/*
 * Sai Srinivasa Facility Management Solutions
 * Premium Corporate Styling System
 */

:root {
  --primary: #0b1f3a;        /* Deep Navy */
  --primary-light: #163259;  /* Medium Navy */
  --secondary: #1a56db;      /* Professional Blue */
  --accent: #d97706;         /* Industrial Amber / Safety Gold */
  --accent-hover: #b45309;
  --dark: #0f172a;
  --gray-900: #1e293b;
  --gray-700: #334155;
  --gray-500: #64748b;
  --gray-300: #cbd5e1;
  --gray-100: #f1f5f9;
  --gray-50: #f8fafc;
  --white: #ffffff;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--white);
  color: var(--gray-700);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Typography Scaffolding */
h1, h2, h3, h4, h5, h6 {
  color: var(--primary);
  font-weight: 700;
  line-height: 1.25;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3.5rem;
}

.section-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.075em;
  color: var(--secondary);
  background-color: #eff6ff;
  border: 1px solid #dbeafe;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-500);
}

.section-padding {
  padding: 5.5rem 0;
}

.bg-light {
  background-color: var(--gray-50);
}

.bg-dark {
  background-color: var(--primary);
  color: var(--white);
}

.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 {
  color: var(--white);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--secondary);
  color: var(--white);
}

.btn-primary:hover {
  background-color: #1442a6;
  color: var(--white);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-accent {
  background-color: var(--accent);
  color: var(--white);
}

.btn-accent:hover {
  background-color: var(--accent-hover);
  color: var(--white);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-outline {
  border-color: var(--white);
  color: var(--white);
  background: transparent;
}

.btn-outline:hover {
  background-color: var(--white);
  color: var(--primary);
}

/* Header & Sticky Nav */
.header-top {
  background-color: var(--dark);
  color: var(--gray-300);
  font-size: 0.825rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-top-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-top-info {
  display: flex;
  gap: 1.5rem;
}

.header-top-info a {
  color: var(--gray-300);
}

.header-top-info a:hover {
  color: var(--white);
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--primary);
}

.nav-brand img {
  height: 48px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-700);
}

.nav-link:hover {
  color: var(--secondary);
}

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

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  padding: 6.5rem 0 7rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 2.85rem;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  color: var(--white);
}

.hero-highlight {
  display: inline-block;
  color: #fbbf24;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}

.hero-description {
  font-size: 1.05rem;
  color: #e2e8f0;
  margin-bottom: 2rem;
  white-space: pre-line;
}

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

.hero-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  padding: 2rem;
  border-radius: var(--radius-lg);
}

.hero-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.hero-stat-box {
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  text-align: center;
}

.hero-stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fbbf24;
  margin-bottom: 0.25rem;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--gray-300);
}

/* Service Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--secondary);
}

.service-icon {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background-color: #eff6ff;
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
}

.service-title {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--gray-500);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.service-list {
  margin-bottom: 1.25rem;
  border-top: 1px solid var(--gray-100);
  padding-top: 1rem;
}

.service-list li {
  font-size: 0.85rem;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.service-list li i {
  color: var(--success);
  font-size: 0.75rem;
}

.service-suitable {
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  font-size: 0.785rem;
  color: var(--gray-700);
}

/* Feature 31 Inclusions Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.feature-box {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.feature-box:hover {
  border-color: var(--secondary);
  transform: translateY(-2px);
}

.feature-number {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--secondary);
  background: #eff6ff;
  border-radius: var(--radius-full);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-text {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--dark);
}

/* Timeline Process */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  position: relative;
}

.process-card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.process-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: #dbeafe;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.process-card h4 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.process-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
}

/* Gallery & Testimonials */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/3;
  background-color: var(--gray-100);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: var(--white);
  font-size: 0.9rem;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.testimonial-rating {
  color: #f59e0b;
  margin-bottom: 1rem;
}

.testimonial-text {
  font-style: italic;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  color: var(--gray-700);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-meta h5 {
  font-size: 0.95rem;
}

.testimonial-meta span {
  font-size: 0.8rem;
  color: var(--gray-500);
}

/* Accordion FAQs */
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  background: var(--white);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-answer {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.95rem;
  color: var(--gray-700);
  display: none;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

/* Contact & Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3rem;
  align-items: flex-start;
}

.contact-info-card {
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.contact-info-card h3 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

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

.contact-item i {
  color: #fbbf24;
  font-size: 1.25rem;
  margin-top: 0.25rem;
}

.contact-item h5 {
  color: var(--white);
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
}

.contact-item p, .contact-item a {
  color: #cbd5e1;
  font-size: 0.9rem;
}

.form-card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  font-size: 0.95rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  background-color: var(--white);
  color: var(--gray-900);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15);
}

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

.form-alert {
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  display: none;
  font-size: 0.9rem;
}

.form-alert.success {
  display: block;
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.form-alert.error {
  display: block;
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* Floating Emergency Action Buttons */
.floating-actions {
  position: fixed;
  bottom: 25px;
  right: 25px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.fab-btn {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.4rem;
  box-shadow: var(--shadow-xl);
  transition: var(--transition);
}

.fab-whatsapp {
  background-color: #25d366;
}

.fab-call {
  background-color: var(--secondary);
}

.fab-btn:hover {
  transform: scale(1.1);
  color: var(--white);
}

/* Footer */
.site-footer {
  background-color: var(--dark);
  color: #94a3b8;
  padding: 4.5rem 0 1.5rem;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}

.footer-col p {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: #94a3b8;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.footer-social a:hover {
  background: var(--secondary);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .hero-grid, .contact-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--white);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    box-shadow: var(--shadow-lg);
    transition: left 0.3s ease;
  }
  .nav-menu.active {
    left: 0;
  }
  .nav-toggle {
    display: block;
  }
  .header-top {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero-content h1 {
    font-size: 2rem;
  }
  .section-title {
    font-size: 1.8rem;
  }
  .hero-stat-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}