/* ============================================
   Venkat Sai Sanitation Services
   Modern Design System & Styles
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Primary palette – clean ocean blues */
  --primary-900: #0c1d3a;
  --primary-800: #0f2a52;
  --primary-700: #133d6b;
  --primary-600: #1a5276;
  --primary-500: #2176ae;
  --primary-400: #3498db;
  --primary-300: #5dade2;
  --primary-200: #aed6f1;
  --primary-100: #d6eaf8;
  --primary-50:  #eaf2f8;

  /* Accent – vivid teal / green */
  --accent-600: #0e8c6e;
  --accent-500: #10b981;
  --accent-400: #34d399;
  --accent-300: #6ee7b7;
  --accent-200: #a7f3d0;

  /* Warm accent – orange for CTAs */
  --cta-500: #f59e0b;
  --cta-400: #fbbf24;
  --cta-300: #fcd34d;

  /* Neutrals */
  --gray-950: #0a0e17;
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50:  #f9fafb;
  --white:    #ffffff;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #0c1d3a 0%, #133d6b 40%, #2176ae 100%);
  --gradient-accent: linear-gradient(135deg, #10b981 0%, #2176ae 100%);
  --gradient-dark: linear-gradient(180deg, #0a0e17 0%, #111827 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 100%);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.18);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.25);
  --shadow-glow: 0 0 30px rgba(33,118,174,0.3);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-py: clamp(4rem, 8vw, 7rem);
  --container-px: clamp(1rem, 4vw, 3rem);
  --container-max: 1200px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-base: 0.35s var(--ease-out);
  --transition-slow: 0.6s var(--ease-out);
}

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

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

body {
  font-family: var(--font-body);
  background: var(--gray-950);
  color: var(--gray-300);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

/* --- Utility --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

.section-padding {
  padding: var(--section-py) 0;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  clip: rect(0,0,0,0); overflow: hidden;
}

/* Scroll reveal animation class */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* --- Section Title --- */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-400);
  margin-bottom: 0.75rem;
  position: relative;
}

.section-label::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--gradient-accent);
  margin: 0.5rem auto 0;
  border-radius: var(--radius-full);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
}

.section-subtitle {
  margin-top: 1rem;
  font-size: 1.05rem;
  color: var(--gray-400);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  transition: background var(--transition-base), padding var(--transition-base),
              box-shadow var(--transition-base);
}

.navbar.scrolled {
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 0.6rem 0;
  box-shadow: 0 2px 30px rgba(0,0,0,0.3);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-logo-icon {
  width: 42px;
  height: 42px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--white);
  font-weight: 800;
  box-shadow: 0 0 20px rgba(16,185,129,0.3);
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--white);
}

.nav-logo-text span {
  color: var(--accent-400);
}

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-300);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-400);
  transition: width var(--transition-base);
  border-radius: var(--radius-full);
}

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

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  background: var(--gradient-accent) !important;
  color: var(--white) !important;
  padding: 0.55rem 1.3rem;
  border-radius: var(--radius-full);
  font-weight: 600 !important;
  font-size: 0.85rem !important;
  box-shadow: 0 0 20px rgba(16,185,129,0.25);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast) !important;
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 25px rgba(16,185,129,0.4) !important;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 1100;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

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

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
}

/* Animated floating circles */
.hero-shapes {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-shapes .shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.06;
  animation: float 20s ease-in-out infinite;
}

.hero-shapes .shape-1 {
  width: 600px; height: 600px;
  background: var(--accent-400);
  top: -200px; right: -200px;
  animation-delay: 0s;
}
.hero-shapes .shape-2 {
  width: 400px; height: 400px;
  background: var(--primary-400);
  bottom: -100px; left: -100px;
  animation-delay: -7s;
}
.hero-shapes .shape-3 {
  width: 250px; height: 250px;
  background: var(--cta-400);
  top: 40%; left: 50%;
  animation-delay: -14s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 750px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16,185,129,0.12);
  border: 1px solid rgba(16,185,129,0.25);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-300);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(6px);
}

.hero-badge .badge-dot {
  width: 8px; height: 8px;
  background: var(--accent-400);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.hero h1 .highlight {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--gray-300);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:hover {
  transform: translateY(-3px);
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--white);
  box-shadow: 0 4px 25px rgba(16,185,129,0.35);
}

.btn-primary:hover {
  box-shadow: 0 8px 35px rgba(16,185,129,0.5);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.2);
}

.btn-outline:hover {
  border-color: var(--accent-400);
  box-shadow: 0 0 20px rgba(16,185,129,0.15);
}

/* Hero stats */
.hero-stats {
  display: flex;
  gap: 2.5rem;
}

.hero-stat {
  text-align: left;
}

.hero-stat .stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
}

.hero-stat .stat-number span {
  color: var(--accent-400);
}

.hero-stat .stat-label {
  font-size: 0.8rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray-400);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: bounce-scroll 2s ease-in-out infinite;
}

