/* Cloud with Vikas — site styles */
:root {
  --navy: #0B3D91;
  --navy-deep: #082a68;
  --navy-ink: #0a1f44;
  --sky: #38BDF8;
  --sky-soft: #e6f6fe;
  --text: #1c2638;
  --muted: #5b6678;
  --line: #e3e8f0;
  --bg: #ffffff;
  --bg-alt: #f5f8fc;
  --radius: 14px;
  --max: 1160px;
  --shadow: 0 6px 24px rgba(11, 61, 145, 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%; display: block; }
a { color: var(--navy); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; color: var(--navy-ink); }
.brand:hover { text-decoration: none; }
.brand img { width: 46px; height: 46px; }
.brand b { font-weight: 700; }
.brand span { color: var(--sky); }
.nav-links { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; align-items: center; }
.nav-links a { color: var(--text); font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--navy); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.6rem; color: var(--navy-ink); cursor: pointer; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: 12px 24px; border-radius: 999px;
  font-weight: 600; font-size: 0.95rem; transition: transform .15s, box-shadow .15s, background .15s;
  border: 2px solid transparent; cursor: pointer; font-family: inherit;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--sky); color: var(--navy-ink); }
.btn-primary:hover { box-shadow: 0 6px 18px rgba(56, 189, 248, 0.4); }
.btn-outline { border-color: rgba(255,255,255,0.6); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.1); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { box-shadow: 0 6px 18px rgba(11, 61, 145, 0.3); }
.nav-links .btn { padding: 8px 18px; color: var(--navy-ink); }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(circle at 85% 15%, rgba(56,189,248,0.22) 0%, rgba(56,189,248,0) 45%),
    linear-gradient(135deg, var(--navy) 0%, #0a3480 55%, var(--navy-deep) 100%);
  color: #fff; padding: 96px 0 104px; position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.07) 1.5px, transparent 1.5px);
  background-size: 34px 34px; pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.eyebrow {
  display: inline-block; font-size: 0.8rem; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; color: var(--sky); margin-bottom: 16px;
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.12; margin: 0 0 20px; max-width: 780px; }
.hero h1 span { color: var(--sky); }
.hero p.lead { font-size: 1.15rem; color: #c9def5; max-width: 640px; margin: 0 0 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 44px; margin-top: 56px; flex-wrap: wrap; }
.hero-stats div strong { display: block; font-size: 1.8rem; color: #fff; }
.hero-stats div span { font-size: 0.9rem; color: #a9c4e6; }

/* ---------- Sections ---------- */
section { padding: 84px 0; }
section.alt { background: var(--bg-alt); }
.section-head { max-width: 680px; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); margin: 0 0 12px; color: var(--navy-ink); line-height: 1.2; }
.section-head p { color: var(--muted); margin: 0; font-size: 1.05rem; }
.section-head .eyebrow { color: var(--navy); }

.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow); display: flex; flex-direction: column;
}
.card h3 { margin: 0 0 10px; font-size: 1.2rem; color: var(--navy-ink); line-height: 1.35; }
.card p { margin: 0 0 16px; color: var(--muted); font-size: 0.97rem; }
.card ul { margin: 0 0 18px; padding-left: 18px; color: var(--muted); font-size: 0.94rem; }
.card ul li { margin-bottom: 4px; }
.card .card-foot { margin-top: auto; }

.tag {
  display: inline-block; font-size: 0.75rem; font-weight: 600; padding: 4px 10px;
  border-radius: 999px; background: var(--sky-soft); color: var(--navy); margin-bottom: 14px;
  align-self: flex-start;
}
.tag.soon { background: #fff4e0; color: #9a5b00; }

.icon {
  width: 48px; height: 48px; border-radius: 12px; background: var(--sky-soft);
  display: grid; place-items: center; margin-bottom: 18px; color: var(--navy);
}
.icon svg { width: 26px; height: 26px; }

/* Course card */
.course-card .course-banner {
  margin: -28px -28px 22px; height: 150px; border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(135deg, var(--navy), var(--navy-deep));
  display: flex; align-items: center; justify-content: center; color: #fff;
  font-weight: 700; font-size: 1.6rem; letter-spacing: 1px; position: relative; overflow: hidden;
}
.course-card .course-banner small { display: block; font-size: 0.8rem; font-weight: 500; color: var(--sky); letter-spacing: 2px; text-align: center; }
.course-card.placeholder .course-banner { background: linear-gradient(135deg, #3a4a66, #27344d); }

