/* ===========================================================
   V. K. Jain Private ITI — shared stylesheet
   Palette:  navy #0B3C61 · blue #1B6FA8 · mid-blue #7FB8DE
             tint #EAF4FB · white #FFFFFF · ink #16324A
   Type:     Zilla Slab (headings) / Public Sans (body)
   =========================================================== */

:root {
  --navy: #0B3C61;
  --blue: #1B6FA8;
  --blue-mid: #7FB8DE;
  --blue-tint: #EAF4FB;
  --white: #FFFFFF;
  --ink: #16324A;
  --ink-soft: #4C6B85;
  --line: #CFE4F3;
  --notice-bg: #FDF9EE;
  --notice-border: #C99B2B;

  --font-head: "Zilla Slab", Georgia, serif;
  --font-body: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radius: 6px;
  --max-width: 1120px;
}

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

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  font-size: 17px;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--navy);
  line-height: 1.2;
  margin: 0 0 0.5em;
  font-weight: 600;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; max-width: 80ch; }

a {
  color: var(--blue);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}
a:hover { color: var(--navy); }

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header / Nav ---------- */

.site-header {
  background: var(--white);
  border-bottom: 3px solid var(--blue-tint);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}

.brand-mark { width: 52px; height: 52px; flex-shrink: 0; }

.brand-text h2 {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: 0.2px;
}

.brand-text span {
  display: block;
  font-size: 0.85rem;
  color: var(--ink-soft);
  font-family: var(--font-body);
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
}

.main-nav a {
  display: inline-block;
  padding: 10px 16px;
  color: var(--navy);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  border-radius: var(--radius);
}

.main-nav a:hover { background: var(--blue-tint); }

.main-nav a[aria-current="page"] {
  color: var(--white);
  background: var(--blue);
}

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--blue);
  border-radius: var(--radius);
  padding: 8px 10px;
  cursor: pointer;
}

.nav-toggle svg { display: block; width: 22px; height: 22px; stroke: var(--navy); }

@media (max-width: 760px) {
  .nav-toggle { display: block; }

  .main-nav {
    display: none;
    width: 100%;
    order: 3;
  }

  .main-nav.open { display: block; }

  .main-nav ul {
    flex-direction: column;
    padding: 8px 0 16px;
    border-top: 1px solid var(--line);
    margin-top: 12px;
  }

  .header-inner { flex-wrap: wrap; }
}

/* ---------- Hero ---------- */

.hero {
  background: var(--blue-tint);
  padding: 64px 0 56px;
  border-bottom: 1px solid var(--line);
}

.hero .eyebrow {
  color: var(--blue);
  font-weight: 700;
  margin: 0 0 10px;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 60ch;
}

.btn {
  display: inline-block;
  background: var(--blue);
  color: var(--white);
  padding: 12px 22px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 700;
  border: 2px solid var(--blue);
  transition: background 0.15s ease, color 0.15s ease;
}

.btn:hover { background: var(--navy); border-color: var(--navy); color: var(--white); }

.btn-outline {
  background: transparent;
  color: var(--blue);
}

.btn-outline:hover { background: var(--blue); color: var(--white); }

.btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 24px; }

/* ---------- Notice card (fee order) ---------- */

.notice {
  background: var(--notice-bg);
  border: 1px solid var(--notice-border);
  border-left: 5px solid var(--notice-border);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin: 32px 0;
}

.notice .notice-label {
  font-weight: 700;
  color: #8A6314;
  font-size: 0.82rem;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.notice p { margin-bottom: 10px; }

.notice .notice-link {
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ---------- Sections ---------- */

.section { padding: 56px 0; }
.section-alt { background: var(--blue-tint); }

.section > .container > h2 { margin-bottom: 8px; }

.section-intro {
  color: var(--ink-soft);
  max-width: 60ch;
  margin-bottom: 32px;
}

/* ---------- Cards / grids ---------- */

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

@media (max-width: 700px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.course-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  background: var(--white);
}

.course-card .trade-no {
  color: var(--blue-mid);
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 600;
  line-height: 1;
  margin-bottom: 10px;
}

.course-card h3 { margin-bottom: 6px; }

.course-card ul { margin: 14px 0 0; padding-left: 20px; color: var(--ink-soft); }
.course-card li { margin-bottom: 6px; }

/* ---------- Info strip (home) ---------- */

.info-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 40px;
}

@media (max-width: 700px) {
  .info-strip { grid-template-columns: 1fr; }
}

.info-cell {
  background: var(--white);
  padding: 22px 24px;
}

.info-cell h4 {
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--navy);
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.info-cell p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- Contact page ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: start;
}

@media (max-width: 760px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-list { list-style: none; margin: 0; padding: 0; }

.contact-list li {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.contact-list li:last-child { border-bottom: none; }

.contact-list .icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  stroke: var(--blue);
  margin-top: 2px;
}

.contact-list h4 {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--ink-soft);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin: 0 0 4px;
}

.contact-list p { margin: 0; }

.map-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.map-frame iframe { width: 100%; height: 100%; border: 0; }

/* ---------- About page ---------- */

.about-block { max-width: 74ch; }
.about-block h2 { margin-top: 40px; }
.about-block h2:first-child { margin-top: 0; }

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

@media (max-width: 760px) {
  .pillars { grid-template-columns: 1fr; }
}

.pillar {
  border-top: 3px solid var(--blue);
  padding-top: 12px;
}

.pillar h3 { font-size: 1.05rem; margin-bottom: 6px; }
.pillar p { color: var(--ink-soft); font-size: 0.96rem; margin: 0; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy);
  color: #C9DCEC;
  padding: 44px 0 28px;
  margin-top: 40px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 32px;
}

@media (max-width: 700px) {
  .footer-inner { grid-template-columns: 1fr; }
}

.site-footer h4 {
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  margin: 0 0 12px;
}

.site-footer p, .site-footer a {
  color: #C9DCEC;
  font-size: 0.95rem;
}

.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--white); text-decoration: underline; }

.footer-nav ul { list-style: none; margin: 0; padding: 0; }
.footer-nav li { margin-bottom: 8px; }

.footer-bottom {
  max-width: var(--max-width);
  margin: 32px auto 0;
  padding: 20px 24px 0;
  border-top: 1px solid rgba(255,255,255,0.15);
  font-size: 0.85rem;
  color: #9FBBD3;
}