/* ============================================================
   Malhotra Commerce & Computer Classes – Main Stylesheet
   ============================================================ */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:   #4f46e5;   /* indigo */
  --primary-d: #3730a3;
  --accent:    #f59e0b;   /* amber */
  --text:      #1e1b4b;
  --text-muted:#6b7280;
  --bg:        #ffffff;
  --bg-alt:    #f8fafc;
  --border:    #e5e7eb;
  --radius:    12px;
  --radius-sm: 8px;
  --shadow:    0 4px 24px rgba(79,70,229,.10);
  --transition:.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-d); }

address { font-style: normal; }

ul { list-style: none; }

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

/* ── Container ── */
.container {
  width: min(1140px, 92%);
  margin-inline: auto;
}

/* ── Utility ── */
.accent { color: var(--primary); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .625rem 1.4rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .925rem;
  background: var(--primary);
  color: #fff;
  border: 2px solid var(--primary);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn:hover { background: var(--primary-d); border-color: var(--primary-d); color: #fff; transform: translateY(-1px); }

.btn-outline { background: transparent; color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }

.btn-sm { padding: .45rem 1rem; font-size: .85rem; }
.btn-lg { padding: .8rem 2rem; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   NAV
   ============================================================ */
.nav-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  flex-shrink: 0;
}
.logo:hover { color: var(--text); }
.logo-icon { font-size: 1.5rem; }

.nav-links {
  display: flex;
  gap: 1.75rem;
  margin-left: auto;
}
.nav-links a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: .95rem;
}
.nav-links a:hover { color: var(--primary); }

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text);
  margin-left: auto;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0;
  padding: 1rem;
  border-top: 1px solid var(--border);
  background: #fff;
}
.mobile-nav a {
  display: block;
  padding: .75rem 1rem;
  color: var(--text);
  font-weight: 500;
  border-radius: var(--radius-sm);
}
.mobile-nav a:hover { background: var(--bg-alt); }

.mobile-nav.open { display: flex; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  padding: 6rem 0 5rem;
  overflow: hidden;
  background: linear-gradient(145deg, #eef2ff 0%, #f0f9ff 60%, #fdf4ff 100%);
}

.hero-bg-shapes { position: absolute; inset: 0; pointer-events: none; }
.shape {
  position: absolute;
  border-radius: 50%;
  opacity: .18;
}
.shape-1 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, var(--primary), transparent 70%);
  top: -120px; right: -100px;
}
.shape-2 {
  width: 380px; height: 380px;
  background: radial-gradient(circle, var(--accent), transparent 70%);
  bottom: -100px; left: -80px;
}

.hero-inner {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.hero-badge {
  display: inline-block;
  background: rgba(79,70,229,.10);
  color: var(--primary);
  border: 1px solid rgba(79,70,229,.25);
  padding: .35rem 1rem;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 600;
}

.hero-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  line-height: 1.18;
  color: var(--text);
}

.hero-sub {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 560px;
}

.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

.hero-stats {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 1rem;
  background: #fff;
  border-radius: var(--radius);
  padding: 1.25rem 2rem;
  box-shadow: var(--shadow);
}

.stat { text-align: center; padding: 0 1rem; }
.stat-num { display: block; font-size: 1.75rem; font-weight: 700; color: var(--primary); }
.stat-label { font-size: .78rem; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: .04em; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee-wrap {
  overflow: hidden;
  background: var(--primary);
  padding: .6rem 0;
}
.marquee-track {
  display: flex;
  white-space: nowrap;
  animation: marquee 28s linear infinite;
  color: rgba(255,255,255,.85);
  font-size: .9rem;
  font-weight: 500;
  letter-spacing: .04em;
}
.marquee-track span { padding: 0 .5rem; }

@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding: 5rem 0; }
.section-alt { background: var(--bg-alt); }

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-header h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); margin-bottom: .75rem; }
.section-header p { color: var(--text-muted); font-size: 1.05rem; max-width: 540px; margin-inline: auto; }

.section-eyebrow {
  display: inline-block;
  color: var(--primary);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: .5rem;
}

h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 700; margin-bottom: 1rem; }

/* ── Two-column ── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.about-card {
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  box-shadow: 0 2px 12px rgba(0,0,0,.07);
  transition: transform var(--transition);
}
.about-card:hover { transform: translateY(-4px); }
.about-card strong { font-size: 1rem; }
.about-card small { color: var(--text-muted); font-size: .82rem; }
.card-icon { font-size: 1.75rem; }

.card-teal   { background: #ecfdf5; }
.card-blue   { background: #eef2ff; grid-column: span 2; flex-direction: row; align-items: center; gap: 1rem; }
.card-orange { background: #fff7ed; }

.about-text .section-eyebrow { margin-bottom: .25rem; }
.about-text p { color: var(--text-muted); margin-bottom: 1rem; }

.check-list { display: flex; flex-direction: column; gap: .5rem; }
.check-list li { font-size: .95rem; }

/* ============================================================
   COURSES
   ============================================================ */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.course-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  transition: box-shadow var(--transition), transform var(--transition);
}
.course-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }

.course-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.course-card h3 { font-size: 1.1rem; }
.course-card p  { color: var(--text-muted); font-size: .92rem; flex: 1; }
.course-card ul { display: flex; flex-direction: column; gap: .3rem; }
.course-card ul li { font-size: .85rem; color: var(--text-muted); padding-left: 1rem; position: relative; }
.course-card ul li::before { content: '→'; position: absolute; left: 0; color: var(--primary); }

.course-link {
  font-weight: 600;
  font-size: .9rem;
  color: var(--primary);
  align-self: flex-start;
  margin-top: auto;
}
.course-link:hover { color: var(--primary-d); }

