/* ============================================================
   ON POINT OTB — MODERN INDUSTRIAL DESIGN SYSTEM
   Professional manufacturing company website
   ============================================================ */

:root {
  /* Primary Colors - Industrial & Professional */
  --color-dark: #1a1a1a;
  --color-dark-gray: #2c2c2c;
  --color-steel: #3a3a3a;
  --color-text: #2c2c2c;
  --color-text-light: #666;
  --color-text-lighter: #999;
  
  /* Accent - Engineering precision */
  --color-accent: #0066cc;
  --color-accent-dark: #004499;
  --color-accent-light: #1a75ff;
  
  /* Backgrounds */
  --color-bg-light: #f9f9f9;
  --color-bg-white: #ffffff;
  --color-bg-dark: #0f0f0f;
  
  /* Technical elements */
  --color-border: #e0e0e0;
  --color-border-dark: #404040;
  --color-overlay: rgba(0, 0, 0, 0.7);
  
  /* Typography */
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --fs-xs: 12px;
  --fs-sm: 14px;
  --fs-base: 16px;
  --fs-lg: 18px;
  --fs-xl: 20px;
  --fs-2xl: 24px;
  --fs-3xl: 32px;
  --fs-4xl: 48px;
  --fs-5xl: 64px;
  --fs-6xl: 80px;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  
  /* Border radius */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  
  /* Transitions */
  --trans-fast: 150ms;
  --trans-base: 300ms;
  --trans-slow: 500ms;
  --ease-out: cubic-bezier(0.23, 1, 0.320, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-tooltip: 400;
}

/* ============================================================
   GLOBAL STYLES
   ============================================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

h1 {
  font-size: var(--fs-5xl);
  letter-spacing: -1px;
}

h2 {
  font-size: var(--fs-4xl);
  letter-spacing: -0.5px;
}

h3 {
  font-size: var(--fs-3xl);
}

h4 {
  font-size: var(--fs-2xl);
}

p {
  margin-bottom: var(--space-lg);
  color: var(--color-text-light);
  line-height: 1.8;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--trans-base) var(--ease-in-out);
}

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

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Utility Classes */
.section-label {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  display: block;
}

.section-number {
  font-size: var(--fs-6xl);
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.15;
  line-height: 1;
  position: absolute;
  z-index: -1;
}

/* ============================================================
   SCROLL ANIMATION SYSTEM
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(40px);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--trans-base) var(--ease-out),
              transform var(--trans-base) var(--ease-out);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
  transition: opacity var(--trans-base) var(--ease-out),
              transform var(--trans-base) var(--ease-out);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
  transition: opacity var(--trans-base) var(--ease-out),
              transform var(--trans-base) var(--ease-out);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
  transition: opacity var(--trans-base) var(--ease-out),
              transform var(--trans-base) var(--ease-out);
}

/* Stagger animation */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
}

.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--trans-base) var(--ease-out),
              transform var(--trans-base) var(--ease-out);
}

.reveal-stagger.visible > :nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.visible > :nth-child(2) { transition-delay: 100ms; }
.reveal-stagger.visible > :nth-child(3) { transition-delay: 200ms; }
.reveal-stagger.visible > :nth-child(4) { transition-delay: 300ms; }
.reveal-stagger.visible > :nth-child(5) { transition-delay: 400ms; }

/* ============================================================
   BUTTONS & INTERACTIONS
   ============================================================ */

.button {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  font-size: var(--fs-base);
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  background-color: var(--color-accent);
  color: var(--color-bg-white);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--trans-base) var(--ease-in-out);
  position: relative;
  overflow: hidden;
}

.button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: var(--color-accent-dark);
  z-index: -1;
  transition: left var(--trans-base) var(--ease-in-out);
}

.button:hover::before {
  left: 0;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 102, 204, 0.3);
}

.button:active {
  transform: translateY(0);
}

.button-secondary {
  background-color: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.button-secondary::before {
  background-color: transparent;
}

.button-secondary:hover {
  background-color: var(--color-accent);
  color: var(--color-bg-white);
}

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

.button-dark::before {
  background-color: var(--color-dark-gray);
}

.button-dark:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* ============================================================
   NAVIGATION
   ============================================================ */

.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--trans-base) var(--ease-in-out);
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.95);
}

.navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.05);
}

.navbar-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-xl);
}

.logo {
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.5px;
  text-transform: uppercase;
  flex-shrink: 0;
  transition: color var(--trans-base) var(--ease-in-out);
}

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

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-xl);
  flex: 1;
  justify-content: center;
}

.nav-item a {
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--color-text-light);
  position: relative;
  transition: color var(--trans-base) var(--ease-in-out);
}