.hero-scroll .scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(180deg, var(--accent-400) 0%, transparent 100%);
}

@keyframes bounce-scroll {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   ABOUT
   ============================================ */
.about {
  background: var(--gradient-dark);
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-600), transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-image {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.about-image-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 180px;
  height: 180px;
  border-radius: var(--radius-lg);
  background: var(--gradient-accent);
  opacity: 0.15;
  z-index: -1;
}

.about-content h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.about-content p {
  color: var(--gray-400);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.about-feature:hover {
  border-color: var(--accent-500);
  background: rgba(16,185,129,0.05);
}

.about-feature .feature-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
}

.about-feature .feature-text {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-200);
}

/* ============================================
   SERVICES
   ============================================ */
.services {
  background: var(--gray-950);
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--gradient-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  transition: transform var(--transition-base), border-color var(--transition-base),
              box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(16,185,129,0.2);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(16,185,129,0.08);
}

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

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(16,185,129,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
  transition: background var(--transition-base);
}

.service-card:hover .service-icon {
  background: rgba(16,185,129,0.18);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ============================================
   EQUIPMENT
   ============================================ */
.equipment {
  background: var(--gradient-dark);
  position: relative;
}

.equipment::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-600), transparent);
}

.equipment-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.equip-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.75rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base),
              transform var(--transition-base);
}

.equip-card:hover {
  border-color: rgba(33,118,174,0.3);
  box-shadow: 0 0 30px rgba(33,118,174,0.08);
  transform: translateY(-3px);
}

.equip-icon {
  width: 50px;
  height: 50px;
  min-width: 50px;
  background: rgba(33,118,174,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.equip-info h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.4rem;
}

.equip-info p {
  font-size: 0.88rem;
  color: var(--gray-400);
  line-height: 1.65;
}

/* ============================================
   WHY CHOOSE US (TRUST)
   ============================================ */
.trust {
  background: var(--gray-950);
  position: relative;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.trust-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.trust-card:hover {
  transform: translateY(-5px);
  border-color: rgba(16,185,129,0.2);
}

.trust-icon {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.trust-card h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.trust-card p {
  font-size: 0.85rem;
  color: var(--gray-400);
  line-height: 1.6;
}

/* ============================================
   CONTACT / CTA
   ============================================ */
.contact {
  background: var(--gradient-dark);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-500), transparent);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.contact-info h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.contact-info h2 .highlight {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-info > p {
  color: var(--gray-400);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
  cursor: pointer;
}

.contact-method:hover {
  border-color: var(--accent-400);
  transform: translateX(6px);
}

.contact-method .method-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: rgba(16,185,129,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.contact-method .method-label {
  font-size: 0.75rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.contact-method .method-value {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
}

/* Contact form card */
.contact-form-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  backdrop-filter: blur(10px);
}

.contact-form-card h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 1.5rem;
}

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

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-400);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-600);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-400);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.btn-submit {
  width: 100%;
  padding: 0.9rem;
  justify-content: center;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--gray-950);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 3rem 0 1.5rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand {
  max-width: 320px;
}

.footer-brand .nav-logo {
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.7;
}

.footer-links-group h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--white);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links-group a {
  display: block;
  font-size: 0.88rem;
  color: var(--gray-500);
  padding: 0.3rem 0;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-links-group a:hover {
  color: var(--accent-400);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--gray-600);
}

.footer-bottom .footer-socials {
  display: flex;
  gap: 0.75rem;
}

.footer-socials a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--gray-400);
  transition: border-color var(--transition-fast), color var(--transition-fast),
              background var(--transition-fast);
}

.footer-socials a:hover {
  border-color: var(--accent-400);
  color: var(--accent-400);
  background: rgba(16,185,129,0.08);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact-wrapper { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10,14,23,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    transition: right var(--transition-base);
    box-shadow: -10px 0 40px rgba(0,0,0,0.3);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .hero h1 { font-size: clamp(2rem, 8vw, 3rem); }
  .hero-stats { gap: 1.5rem; }
  .hero-stat .stat-number { font-size: 1.5rem; }

  .services-grid { grid-template-columns: 1fr; }
  .equipment-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }

  .about-features { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-stats { flex-direction: column; gap: 1rem; }
}

/* ============================================
   ANIMATIONS & EXTRAS
   ============================================ */

/* Counter animation placeholder */
.count-up {
  display: inline-block;
}

/* Particle-like dots in background */
.bg-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 30px 30px;
  z-index: 0;
  pointer-events: none;
}

/* Glow orb - decorative */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.08;
  pointer-events: none;
}

.glow-orb-1 {
  width: 400px; height: 400px;
  background: var(--accent-400);
  top: 20%; right: -100px;
}

.glow-orb-2 {
  width: 300px; height: 300px;
  background: var(--primary-400);
  bottom: 10%; left: -50px;
}