/* ==========================================================================
   Nick Manesh Engineering - Main Stylesheet
   Brand Colors:
   - Primary Orange: #E57F26
   - Accent Teal: #2F8E8C
   - Neutral Dark Gray: #333333
   - Background Light Gray: #F5F5F5
   Fonts: Montserrat (headings), Roboto (body)
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Brand Colors */
  --color-primary: #E57F26;
  --color-primary-dark: #c96a1a;
  --color-accent: #2F8E8C;
  --color-accent-dark: #256f6d;
  --color-dark: #333333;
  --color-light: #F5F5F5;
  --color-white: #ffffff;
  --color-gray-100: #f8f9fa;
  --color-gray-200: #e9ecef;
  --color-gray-300: #dee2e6;
  --color-gray-400: #ced4da;
  --color-gray-500: #adb5bd;
  --color-gray-600: #6c757d;
  --color-gray-700: #495057;
  --color-gray-800: #343a40;
  --color-gray-900: #212529;
  
  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Roboto', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --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);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Custom Scrollbar - Micro Detail #4 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-light);
}

::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-dark);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) var(--color-light);
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-gray-700);
}

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

a:hover {
  color: var(--color-accent-dark);
}

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

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section--light {
  background-color: var(--color-light);
}

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

.section--dark h2,
.section--dark h3 {
  color: var(--color-white);
}

.section--dark p {
  color: var(--color-gray-300);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   Buttons with Micro-interactions
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

/* Primary CTA Button - Orange with ripple effect (Micro Detail #6) */
.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
  color: var(--color-white);
}

.btn--primary:active {
  transform: scale(0.98);
}

/* Ripple effect container */
.btn--primary::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(255,255,255,0.3) 10%, transparent 10.01%);
  background-repeat: no-repeat;
  background-position: 50%;
  transform: scale(10, 10);
  opacity: 0;
  transition: transform 0.5s, opacity 1s;
}

.btn--primary:active::after {
  transform: scale(0, 0);
  opacity: 0.3;
  transition: 0s;
}

/* Secondary Button - Outlined Teal */
.btn--secondary {
  background-color: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn--secondary:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* Text Button */
.btn--text {
  background: transparent;
  color: var(--color-accent);
  padding: var(--spacing-sm) 0;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.btn--text:hover {
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

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

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.header__logo {
  display: flex;
  align-items: center;
}

.header__logo img {
  height: 50px;
  width: auto;
}

/* Mobile logo hidden by default, shown on mobile */
.header__logo--mobile {
  display: none;
}

/* Desktop Navigation */
.nav {
  display: none;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  list-style: none;
}

.nav__link {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-dark);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  position: relative;
  padding: var(--spacing-sm) 0;
}

/* Animated underline - Micro Detail #5 */
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-accent);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: var(--z-modal);
}

.nav-toggle__bar {
  width: 100%;
  height: 3px;
  background-color: var(--color-dark);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  transform-origin: center;
}

/* Hamburger to X animation */
.nav-toggle--active .nav-toggle__bar:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}

.nav-toggle--active .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle--active .nav-toggle__bar:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* Mobile Navigation Overlay */
.nav-mobile {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background-color: var(--color-white);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal-backdrop);
  transition: right var(--transition-slow);
  padding: calc(70px + var(--spacing-xl)) var(--spacing-xl) var(--spacing-xl);
  overflow-y: auto;
}

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

.nav-mobile__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.nav-mobile__link {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-dark);
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-gray-200);
  transition: all var(--transition-fast);
}

.nav-mobile__link:hover,
.nav-mobile__link--active {
  color: var(--color-accent);
  padding-left: var(--spacing-lg);
}

.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop - 1);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.nav-overlay--visible {
  opacity: 1;
  visibility: visible;
}

/* Responsive Navigation */
@media (min-width: 992px) {
  .nav {
    display: block;
  }
  
  .nav-toggle {
    display: none;
  }
  
  .header__logo--mobile {
    display: none;
  }
}

@media (max-width: 991px) {
  .header__logo--desktop {
    display: none;
  }
  
  .header__logo--mobile {
    display: block;
  }
  
  .header__logo--mobile img {
    height: 40px;
  }
}

/* --------------------------------------------------------------------------
   Hero Section with Parallax (Micro Detail #3 - Dust particles)
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 80px;
}