/* About */
.about { display: grid; grid-template-columns: 1fr 1.3fr; gap: 56px; align-items: center; }
.about-photo {
  aspect-ratio: 1; border-radius: 24px;
  background: linear-gradient(135deg, var(--navy), var(--navy-deep));
  display: grid; place-items: center; color: #a9c4e6; font-size: 0.95rem; text-align: center;
  padding: 20px; position: relative;
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; border-radius: 24px; position: absolute; inset: 0; }
.about h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); color: var(--navy-ink); margin: 0 0 16px; line-height: 1.2; }
.about p { color: var(--muted); }
.certs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.cert {
  border: 1px solid var(--line); border-radius: 10px; padding: 8px 14px; background: #fff;
  font-size: 0.88rem; font-weight: 600; color: var(--navy-ink);
}
.cert small { display: block; font-weight: 400; color: var(--muted); font-size: 0.75rem; }

/* Process */
.steps { counter-reset: step; }
.step { position: relative; padding-left: 0; }
.step::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  background: var(--navy); color: #fff; font-weight: 700; margin-bottom: 14px;
}

/* Blog cards */
.post-card .post-meta { font-size: 0.82rem; color: var(--muted); margin-bottom: 8px; }
.post-card h3 a { color: var(--navy-ink); }

/* Contact */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.contact-list { list-style: none; padding: 0; margin: 24px 0 0; }
.contact-list li { display: flex; gap: 12px; align-items: center; margin-bottom: 14px; color: var(--text); }
.contact-list svg { width: 22px; height: 22px; color: var(--navy); flex-shrink: 0; }
form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
form label { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 6px; color: var(--navy-ink); }
form input, form select, form textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  font-family: inherit; font-size: 0.95rem; margin-bottom: 16px; background: #fff; color: var(--text);
}
form input:focus, form select:focus, form textarea:focus { outline: 2px solid var(--sky); border-color: var(--sky); }
form textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: 0.82rem; color: var(--muted); margin-top: 8px; }

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--navy), var(--navy-deep)); color: #fff;
  border-radius: 20px; padding: 48px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.cta-band h3 { margin: 0 0 6px; font-size: 1.6rem; }
.cta-band p { margin: 0; color: #c9def5; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-ink); color: #a9b8d0; padding: 56px 0 28px; font-size: 0.92rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 36px; }
.site-footer h4 { color: #fff; margin: 0 0 14px; font-size: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: #a9b8d0; }
.site-footer a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.site-footer .brand { color: #fff; margin-bottom: 12px; }

/* ---------- Blog pages ---------- */
.page-hero { background: linear-gradient(135deg, var(--navy), var(--navy-deep)); color: #fff; padding: 64px 0; }
.page-hero h1 { margin: 0 0 10px; font-size: clamp(1.9rem, 4vw, 2.8rem); line-height: 1.2; }
.page-hero p { margin: 0; color: #c9def5; max-width: 680px; }
.article { max-width: 760px; margin: 0 auto; padding: 56px 20px 80px; }
.article h2 { color: var(--navy-ink); margin-top: 40px; line-height: 1.3; }
.article h3 { color: var(--navy-ink); margin-top: 28px; }
.article table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.94rem; }
.article th, .article td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.article th { background: var(--bg-alt); color: var(--navy-ink); }
.article blockquote { margin: 24px 0; padding: 14px 20px; border-left: 4px solid var(--sky); background: var(--sky-soft); border-radius: 0 10px 10px 0; }
.article .meta { color: #a9c4e6; font-size: 0.9rem; margin-top: 12px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .about, .contact-wrap { grid-template-columns: 1fr; }
  .about-photo { max-width: 360px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff;
    flex-direction: column; gap: 0; border-bottom: 1px solid var(--line); padding: 8px 0;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 20px; }
  .nav-links .btn { margin: 8px 20px; text-align: center; display: block; }
  .grid-3, .grid-2, form .row { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .hero { padding: 72px 0 80px; }
  .hero-stats { gap: 28px; }
  .cta-band { padding: 32px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
}