/* Agasthi Siddha — static site styles */
:root {
  --navy: #1d2a5c;
  --navy-dark: #141d42;
  --green: #75be43;
  --green-dark: #5a9a2f;
  --orange: #f39c33;
  --blue: #3fa9e0;
  --text: #2f3143;
  --muted: #5e6282;
  --bg: #ffffff;
  --bg-soft: #f4f8f1;
  --border: #e3e8ee;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(29, 42, 92, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); }
h1, h2, h3, h4 { color: var(--navy); line-height: 1.25; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); font-weight: 600; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 600; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px; }
section { padding: 72px 0; }
.soft { background: var(--bg-soft); }
.center { text-align: center; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 720px; }
.center .lead { margin-left: auto; margin-right: auto; }
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--green-dark); margin-bottom: .6em;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--border); backdrop-filter: blur(6px);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.nav .logo img { height: 52px; width: auto; }
.nav-links { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; align-items: center; }
.nav-links a { text-decoration: none; font-weight: 500; color: var(--text); font-size: .95rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--green-dark); }
.nav-toggle {
  display: none; background: none; border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 10px; cursor: pointer; font-size: 1.2rem; color: var(--navy);
}
@media (max-width: 880px) {
  .nav-toggle { display: block; margin-left: auto; }
  .nav-links {
    display: none; position: absolute; top: 76px; left: 0; right: 0; background: #fff;
    flex-direction: column; align-items: stretch; gap: 0; border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links li a { display: block; padding: 14px 16px; border-top: 1px solid var(--border); }
  .nav-links .btn { margin: 12px 16px; text-align: center; }
}

/* Buttons */
.btn {
  display: inline-block; padding: 12px 24px; border-radius: 999px; font-weight: 500;
  text-decoration: none; border: 2px solid transparent; cursor: pointer; font-size: .95rem;
  font-family: inherit; transition: background .2s, color .2s, border-color .2s;
}
.btn-primary { background: var(--green); color: #fff !important; }
.btn-primary:hover { background: var(--green-dark); }
.btn-navy { background: var(--navy); color: #fff !important; }
.btn-navy:hover { background: var(--navy-dark); }
.btn-outline { border-color: var(--navy); color: var(--navy) !important; background: transparent; }
.btn-outline:hover { background: var(--navy); color: #fff !important; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.5em; }

/* Hero */
.hero {
  background: linear-gradient(90deg, rgba(244,248,241,.97) 0%, rgba(244,248,241,.88) 45%, rgba(244,248,241,.1) 75%),
              url("img/banner-01.jpg") center right / cover no-repeat;
  padding: 110px 0 100px;
}
.hero .content { max-width: 600px; }
.hero p { font-size: 1.1rem; color: var(--muted); }
.page-hero { background: var(--bg-soft); padding: 64px 0 56px; }
.page-hero p { color: var(--muted); max-width: 720px; font-size: 1.08rem; }
@media (max-width: 720px) {
  .hero { background: var(--bg-soft); padding: 64px 0; }
}

/* Grids & cards */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
@media (max-width: 380px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow); display: flex; flex-direction: column;
}
.card p { color: var(--muted); }
.card .btn { margin-top: auto; align-self: flex-start; }
.card ul { padding-left: 1.1em; color: var(--muted); margin: 0 0 1.2em; }
.card ul li { margin-bottom: .3em; }
.icon {
  width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center;
  font-size: 1.5rem; margin-bottom: 16px; background: rgba(117,190,67,.14);
}
.icon.orange { background: rgba(243,156,51,.15); }
.icon.blue { background: rgba(63,169,224,.15); }
.icon.navy { background: rgba(29,42,92,.1); }

.badge {
  display: inline-block; font-size: .72rem; font-weight: 600; padding: 4px 10px;
  border-radius: 999px; margin-bottom: 12px; align-self: flex-start; letter-spacing: .03em;
}
.badge-available { background: #e3f3d8; color: #3f7a1a; }
.badge-pilot { background: #fdecd6; color: #a35a08; }
.badge-research { background: #dceffa; color: #1b6a96; }

.price { font-size: 1.05rem; font-weight: 600; color: var(--navy); margin-bottom: 1em; }
.price small { font-weight: 400; color: var(--muted); }

/* Split section */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } }
.split img { border-radius: var(--radius); }

/* Roadmap */
.steps { list-style: none; padding: 0; margin: 0; counter-reset: step; }
.steps li {
  position: relative; padding: 0 0 26px 56px; counter-increment: step;
}
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 0; width: 38px; height: 38px;
  border-radius: 50%; background: var(--green); color: #fff; display: grid; place-items: center;
  font-weight: 600;
}
.steps li::after {
  content: ""; position: absolute; left: 18px; top: 40px; bottom: 4px; width: 2px; background: var(--border);
}
.steps li:last-child::after { display: none; }
.steps strong { color: var(--navy); display: block; }
.steps span { color: var(--muted); }

/* CTA band */
.cta-band { background: var(--navy); color: #dfe4f5; padding: 64px 0; }
.cta-band h2 { color: #fff; }
.cta-band .inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }

/* Notice */
.notice {
  border-left: 4px solid var(--orange); background: #fff8ef; padding: 16px 20px;
  border-radius: 8px; color: var(--text); font-size: .92rem; margin-top: 32px;
}

/* Forms */
form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { form .row { grid-template-columns: 1fr; } }
label { display: block; font-weight: 500; font-size: .9rem; margin-bottom: 6px; color: var(--navy); }
input, select, textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px;
  font: inherit; font-size: .95rem; margin-bottom: 16px; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--green); border-color: transparent; }
textarea { min-height: 130px; resize: vertical; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--muted); }
.check input { width: auto; margin: 5px 0 0; }

/* FAQ */
details { border: 1px solid var(--border); border-radius: 10px; padding: 16px 20px; margin-bottom: 12px; background: #fff; }
summary { cursor: pointer; font-weight: 500; color: var(--navy); }
details p { margin: 12px 0 0; color: var(--muted); }

/* Footer */
.site-footer { background: var(--navy-dark); color: #b9c1dc; padding: 56px 0 24px; font-size: .92rem; }
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 14px; }
.site-footer a { color: #b9c1dc; text-decoration: none; }
.site-footer a:hover { color: var(--green); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-logo { height: 52px; width: auto; margin-bottom: 14px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 40px; padding-top: 20px; text-align: center; font-size: .85rem; }