/* ============================================================
   DASS Bindra Consulting — Stylesheet
   ============================================================ */

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

:root {
  --primary:      #1a56db;
  --primary-dark: #1341b0;
  --primary-light:#eff6ff;
  --accent:       #0ea5e9;
  --dark:         #0f172a;
  --dark-2:       #1e293b;
  --gray:         #64748b;
  --gray-light:   #f1f5f9;
  --white:        #ffffff;
  --border:       #e2e8f0;
  --success:      #22c55e;
  --gradient:     linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  --shadow-sm:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:    0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:    0 10px 40px rgba(0,0,0,.14);
  --radius:       12px;
  --radius-lg:    20px;
  --transition:   .25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Typography ---------- */
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; line-height: 1.15; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 700; line-height: 1.25; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(26,86,219,.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(26,86,219,.45);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--white);
}

.btn-full { width: 100%; justify-content: center; }

/* ---------- Section Shared ---------- */
section { padding: 96px 0; }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section-eyebrow {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}

.section-sub {
  color: var(--gray);
  margin-top: 14px;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ---------- Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease, transform .5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition);
}

#navbar.scrolled {
  background: rgba(15,23,42,.96);
  backdrop-filter: blur(12px);
  padding: 12px 0;
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
}
.logo-img {
  height: 44px;
  width: auto;
  display: block;
}
.logo-img-footer {
  height: 40px;
  width: auto;
  display: block;
  opacity: 0.85;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: rgba(255,255,255,.8);
  font-size: .9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--white); }

.nav-cta {
  background: var(--gradient) !important;
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: 8px;
  font-weight: 600 !important;
  box-shadow: 0 4px 12px rgba(26,86,219,.4);
}
.nav-cta:hover { transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  background: var(--dark);
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .25;
}
.shape-1 {
  width: 600px; height: 600px;
  background: var(--primary);
  top: -200px; right: -150px;
}
.shape-2 {
  width: 400px; height: 400px;
  background: var(--accent);
  bottom: -100px; left: -100px;
}
.shape-3 {
  width: 300px; height: 300px;
  background: #7c3aed;
  top: 40%; left: 40%;
}

.hero-content {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(26,86,219,.2);
  border: 1px solid rgba(26,86,219,.4);
  color: #93c5fd;
  font-size: .85rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero h1 { color: var(--white); margin-bottom: 22px; }

.hero-sub {
  color: rgba(255,255,255,.7);
  font-size: 1.15rem;
  line-height: 1.75;
  max-width: 600px;
  margin: 0 auto 36px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}
.stat-label {
  font-size: .8rem;
  color: rgba(255,255,255,.5);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,.15);
}

/* ============================================================
   SERVICES
   ============================================================ */
.services { background: var(--gray-light); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before { transform: scaleX(1); }

.service-card.featured {
  border-color: var(--primary);
  background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 100%);
}
.service-card.featured::before { transform: scaleX(1); }

.service-badge {
  position: absolute;
  top: 20px; right: 20px;
  background: var(--gradient);
  color: var(--white);
  font-size: .7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.service-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 20px;
  transition: all var(--transition);
}

.service-card:hover .service-icon,
.service-card.featured .service-icon {
  background: var(--gradient);
  color: var(--white);
}

.service-card h3 { margin-bottom: 12px; }

.service-card p {
  color: var(--gray);
  font-size: .95rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.service-card ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-card li {
  font-size: .88rem;
  color: var(--gray);
  padding-left: 18px;
  position: relative;
}

.service-card li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 600;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: var(--white); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual { position: relative; min-height: 360px; }

.about-card-stack { position: relative; height: 360px; }

.about-bg-circle {
  position: absolute;
  width: 320px; height: 320px;
  background: var(--primary-light);
  border-radius: 50%;
  top: 20px; left: 20px;
  z-index: 0;
}

.about-card {
  position: absolute;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-md);
  z-index: 1;
  transition: transform var(--transition);
  min-width: 260px;
}
.about-card:hover { transform: scale(1.03); }