.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.hero__background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
}

/* Dark overlay for text readability */
.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(51, 51, 51, 0.85) 0%,
    rgba(47, 142, 140, 0.6) 100%
  );
  z-index: -1;
}

/* Dust particle animation - Micro Detail #3 */
.hero__particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  animation: float 20s infinite linear;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 25s; }
.particle:nth-child(2) { left: 25%; animation-delay: 2s; animation-duration: 18s; }
.particle:nth-child(3) { left: 40%; animation-delay: 4s; animation-duration: 22s; }
.particle:nth-child(4) { left: 55%; animation-delay: 1s; animation-duration: 20s; }
.particle:nth-child(5) { left: 70%; animation-delay: 3s; animation-duration: 24s; }
.particle:nth-child(6) { left: 85%; animation-delay: 5s; animation-duration: 19s; }
.particle:nth-child(7) { left: 15%; animation-delay: 6s; animation-duration: 23s; }
.particle:nth-child(8) { left: 60%; animation-delay: 7s; animation-duration: 21s; }

@keyframes float {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    transform: translateY(-100vh) rotate(720deg);
    opacity: 0;
  }
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--spacing-xl);
  max-width: 800px;
}

.hero__title {
  color: var(--color-white);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero__subtitle {
  color: var(--color-gray-200);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero__cta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
}

.hero__trust {
  margin-top: var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  color: var(--color-gray-200);
  font-size: 0.9375rem;
}

.hero__trust-icon {
  width: 24px;
  height: 24px;
  fill: var(--color-accent);
}

@media (min-width: 768px) {
  .hero__cta {
    flex-direction: row;
    justify-content: center;
  }
}

/* --------------------------------------------------------------------------
   Services Section with Card Hover Effects (Micro Detail #2)
   -------------------------------------------------------------------------- */
.services {
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-light) 100%);
}

.services__header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Service Card with lift effect */
.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

/* Subtle texture background - Micro Detail #1 */
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23333333' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
  z-index: 0;
}

.service-card > * {
  position: relative;
  z-index: 1;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.service-card__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-light);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.service-card__icon svg {
  width: 40px;
  height: 40px;
  fill: var(--color-dark);
  transition: all var(--transition-normal);
}

/* Icon animation on hover - Micro Detail #2 */
.service-card:hover .service-card__icon {
  background-color: var(--color-accent);
  animation: bounce 0.5s ease;
}

.service-card:hover .service-card__icon svg {
  fill: var(--color-white);
}

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

.service-card__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-dark);
}

.service-card__description {
  font-size: 0.9375rem;
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-lg);
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about {
  position: relative;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

@media (min-width: 768px) {
  .about__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.about__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about__image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about__content h2 {
  color: var(--color-accent);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.stat {
  text-align: center;
  padding: var(--spacing-md);
  background-color: var(--color-light);
  border-radius: var(--radius-md);
}

.stat__number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
}

.stat__label {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --------------------------------------------------------------------------
   Process Section with Scroll Animations (Micro Detail in process)
   -------------------------------------------------------------------------- */
.process {
  background-color: var(--color-light);
  position: relative;
}

.process__header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.process__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  position: relative;
}

@media (min-width: 768px) {
  .process__steps {
    grid-template-columns: repeat(3, 1fr);
  }
  
  /* Connecting line */
  .process__steps::before {
    content: '';
    position: absolute;
    top: 60px;
    left: calc(16.67% + 40px);
    right: calc(16.67% + 40px);
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-primary) 100%);
    z-index: 0;
  }
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.process-step.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.process-step__number {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  background-color: var(--color-white);
  border: 3px solid var(--color-accent);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.process-step__number img {
  width: 50px;
  height: 50px;
  object-fit: contain;
}