/* ============================================================
   FEATURES (Why Us)
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-item:hover { box-shadow: var(--shadow); transform: translateY(-3px); }

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: .75rem;
}
.feature-item h4 { font-size: 1.05rem; margin-bottom: .5rem; }
.feature-item p  { color: var(--text-muted); font-size: .92rem; }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.testimonial-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: 0 2px 10px rgba(0,0,0,.05);
}

.stars { color: var(--accent); font-size: 1.1rem; letter-spacing: .1em; }

.testimonial-card p { color: var(--text-muted); font-size: .95rem; flex: 1; }

.student {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-top: auto;
}
.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, #818cf8 100%);
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.student strong { display: block; font-size: .95rem; }
.student small  { display: block; color: var(--text-muted); font-size: .8rem; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid { gap: 3rem; }

.contact-info .section-eyebrow { margin-bottom: .25rem; }
.contact-info > p { color: var(--text-muted); margin: .75rem 0 2rem; }

.info-items { display: flex; flex-direction: column; gap: 1.25rem; }

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.info-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: .1rem; }
.info-item strong { display: block; font-size: .9rem; margin-bottom: .2rem; }
.info-item p  { color: var(--text-muted); font-size: .9rem; margin: 0; }
.info-item a  { color: var(--text-muted); }
.info-item a:hover { color: var(--primary); }

/* ── Form ── */
.contact-form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.25rem;
  box-shadow: var(--shadow);
}
.contact-form h3 { font-size: 1.3rem; margin-bottom: 1.5rem; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.form-group { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1rem; }
.form-group label { font-size: .85rem; font-weight: 600; color: var(--text); }

.form-group input,
.form-group select,
.form-group textarea {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .625rem .875rem;
  font-size: .95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,.12);
}

.form-group textarea { resize: vertical; min-height: 90px; }

.form-note { text-align: center; color: var(--text-muted); font-size: .82rem; margin-top: .6rem; }

.form-success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-sm);
  padding: .875rem 1rem;
  font-weight: 600;
  text-align: center;
  margin-top: 1rem;
  font-size: .95rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #0f172a;
  color: #cbd5e1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2.5rem;
  padding: 4rem 0 2.5rem;
}

.footer-tagline { font-size: .9rem; color: #94a3b8; max-width: 240px; }

.footer h4 { color: #f1f5f9; font-size: .95rem; margin-bottom: 1rem; }

.footer ul { display: flex; flex-direction: column; gap: .6rem; }
.footer ul li a { color: #94a3b8; font-size: .9rem; }
.footer ul li a:hover { color: #fff; }

.footer address p { font-size: .88rem; color: #94a3b8; margin-bottom: .5rem; }
.footer address a { color: #94a3b8; }
.footer address a:hover { color: #fff; }

.footer .logo { color: #f1f5f9; }
.footer .logo-text { color: #f1f5f9; }
.footer .accent  { color: #a5b4fc; }

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding: 1.25rem 0;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem;
}
.footer-bottom p { color: #64748b; font-size: .83rem; }
.footer-bottom a { color: #94a3b8; }
.footer-bottom a:hover { color: #fff; }

/* ============================================================
   LEGAL PAGES
   ============================================================ */
.legal-hero {
  background: linear-gradient(135deg, #eef2ff 0%, #f0f9ff 100%);
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--border);
}
.legal-hero h1 { font-size: clamp(2rem, 4vw, 3rem); margin: .5rem 0; }
.legal-hero p  { color: var(--text-muted); font-size: .95rem; }

.legal-body { max-width: 820px; }

.legal-toc {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  margin-bottom: 2.5rem;
}
.legal-toc h4 { margin-bottom: .75rem; font-size: .95rem; }
.legal-toc ol { padding-left: 1.25rem; display: flex; flex-direction: column; gap: .35rem; }
.legal-toc li { font-size: .9rem; }
.legal-toc a  { color: var(--primary); }

.legal-body h2 {
  font-size: 1.3rem;
  margin-top: 2.5rem;
  margin-bottom: .75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.legal-body h2:first-of-type { border-top: none; }

.legal-body p  { color: var(--text-muted); margin-bottom: 1rem; font-size: .97rem; }
.legal-body ul { padding-left: 1.25rem; list-style: disc; margin-bottom: 1.25rem; }
.legal-body ul li { color: var(--text-muted); font-size: .97rem; margin-bottom: .4rem; }
.legal-body address { margin: 1.5rem 0; color: var(--text-muted); font-size: .97rem; line-height: 2; }
.legal-body address a { color: var(--primary); }
.legal-body strong { color: var(--text); }

.legal-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.nav-links a.active { color: var(--primary); font-weight: 600; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .courses-grid   { grid-template-columns: repeat(2, 1fr); }
  .features-grid  { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid    { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-inner > .btn { display: none; }
  .hamburger { display: flex; }

  .hero { padding: 4rem 0 3rem; }
  .hero-stats { gap: .25rem; }
  .stat { padding: 0 .5rem; }

  .two-col { grid-template-columns: 1fr; gap: 2rem; }
  .about-visual { grid-template-columns: 1fr 1fr; }
  .card-blue { grid-column: span 2; }

  .courses-grid   { grid-template-columns: 1fr; }
  .features-grid  { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; padding: 2.5rem 0 1.5rem; }
  .footer-bottom .container { flex-direction: column; text-align: center; }

  .form-row { grid-template-columns: 1fr; }

  .legal-toc ol { columns: 1; }
}

@media (max-width: 480px) {
  .hero-stats { flex-direction: column; gap: .75rem; padding: 1.25rem; }
  .stat-divider { width: 60px; height: 1px; }
  .about-visual { grid-template-columns: 1fr; }
  .card-blue { grid-column: span 1; flex-direction: column; align-items: flex-start; }
}