/* ShreeYansh Globala - Modern Corporate Website */
:root {
  --primary: #0a4d8c;
  --primary-dark: #063566;
  --primary-light: #1a6bb5;
  --accent: #00a8e8;
  --accent-soft: #e8f4fc;
  --text: #1a1a2e;
  --text-muted: #5a6a7a;
  --bg: #f8fafc;
  --white: #ffffff;
  --shadow: 0 10px 40px rgba(10, 77, 140, 0.12);
  --shadow-hover: 0 20px 50px rgba(10, 77, 140, 0.2);
  --radius: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary-dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); margin-bottom: 1rem; }
h3 { font-size: 1.35rem; }

p { color: var(--text-muted); margin-bottom: 1rem; }

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

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

/* Header & Nav */
header {
  background: var(--white);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.8rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.logo span {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1.1rem;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 0.5rem;
}

nav a {
  padding: 0.6rem 1.1rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-muted);
}

nav a:hover,
nav a.active {
  background: var(--accent-soft);
  color: var(--primary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--accent) 100%);
  color: white;
  padding: 5rem 1.5rem 6rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero h1 {
  color: white;
  margin-bottom: 1.2rem;
  text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.hero p {
  color: rgba(255,255,255,0.9);
  font-size: 1.15rem;
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.9rem 1.8rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: white;
  color: var(--primary);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.6);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: white;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-card {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 20px 50px rgba(0,0,0,0.2);
  max-width: 340px;
}

.hero-card img {
  border-radius: 12px;
  width: 100%;
}

/* Sections */
section {
  padding: 4.5rem 1.5rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.section-header p {
  font-size: 1.1rem;
}

.badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  margin-bottom: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Features / About cards */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.8rem;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid rgba(10,77,140,0.06);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  margin-bottom: 1.2rem;
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.8rem;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid rgba(10,77,140,0.05);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.product-img {
  height: 200px;
  background: #f0f4f8;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.product-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 1rem;
  transition: var(--transition);
}

.product-card:hover .product-img img {
  transform: scale(1.05);
}

.product-info {
  padding: 1.3rem 1.4rem 1.5rem;
}

.product-info h3 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
  color: var(--primary-dark);
}

.product-info p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.category-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
  margin-bottom: 0.6rem;
}

/* Category filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.55rem 1.3rem;
  border-radius: 50px;
  border: 2px solid #d0dce8;
  background: white;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* Lists / Spares */
.spares-section {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.spares-section h3 {
  color: var(--primary);
  border-bottom: 3px solid var(--accent);
  padding-bottom: 0.6rem;
  margin-bottom: 1.2rem;
  display: inline-block;
}

.spares-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.6rem 1.5rem;
  list-style: none;
}

.spares-list li {
  padding: 0.5rem 0;
  border-bottom: 1px dashed #e0e8f0;
  color: var(--text);
  font-size: 0.95rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.spares-list li::before {
  content: '▸';
  color: var(--accent);
  font-weight: bold;
  flex-shrink: 0;
}

/* Pricing / Sets */
.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.price-card {
  background: linear-gradient(145deg, #fff, #f0f7fc);
  border: 1px solid #d0e4f5;
  border-radius: var(--radius);
  padding: 1.6rem;
  transition: var(--transition);
}

.price-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.price-card h4 {
  color: var(--primary);
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
}

.price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-dark);
  margin: 0.8rem 0;
}

.price span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.contact-info {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2.2rem;
  box-shadow: var(--shadow);
}

.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-soft);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  color: var(--primary);
}

.contact-item h4 {
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.contact-item p {
  margin: 0;
  font-size: 0.95rem;
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2.2rem;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid #e0e8f0;
  border-radius: 10px;
  font-size: 1rem;
  transition: var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0,168,232,0.15);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* Footer */
footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.85);
  padding: 3.5rem 1.5rem 1.5rem;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand h3 {
  color: white;
  margin-bottom: 0.8rem;
}

.footer-brand p {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
}

.footer-col h4 {
  color: white;
  font-size: 1rem;
  margin-bottom: 1rem;
  position: relative;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
}

.footer-col a:hover {
  color: white;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.15);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
}

/* Page specific */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: white;
  padding: 3.5rem 1.5rem;
  text-align: center;
}

.page-hero h1 {
  color: white;
  margin-bottom: 0.6rem;
}

.page-hero p {
  color: rgba(255,255,255,0.85);
  max-width: 600px;
  margin: 0 auto;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: -3rem;
  position: relative;
  z-index: 2;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
}

.stat-card .number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
}

.stat-card .label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-visual { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 1rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  }
  nav ul.open { display: flex; }
  .menu-toggle { display: block; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
}

/* Utility */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }

/* Smooth reveal */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}