  margin-bottom: 18px;
}
.hero-copy h1 .hl {
  background: linear-gradient(120deg, var(--brand-2) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-copy .lede {
  font-size: 1.18rem;
  color: var(--muted);
  margin-bottom: 28px;
  max-width: 540px;
}
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.cta-meta {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-meta span { display: inline-flex; align-items: center; gap: 6px; }
.cta-meta svg { color: var(--accent); }

/* Phone mockup */
.phone-mock {
  position: relative;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  aspect-ratio: 320 / 660;
  background: #0f172a;
  border-radius: 36px;
  padding: 12px;
  box-shadow:
    0 32px 60px -20px rgba(15, 23, 42, 0.35),
    0 0 0 6px rgba(15, 23, 42, 0.06);
  transform: rotate(-2deg);
}
.phone-mock::before {
  content: "";
  position: absolute;
  top: 18px; left: 50%;
  transform: translateX(-50%);
  width: 110px; height: 22px;
  background: #0f172a;
  border-radius: 0 0 14px 14px;
  z-index: 2;
}
.phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 26px;
  overflow: hidden;
  background: #fff;
}
.phone-screen img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top;
}
.phone-mock + .phone-mock {
  margin-left: -80px;
  margin-top: 40px;
  transform: rotate(4deg);
  z-index: -1;
}

/* ─── Trust band ──────────────────────────────────────────────────── */
.trust-band {
  background: var(--ink);
  color: #fff;
  padding: 40px 0;
}
.trust-band-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.trust-item .num {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 4px;
  background: linear-gradient(120deg, #fff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.trust-item .label {
  font-size: 0.88rem;
  color: var(--muted-2);
}

/* ─── Feature grid ────────────────────────────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  padding: 28px 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.feature-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}
.feature-card .icon-box {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--brand-2);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}
.feature-card h3 { margin-bottom: 8px; }
.feature-card p { color: var(--muted); font-size: 0.96rem; }

/* ─── Comparison table ────────────────────────────────────────────── */
.compare-wrap { overflow-x: auto; }
.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-size: 0.95rem;
}
.compare-table th, .compare-table td {
  padding: 16px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.compare-table th { background: var(--bg-soft); font-weight: 700; color: var(--ink); }
.compare-table td.col-us { background: rgba(16, 185, 129, 0.04); font-weight: 600; }
.compare-table tr:last-child td { border-bottom: none; }
.check { color: var(--accent); font-weight: 700; }
.cross { color: #ef4444; font-weight: 700; }
.muted { color: var(--muted); }

/* ─── How-it-works ────────────────────────────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
}
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -16px; left: 24px;
  width: 32px; height: 32px;
  background: var(--gradient);
  color: #fff;
  border-radius: var(--radius-full);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.95rem;
}
.step h3 { margin: 8px 0 6px; }
.step p { color: var(--muted); font-size: 0.96rem; }

/* ─── Built for India ─────────────────────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split-copy h2 { margin-bottom: 16px; }
.split-copy p { color: var(--muted); margin-bottom: 20px; }
.checklist { list-style: none; }
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  color: var(--ink-2);
}
.checklist li::before {
  content: "";
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2310b981'%3E%3Cpath d='M16.7 5.3a1 1 0 0 1 0 1.4l-7 7a1 1 0 0 1-1.4 0l-3-3a1 1 0 1 1 1.4-1.4L9 11.6l6.3-6.3a1 1 0 0 1 1.4 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 14px;
}

/* ─── FAQ ─────────────────────────────────────────────────────────── */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .15s ease;
}
.faq-item[open] { border-color: var(--brand-3); }
.faq-item summary {
  padding: 18px 22px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--muted);
  transition: transform .15s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); color: var(--brand-2); }
.faq-item .body {
  padding: 0 22px 20px;
  color: var(--muted);
  line-height: 1.7;
}

/* ─── Final CTA banner ────────────────────────────────────────────── */
.cta-banner {
  background: var(--gradient);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner h2 { color: #fff; margin-bottom: 12px; }
.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 24px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.cta-banner .btn-primary {
  background: #fff;
  color: var(--brand);
}
.cta-banner .btn-primary:hover {
  background: #f1f5f9;
  color: var(--brand);
}

/* ─── Footer ──────────────────────────────────────────────────────── */
footer.site-footer {
  background: var(--bg-deep);
  color: var(--muted-2);
  padding: 56px 0 32px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.foot-col h4 {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.foot-col ul { list-style: none; }
.foot-col li { margin-bottom: 8px; }
.foot-col a { color: var(--muted-2); font-size: 0.92rem; }
.foot-col a:hover { color: #fff; }
.foot-col p { font-size: 0.92rem; color: var(--muted-2); line-height: 1.6; }
.foot-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.86rem;
}
.foot-bottom a { color: var(--muted-2); }
.foot-bottom a:hover { color: #fff; }
.foot-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
}
.foot-brand .logo {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: var(--gradient);
  display: grid; place-items: center;
  color: #fff; font-weight: 900; font-size: 0.85rem;
}

/* ─── Privacy / policy page ───────────────────────────────────────── */
.policy-wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}
.policy-wrap .updated { color: var(--muted); font-size: 0.92rem; margin-bottom: 28px; }
.policy-summary {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 36px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.policy-summary .icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent);
  flex-shrink: 0;
  display: grid; place-items: center;
}
.policy-wrap h2 {
  font-size: 1.2rem;
  margin: 32px 0 8px;
  color: var(--ink);
}
.policy-wrap p { color: var(--ink-2); margin: 6px 0 14px; }
.policy-wrap code {
  background: var(--bg-soft);
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 0.9em;
  color: var(--brand);
}

/* ─── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-copy { text-align: center; }
  .hero-copy .lede { margin-left: auto; margin-right: auto; }
  .cta-row { justify-content: center; }
  .cta-meta { justify-content: center; }
  .feature-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .trust-band-inner { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .section { padding: 56px 0; }
  .nav-links { display: none; }
  .nav-links.show-cta { display: flex; gap: 12px; }
  .nav-links.show-cta a:not(.btn) { display: none; }
  .feature-grid, .steps { grid-template-columns: 1fr; }
  .trust-band-inner { grid-template-columns: repeat(2, 1fr); }
  .cta-banner { padding: 40px 24px; }
  .foot-grid { grid-template-columns: 1fr; }
  .phone-mock + .phone-mock { display: none; }
}
