/* Rishab Infotech – Design System */
/* Brand: #004C8E (blue), #FFC632 (gold) */

:root {
  --blue: #004C8E;
  --blue-dark: #003570;
  --blue-light: #0062b8;
  --gold: #FFC632;
  --gold-dark: #e6b020;
  --white: #ffffff;
  --off-white: #f7f9fc;
  --text: #1a1a2e;
  --muted: #5a6a82;
  --border: #dde4ef;
  --radius: 16px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow: 0 4px 24px rgba(0,76,142,0.10);
  --shadow-lg: 0 12px 48px rgba(0,76,142,0.16);
  --transition: 0.28s cubic-bezier(0.4,0,0.2,1);
  --nav-h: 80px;
  --font: 'Ubuntu', 'Segoe UI', system-ui, sans-serif;
  --font-display: 'Ubuntu', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--white); line-height: 1.65; overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── Typography ── */
h1,h2,h3,h4,h5 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: 1.2rem; }
p { line-height: 1.75; }

/* ── Layout ── */
/* Tailwind-style responsive container */
.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: 16px;
  padding-right: 16px;
}
@media (min-width: 640px)  { .container { max-width: 640px;  padding-left: 24px; padding-right: 24px; } }
@media (min-width: 768px)  { .container { max-width: 768px; } }
@media (min-width: 1024px) { .container { max-width: 1024px; } }
@media (min-width: 1280px) { .container { max-width: 1280px; } }
@media (min-width: 1536px) { .container { max-width: 1400px; } }
.section { padding: 96px 0; }
.section-alt { background: var(--off-white); }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }

/* ── Section header ── */
.sh { text-align: center; max-width: 640px; margin: 0 auto 64px; }
.sh-label {
  display: inline-block;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  background: rgba(0,76,142,0.08);
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.sh h2 { margin-bottom: 14px; color: var(--text); }
.sh p { color: var(--muted); font-size: 1.05rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 30px; border-radius: var(--radius-pill);
  font-size: 0.95rem; font-weight: 600; transition: var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--blue); color: var(--white); box-shadow: 0 4px 20px rgba(0,76,142,0.3); }
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,76,142,0.35); }
.btn-gold { background: var(--gold); color: var(--blue); font-weight: 700; }
.btn-gold:hover { background: var(--gold-dark); transform: translateY(-2px); }
.btn-outline { border: 2px solid var(--blue); color: var(--blue); }
.btn-outline:hover { background: var(--blue); color: var(--white); }
.btn-sm { padding: 10px 22px; font-size: 0.85rem; }
.btn-lg { padding: 18px 42px; font-size: 1.05rem; }

/* ── Navigation ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 12px rgba(0,76,142,0.07);
  transition: var(--transition);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 52px; width: auto; object-fit: contain; }
.nav-logo-fallback { display: flex; align-items: center; gap: 8px; }
.nav-logo-fallback svg { display: block; }
.nav-logo-text { font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; color: var(--blue); }
.nav-logo-text span { color: var(--gold); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link { padding: 8px 18px; border-radius: var(--radius-pill); font-size: 0.9rem; font-weight: 500; color: var(--text); transition: var(--transition); }
.nav-link:hover { background: rgba(0,76,142,0.06); color: var(--blue); }
.nav-link.active { color: var(--blue); font-weight: 600; }
.nav-cta { margin-left: 12px; }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* Mobile drawer */
.drawer {
  display: none; position: fixed; inset: 0; z-index: 99;
  background: rgba(0,76,142,0.96); backdrop-filter: blur(16px);
  flex-direction: column; align-items: center; justify-content: center; gap: 8px;
}
.drawer.open { display: flex; }
.drawer-close {
  position: absolute; top: 20px; right: 20px;
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.15); color: var(--white); font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
}
.drawer .nav-link { font-size: 1.2rem; color: var(--white); padding: 14px 40px; }
.drawer .nav-link:hover { background: rgba(255,255,255,0.12); }
.drawer .btn { margin-top: 16px; }

/* ── Hero ── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden; padding-top: var(--nav-h);
  background: #003570;
}

/* Animated gradient mesh */
.hero::before {
  content: '';
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 50%, #004C8E 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 30%, #0062b8 0%, transparent 55%),
    radial-gradient(ellipse 50% 50% at 60% 80%, #003570 0%, transparent 60%),
    #002a5c;
  animation: heroGradient 10s ease-in-out infinite alternate;
}
@keyframes heroGradient {
  0%   { background-position: 0% 50%, 100% 20%, 60% 80%; }
  50%  { background-position: 30% 60%, 70% 40%, 40% 60%; }
  100% { background-position: 10% 40%, 90% 10%, 70% 90%; }
}