.process-step__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.process-step__description {
  font-size: 0.9375rem;
  color: var(--color-gray-600);
  max-width: 300px;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Testimonials Section
   -------------------------------------------------------------------------- */
.testimonials {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.testimonials__header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.testimonials__header h2 {
  color: var(--color-white);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  .testimonials__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .testimonials__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-lg);
  font-size: 4rem;
  font-family: Georgia, serif;
  color: var(--color-accent);
  opacity: 0.5;
  line-height: 1;
}

.testimonial-card__text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-gray-200);
  margin-bottom: var(--spacing-lg);
  padding-top: var(--spacing-lg);
}

.testimonial-card__author {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-white);
}

.testimonial-card__role {
  font-size: 0.875rem;
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Blog Preview Section
   -------------------------------------------------------------------------- */
.blog-preview {
  background-color: var(--color-white);
}

.blog-preview__header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.blog-preview__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  .blog-preview__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.blog-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.blog-card__image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.blog-card__content {
  padding: var(--spacing-lg);
}

.blog-card__title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-dark);
}

.blog-card__excerpt {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-md);
}

.blog-card__link {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-card__link:hover {
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact {
  background-color: var(--color-light);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .contact__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contact__info h2 {
  color: var(--color-accent);
}

.contact__details {
  margin-top: var(--spacing-xl);
}

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.contact__icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-accent);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact__icon svg {
  width: 20px;
  height: 20px;
  fill: var(--color-white);
}

.contact__text h4 {
  margin-bottom: var(--spacing-xs);
  font-size: 1rem;
}

.contact__text p {
  margin-bottom: 0;
  color: var(--color-gray-600);
}

.contact__text a {
  color: var(--color-dark);
}

.contact__text a:hover {
  color: var(--color-accent);
}

/* Contact Form */
.contact-form {
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  background-color: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(47, 142, 140, 0.1);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #dc3545;
}

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

.form-error {
  color: #dc3545;
  font-size: 0.75rem;
  margin-top: var(--spacing-xs);
  display: none;
}

.form-error.visible {
  display: block;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--color-dark);
  color: var(--color-gray-300);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer__logo {
  margin-bottom: var(--spacing-md);
}

.footer__logo img {
  height: 60px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer__about p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-gray-400);
}

.footer__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: var(--spacing-sm);
}

.footer__links a {
  color: var(--color-gray-400);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__social {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.footer__social a {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

.footer__social a:hover {
  background-color: var(--color-accent);
  transform: scale(1.1);
}

.footer__social svg {
  width: 18px;
  height: 18px;
  fill: var(--color-white);
}

.footer__bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer__copyright {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Page Headers (Inner Pages)
   -------------------------------------------------------------------------- */
.page-header {
  background-color: var(--color-dark);
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
  text-align: center;
}

.page-header h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.page-header p {
  color: var(--color-gray-300);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  font-size: 0.875rem;
}

.breadcrumbs a {
  color: var(--color-gray-400);
}

.breadcrumbs a:hover {
  color: var(--color-accent);
}

.breadcrumbs span {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   FAQ Section
   -------------------------------------------------------------------------- */
.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-item__question {
  width: 100%;
  padding: var(--spacing-lg);
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
  text-align: left;
  transition: all var(--transition-fast);
}

.faq-item__question:hover {
  color: var(--color-accent);
}

.faq-item__icon {
  width: 24px;
  height: 24px;
  position: relative;
  flex-shrink: 0;
}

.faq-item__icon::before,
.faq-item__icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-accent);
  transition: transform var(--transition-fast);
}

.faq-item__icon::before {
  width: 100%;
  height: 2px;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

.faq-item__icon::after {
  width: 2px;
  height: 100%;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
}

.faq-item--open .faq-item__icon::after {
  transform: translateX(-50%) rotate(90deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq-item--open .faq-item__answer {
  max-height: 500px;
}

.faq-item__answer-content {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-gray-600);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Accessibility: Reduced Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
  
  .particle {
    animation: none;
  }
  
  .hero__background img {
    will-change: auto;
  }
}

/* --------------------------------------------------------------------------
   Focus Styles for Accessibility
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible) {
  outline: none;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--spacing-md);
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  z-index: var(--z-tooltip);
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--spacing-md);
}

/* --------------------------------------------------------------------------
   Loading State
   -------------------------------------------------------------------------- */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--color-white);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}