/* =====================================================================
   GLOBAL DESIGN SYSTEM — ISOINDIA WEBSITE
   ===================================================================== */

/* RESET */
* {
  margin: 0; padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}
html { scroll-behavior: smooth; }
body { color: #333; background: #fff; line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
a { text-decoration: none; }

/* COLORS */
:root {
  --blue: #1e3c72;
  --blue2: #2a5298;
  --orange: #ff3535;
  --orange2: #f90000;
  --light: #f8f9fa;
  --dark: #222;
}

/* GLOBAL CONTAINER */
.container {
  max-width: 1200px;
  margin: auto;
  padding: 70px 20px;
}

/* TITLES */
.section-title {
  font-size: 2.3rem;
  color: var(--blue);
  text-align: center;
  margin-bottom: 12px;
  font-weight: 700;
}
.section-sub, .section-description {
  text-align: center;
  color: #666;
  margin-bottom: 40px;
  font-size: 1.1rem;
}

/* =====================================================================
   NAVIGATION HEADER
   ===================================================================== */
.navbar {
  background: #fff;
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 3px 12px rgba(0,0,0,0.07);
}
.nav-container {
  max-width: 1200px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}
.logo {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--blue);
}
.logo span { color: var(--orange); }
.nav-menu { display: flex; gap: 26px; }
.nav-menu li a {
  font-weight: 600;
  color: #333;
  transition: .25s;
}
.nav-menu li a:hover,
.nav-menu li a.active { color: var(--orange); }
.nav-cta {
  background: var(--orange);
  padding: 9px 22px;
  border-radius: 25px;
  color: #fff;
  font-weight: 600;
  transition: .25s;
}
.nav-cta:hover { background: var(--orange2); }

/* HAMBURGER (mobile) */
.hamburger {
  display: none;
  font-size: 30px;
  cursor: pointer;
}

/* MOBILE MENU */
@media(max-width: 992px) {
  .nav-menu {
    position: absolute;
    top: 70px; right: 0;
    width: 100%;
    flex-direction: column;
    background: #fff;
    border-top: 2px solid #eee;
    padding: 20px 0;
    display: none;
  }
  .nav-menu.show { display: flex; }
  .hamburger { display: block; }
}

/* =====================================================================
   HERO SECTIONS
   ===================================================================== */
.hero,
.page-hero,
.faq-hero {
  background: linear-gradient(135deg, var(--blue), var(--blue2));
  color: #fff;
  padding: 90px 20px;
  text-align: center;
}
.hero h1, .page-hero h1, .faq-hero h1 {
  font-size: 3rem;
  margin-bottom: 15px;
}
.hero span { color: var(--orange); }

/* BUTTONS */
.btn-primary, .cta-button {
  background: var(--orange);
  padding: 15px 38px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.05rem;
  color: #fff;
  display: inline-block;
  transition: .25s;
}
.btn-primary:hover,
.cta-button:hover {
  background: var(--orange2);
  transform: translateY(-2px);
}
.btn-secondary, .cta-button.secondary {
  padding: 15px 36px;
  border-radius: 50px;
  font-weight: 600;
  border: 2px solid #fff;
  color: #fff;
  display: inline-block;
  transition: .25s;
}
.btn-secondary:hover,
.cta-button.secondary:hover {
  background:#fff;
  color: var(--blue);
}

/* =====================================================================
   GRID LAYOUTS (Cards)
   ===================================================================== */
.features-grid,
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: 22px;
}
.feature-card,
.service-card {
  background: #fff;
  border-radius: 12px;
  padding: 26px;
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
  transition: .25s;
}
.feature-card:hover,
.service-card:hover {
  transform: translateY(-4px);
}
.feature-card h3,
.service-card h4 { color: var(--blue); margin-bottom: 8px; }

/* =====================================================================
   ABOUT PAGE
   ===================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 40px;
}
@media(max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; text-align: center; }
}