/* Grid overlay */
.hero::after {
  content: '';
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* Floating orbs */
.hero-orb {
  position: absolute; border-radius: 50%; z-index: 0; pointer-events: none;
}
.hero-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,198,50,0.18) 0%, transparent 70%);
  top: -120px; right: -80px;
  animation: orbFloat 8s ease-in-out infinite;
}
.hero-orb-2 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(0,98,184,0.4) 0%, transparent 70%);
  bottom: -60px; left: 20%;
  animation: orbFloat 11s ease-in-out infinite reverse;
}
.hero-orb-3 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(255,198,50,0.12) 0%, transparent 70%);
  top: 40%; right: 25%;
  animation: orbFloat 7s ease-in-out infinite 2s;
}
@keyframes orbFloat {
  0%, 100% { transform: translateY(0px) scale(1); }
  50%       { transform: translateY(-30px) scale(1.08); }
}
.hero-content { position: relative; z-index: 1; width: 100%; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,198,50,0.15); border: 1px solid rgba(255,198,50,0.3);
  color: var(--gold); padding: 8px 18px; border-radius: var(--radius-pill);
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 28px;
}
.hero h1 { color: var(--white); margin-bottom: 8px; max-width: 780px; }
.hero h1 span { color: var(--gold); }
.hero-sub { color: rgba(255,255,255,0.75); font-size: 1.15rem; max-width: 600px; margin: 16px 0 40px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 48px; margin-top: 72px; padding-top: 48px;
  border-top: 1px solid rgba(255,255,255,0.15); flex-wrap: wrap;
}
.stat-num { font-family: var(--font-display); font-size: 2.2rem; font-weight: 800; color: var(--gold); }
.stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.6); margin-top: 2px; text-transform: uppercase; letter-spacing: 0.06em; }

/* ── Service cards ── */
.service-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 28px;
  box-shadow: var(--shadow); transition: var(--transition);
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--gold));
  transform: scaleX(0); transform-origin: left; transition: var(--transition);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card:hover::before { transform: scaleX(1); }
.svc-icon {
  width: 60px; height: 60px; border-radius: 14px;
  background: rgba(0,76,142,0.08); display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: var(--blue); margin-bottom: 20px; transition: var(--transition);
}
.service-card:hover .svc-icon { background: var(--blue); color: var(--white); }
.service-card h3 { color: var(--blue); margin-bottom: 10px; font-size: 1.1rem; }
.service-card p { color: var(--muted); font-size: 0.9rem; line-height: 1.75; }
.svc-num { font-family: var(--font-display); font-size: 4rem; font-weight: 800; color: rgba(0,76,142,0.06); position: absolute; top: 16px; right: 20px; line-height: 1; }

/* ── Why us ── */
.why-card { text-align: center; padding: 32px 24px; }
.why-icon { width: 72px; height: 72px; border-radius: 50%; background: var(--blue); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; margin: 0 auto 20px; color: var(--white); }
.why-card h3 { color: var(--blue); margin-bottom: 8px; }
.why-card p { color: var(--muted); font-size: 0.9rem; }

/* ── Testimonials ── */
.review-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; box-shadow: var(--shadow); position: relative;
}
.review-quote { font-size: 3.5rem; color: var(--gold); line-height: 1; margin-bottom: 8px; font-family: Georgia, serif; }
.review-text { color: var(--text); font-size: 0.95rem; line-height: 1.8; margin-bottom: 24px; }
.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1rem; color: var(--white); flex-shrink: 0;
}
.review-name { font-weight: 700; font-size: 0.9rem; color: var(--text); }
.review-company { font-size: 0.78rem; color: var(--blue); font-weight: 600; }
.stars { color: var(--gold); font-size: 0.85rem; margin-bottom: 4px; display: flex; gap: 3px; }

/* ── CTA band ── */
.cta-band {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  padding: 80px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-band::after {
  content: ''; position: absolute; bottom: -60px; right: -60px;
  width: 300px; height: 300px; border-radius: 50%;
  background: rgba(255,198,50,0.08); pointer-events: none;
}
.cta-band h2 { color: var(--white); margin-bottom: 16px; }
.cta-band p { color: rgba(255,255,255,0.7); font-size: 1.05rem; max-width: 520px; margin: 0 auto 36px; }
.cta-band .btn-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── About page ── */
.page-hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 100%);
  padding: calc(var(--nav-h) + 64px) 0 80px; text-align: center; position: relative;
}
.page-hero h1 { color: var(--white); }
.page-hero p { color: rgba(255,255,255,0.72); font-size: 1.1rem; max-width: 560px; margin: 16px auto 0; }
.page-hero-label { display: inline-block; padding: 6px 18px; border-radius: var(--radius-pill); background: rgba(255,198,50,0.18); color: var(--gold); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 16px; }

.value-card {
  display: flex; align-items: flex-start; gap: 16px; padding: 24px;
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); transition: var(--transition);
}
.value-card:hover { border-color: var(--blue); box-shadow: var(--shadow-lg); }
.value-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(0,76,142,0.08); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; color: var(--blue); flex-shrink: 0; }
.value-card h4 { font-size: 0.95rem; font-weight: 700; color: var(--blue); margin-bottom: 4px; }
.value-card p { font-size: 0.85rem; color: var(--muted); }