.about-card i {
  font-size: 1.6rem;
  color: var(--primary);
  flex-shrink: 0;
}

.about-card div { display: flex; flex-direction: column; }
.about-card strong { font-size: .95rem; color: var(--dark); }
.about-card span   { font-size: .82rem; color: var(--gray); margin-top: 2px; }

.ac-1 { top: 0;    left: 0; }
.ac-2 { top: 130px; right: 0; }
.ac-3 { top: 260px; left: 30px; }

.about-content p {
  color: var(--gray);
  line-height: 1.75;
  margin-bottom: 18px;
  font-size: 1rem;
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 28px 0 36px;
}

.value-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .95rem;
  color: var(--dark-2);
  font-weight: 500;
}

.value-item i { color: var(--success); font-size: .95rem; }

/* ============================================================
   WHY US
   ============================================================ */
.why-us { background: var(--dark); }

.why-us .section-eyebrow { color: var(--accent); }
.why-us h2 { color: var(--white); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}

.why-item {
  text-align: center;
  padding: 40px 28px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.03);
  transition: all var(--transition);
}

.why-item:hover {
  border-color: rgba(26,86,219,.5);
  background: rgba(26,86,219,.08);
  transform: translateY(-4px);
}

.why-icon {
  width: 64px; height: 64px;
  background: rgba(26,86,219,.15);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent);
  margin: 0 auto 20px;
}

.why-item h4 { color: var(--white); margin-bottom: 12px; }
.why-item p  { color: rgba(255,255,255,.55); font-size: .92rem; line-height: 1.65; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: var(--gray-light); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.contact-icon {
  width: 48px; height: 48px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--primary);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.contact-item strong {
  display: block;
  font-size: .9rem;
  color: var(--gray);
  font-weight: 500;
  margin-bottom: 3px;
}

.contact-item a, .contact-item span {
  font-size: 1rem;
  color: var(--dark);
  font-weight: 600;
}

.contact-item a:hover { color: var(--primary); }

/* ---- Form ---- */
.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: .875rem;
  font-weight: 600;
  color: var(--dark-2);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: .95rem;
  font-family: inherit;
  color: var(--dark);
  background: var(--white);
  transition: border-color var(--transition), box-shadow 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(26,86,219,.12);
}

.form-group textarea { resize: vertical; min-height: 110px; }

.form-note {
  text-align: center;
  font-size: .8rem;
  color: var(--gray);
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--dark);
  padding: 64px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand .nav-logo { margin-bottom: 14px; }
.footer-brand p {
  color: rgba(255,255,255,.45);
  font-size: .9rem;
  line-height: 1.65;
  max-width: 220px;
}

.footer-links, .footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links strong,
.footer-contact strong {
  color: var(--white);
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 4px;
}

.footer-links a,
.footer-contact a,
.footer-contact span {
  color: rgba(255,255,255,.5);
  font-size: .9rem;
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-links a:hover,
.footer-contact a:hover { color: var(--accent); }

.footer-bottom {
  padding: 20px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: .82rem;
  color: rgba(255,255,255,.3);
}

.footer-bottom a {
  color: rgba(255,255,255,.5);
  transition: color var(--transition);
}
.footer-bottom a:hover { color: var(--accent); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .about-grid      { grid-template-columns: 1fr; }
  .about-visual    { display: none; }
  .contact-grid    { grid-template-columns: 1fr; }
  .footer-inner    { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  section          { padding: 72px 0; }
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(15,23,42,.97);
    backdrop-filter: blur(16px);
    padding: 24px;
    gap: 20px;
    border-top: 1px solid rgba(255,255,255,.08);
  }
  .nav-links.open  { display: flex; }
  .hamburger       { display: flex; }
  .form-row        { grid-template-columns: 1fr; }
  .footer-inner    { grid-template-columns: 1fr; }
  .hero-stats      { gap: 24px; }
  .stat-divider    { display: none; }
}

@media (max-width: 480px) {
  .contact-form    { padding: 24px 20px; }
  .hero-buttons    { flex-direction: column; align-items: center; }
}