/* =====================================================================
   MISSION VISION VALUES
   ===================================================================== */
.mvv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(260px,1fr));
  gap: 20px;
}
.mvv-card {
  background: var(--light);
  padding: 26px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,.05);
}
.mvv-card h4 {
  color: var(--blue);
  margin-bottom: 10px;
}

/* =====================================================================
   TIMELINE
   ===================================================================== */
.timeline {
  border-left: 4px solid var(--orange);
  padding-left: 25px;
  display: grid;
  gap: 22px;
}
.timeline-item span {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--orange);
}

/* =====================================================================
   CTA BANNER
   ===================================================================== */
.cta-lead {
  background: linear-gradient(135deg, var(--orange), var(--orange2));
  color: white;
  padding: 80px 20px;
  text-align: center;
}
.cta-inner {
  max-width: 1100px;
  margin: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: space-between;
  align-items: center;
  text-align: left;
}
@media(max-width:900px) { .cta-inner { text-align: center; flex-direction: column; } }

/* =====================================================================
   FOOTER
   ===================================================================== */
.footer {
  background: var(--dark);
  color: #ccc;
  padding: 50px 20px 20px;
}
.footer-content {
  max-width: 1200px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
  gap: 30px;
}
.footer h3 { color: var(--orange); margin-bottom: 10px; }
.footer a { display: block; margin: 5px 0; color: #ccc; }
.footer a:hover { color: #fff; }
.footer-bottom {
  text-align: center;
  margin-top: 25px;
  color: #999;
}

/* =====================================================================
   FAQ PAGE
   ===================================================================== */
.search-input {
  width: 100%; padding: 16px;
  border: 2px solid #ddd; border-radius: 50px;
  font-size: 1.05rem;
  padding-left: 45px;
}
.search-input:focus {
  border-color: var(--orange);
  outline: none;
}
.search-icon {
  position: absolute;
  left: 18px; top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
}

.category-btn {
  background: #eee;
  border-radius: 25px;
  padding: 8px 20px;
  cursor: pointer;
  border: none;
  font-weight: 600;
}
.category-btn.active,
.category-btn:hover {
  background: var(--orange);
  color: #fff;
}

.faq-item {
  margin: 16px 0;
  border: 2px solid #ededed;
  border-radius: 12px;
  overflow: hidden;
}
.faq-question {
  background: #fff;
  padding: 18px;
  font-weight: 600;
  width: 100%;
  text-align: left;
  cursor: pointer;
  border: none;
  font-size: 1.03rem;
  display: flex;
  justify-content: space-between;
}
.faq-answer { padding: 20px; background: #fafafa; }

/* =====================================================================
   FLOATING WHATSAPP + MOBILE CALL BAR
   ===================================================================== */
.floating-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 56px; height: 56px;
  background: #25d366;
  color: #fff;
  font-size: 27px;
  border-radius: 50%;
  display: flex; justify-content: center; align-items: center;
  box-shadow: 0 4px 10px rgba(0,0,0,.25);
  text-decoration: none;
  z-index: 999;
}

.mobile-call-bar { display: none; }
@media(max-width:768px){
  .mobile-call-bar {
    display: flex;
    position: fixed;
    bottom: 0; left: 0;
    width: 100%;
    justify-content: space-evenly;
    padding: 12px 0;
    background: var(--blue);
    z-index: 800;
  }
  .mobile-call-bar a {
    color: #fff;
    font-weight: 700;
    width: 50%;
    text-align: center;
  }
}

/* =====================================================================
   SLIDERS
   ===================================================================== */
.auto-slider > * { display: none; opacity: 0; transition: .5s; }
.auto-slider > *.active { display: block; opacity: 1; }

/* =====================================================================
   ANIMATIONS
   ===================================================================== */
.fade-in { opacity: 0; transform: translateY(30px); transition: .7s; }
.fade-in.show { opacity: 1; transform: translateY(0); }