.about-img-box {
  background: linear-gradient(135deg, rgba(0,76,142,0.06), rgba(0,76,142,0.02));
  border: 1px solid var(--border); border-radius: 24px; padding: 48px 40px;
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  text-align: center; gap: 24px;
}
.about-big-stat { font-family: var(--font-display); font-size: 5rem; font-weight: 900; color: var(--blue); line-height: 1; }
.about-big-stat span { font-size: 2.5rem; }

/* ── Contact ── */
.contact-form-wrap {
  background: var(--white); border: 1px solid var(--border); border-radius: 24px;
  padding: 48px; box-shadow: var(--shadow-lg);
}
.contact-info-wrap {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  border-radius: 24px; padding: 48px; color: var(--white);
  display: flex; flex-direction: column; gap: 0;
}
.contact-info-wrap h3 { color: var(--white); margin-bottom: 8px; font-size: 1.5rem; }
.contact-info-wrap > p { color: rgba(255,255,255,0.7); margin-bottom: 40px; font-size: 0.95rem; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.contact-item:last-of-type { border-bottom: none; }
.ci-icon { width: 44px; height: 44px; border-radius: 12px; background: rgba(255,255,255,0.12); display: flex; align-items: center; justify-content: center; font-size: 1rem; color: var(--gold); flex-shrink: 0; }
.ci-label { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold); margin-bottom: 2px; }
.ci-value { font-size: 0.9rem; color: rgba(255,255,255,0.9); }

.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.8rem; font-weight: 700; color: var(--blue); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
.form-input, .form-textarea, .form-select {
  width: 100%; padding: 13px 16px; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  font: inherit; font-size: 0.92rem; color: var(--text); background: var(--off-white);
  transition: var(--transition); outline: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus { border-color: var(--blue); background: var(--white); box-shadow: 0 0 0 3px rgba(0,76,142,0.08); }
.form-textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── Footer ── */
.footer { background: var(--blue-dark); color: var(--white); padding: 72px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-logo img { height: 52px; width: auto; object-fit: contain; filter: brightness(0) invert(1); margin-bottom: 16px; }
.footer-logo-fallback { margin-bottom: 16px; }
.footer-logo-text { font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; color: var(--white); }
.footer-logo-text span { color: var(--gold); }
.footer-desc { color: rgba(255,255,255,0.6); font-size: 0.87rem; line-height: 1.8; max-width: 280px; margin-bottom: 24px; }
.footer-socials { display: flex; gap: 8px; }
.social-btn {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.1); color: var(--white); font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center; transition: var(--transition);
}
.social-btn:hover { background: var(--gold); color: var(--blue); }
.footer-col h4 { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--gold); margin-bottom: 20px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-link { font-size: 0.875rem; color: rgba(255,255,255,0.6); transition: color 0.2s; }
.footer-link:hover { color: var(--white); }
.footer-bottom { padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.1); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.45); }
.footer-bottom-links { display: flex; gap: 20px; }

/* ── Reveal animations ── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal.visible { opacity: 1; transform: none; }
.d1 { transition-delay: 0.1s; } .d2 { transition-delay: 0.2s; } .d3 { transition-delay: 0.3s; }

/* ── Map ── */
.map-section { height: 420px; background: var(--off-white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.map-section iframe { width: 100%; height: 100%; border: 0; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .hero-stats { gap: 28px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap, .contact-info-wrap { padding: 32px 24px; }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-stats { flex-direction: column; align-items: flex-start; }
  .cta-band .btn-actions { flex-direction: column; align-items: center; }
}

/* ── Service detail cards (services.html) ── */
.service-detail-card {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: flex-start;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}
.service-detail-card:last-child { border-bottom: none; }
.sdc-icon { font-size: 2.2rem; padding-top: 8px; color: var(--blue); }
.sdc-num {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--gold-dark); margin-bottom: 8px;
}
.sdc-body h2 { color: var(--blue); font-size: 1.6rem; margin-bottom: 14px; }
.sdc-body > p { color: var(--muted); line-height: 1.8; margin-bottom: 20px; max-width: 680px; }
.sdc-list {
  list-style: none; display: flex; flex-direction: column; gap: 8px;
}
.sdc-list li {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.9rem; color: var(--text);
}
.sdc-list li::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold); flex-shrink: 0;
}

/* ── Hero split layout ── */
.hero-split {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
  width: 100%;
}
.hero-logo-panel {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-logo-panel img {
  max-width: 260px;
  width: 100%;
  filter: brightness(0) invert(1);
  opacity: 0.92;
  animation: logoPulse 4s ease-in-out infinite;
}
.hero-logo-fallback-panel {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--white);
  opacity: 0.9;
  text-align: center;
  line-height: 1.2;
}
.hero-logo-fallback-panel span { color: var(--gold); display: block; }
@keyframes logoPulse {
  0%, 100% { opacity: 0.85; transform: scale(1); }
  50%       { opacity: 1;    transform: scale(1.04); }
}

@media (max-width: 768px) {
  .hero-split { grid-template-columns: 1fr; }
  .hero-logo-panel { display: none; }
  .service-detail-card { grid-template-columns: 1fr; gap: 16px; }
  .sdc-icon { font-size: 2rem; padding-top: 0; }
}