.nav-item a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--trans-base) var(--ease-in-out);
}

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

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

.nav-item a.active {
  color: var(--color-accent);
}

.nav-item a.active::after {
  width: 100%;
}

.nav-cta {
  flex-shrink: 0;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: var(--space-sm);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.hamburger span {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--trans-base) var(--ease-in-out);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-bg-white);
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--trans-base) var(--ease-in-out);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-menu.active {
    max-height: 500px;
  }

  .nav-item {
    border-bottom: 1px solid var(--color-border);
  }

  .nav-item a {
    display: block;
    padding: var(--space-lg);
  }

  .nav-item a::after {
    display: none;
  }

  .nav-cta {
    position: absolute;
    right: var(--space-lg);
    top: 50%;
    transform: translateY(-50%);
  }
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-gray) 100%);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  text-align: center;
  color: var(--color-bg-white);
  padding: var(--space-3xl) var(--space-lg);
}

.hero-label {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-xl);
  display: block;
  animation: fadeInDown 0.8s ease-out;
}

.hero h1 {
  font-size: clamp(var(--fs-4xl), 8vw, var(--fs-6xl));
  color: var(--color-bg-white);
  margin-bottom: var(--space-lg);
  letter-spacing: -1.5px;
  line-height: 1.1;
  animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-description {
  font-size: var(--fs-xl);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-3xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 300;
  line-height: 1.6;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-ctas {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero .button {
  font-size: var(--fs-sm);
  padding: var(--space-md) var(--space-2xl);
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   SECTION STRUCTURE
   ============================================================ */

section {
  position: relative;
  padding: var(--space-4xl) 0;
}

section:nth-child(even) {
  background-color: var(--color-bg-light);
}

.section-header {
  max-width: 800px;
  margin: 0 auto var(--space-3xl);
  text-align: center;
}

.section-header h2 {
  margin-bottom: var(--space-lg);
}

.section-header p {
  font-size: var(--fs-lg);
  color: var(--color-text-light);
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */

.services {
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-2xl);
  position: relative;
  z-index: 1;
}

/* Tablet: 3 columns for better spacing */
@media (max-width: 1200px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Small tablet: 2 columns */
@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
}

/* Mobile: 1 column */
@media (max-width: 480px) {
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

.service-card {
  position: relative;
  padding: var(--space-2xl);
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--trans-base) var(--ease-in-out));
  overflow: hidden;
  cursor: pointer;
}

.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 24px rgba(0, 102, 204, 0.15);
  transform: translateY(-4px);
}

.service-card::before {
  content: attr(data-number);
  position: absolute;
  top: -20px;
  right: -20px;
  font-size: var(--fs-6xl);
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.08;
  line-height: 1;
  pointer-events: none;
}

.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 12px 40px rgba(0, 102, 204, 0.12);
  transform: translateY(-6px);
}

.service-number {
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  font-family: 'Courier New', monospace;
  letter-spacing: 2px;
}

.service-card h3 {
  margin-bottom: var(--space-md);
  font-size: var(--fs-2xl);
}

.service-card p {
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--color-text-light);
}

.service-accent {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background-color: var(--color-accent);
  transition: width var(--trans-base) var(--ease-in-out);
}

.service-card:hover .service-accent {
  width: 100%;
}

/* ============================================================
   WORK / GALLERY SECTION
   ============================================================ */

.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
  grid-auto-rows: 300px;
}

.work-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-color: var(--color-dark);
  cursor: pointer;
  group: "work";
}

.work-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--trans-slow) var(--ease-in-out));
}

.work-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: opacity var(--trans-base) var(--ease-in-out));
  z-index: 2;
}

.work-item:hover img {
  transform: scale(1.08);
}

.work-item:hover::after {
  opacity: 1;
}

.work-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-xl);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 100%);
  color: var(--color-bg-white);
  z-index: 3;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--trans-base) var(--ease-in-out));
}

.work-item:hover .work-overlay {
  transform: translateY(0);
  opacity: 1;
}

.work-overlay h3 {
  color: var(--color-bg-white);
  margin-bottom: var(--space-sm);
}

.work-overlay-arrow {
  position: absolute;
  right: var(--space-xl);
  bottom: var(--space-xl);
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-accent);
  border-top: none;
  border-left: none;
  transform: rotate(-45deg) translateY(-4px);
  transition: transform var(--trans-base) var(--ease-in-out));
}

.work-item:hover .work-overlay-arrow {
  transform: rotate(-45deg) translateY(0);
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-statement {
  position: relative;
}

.about-statement h2 {
  font-size: var(--fs-5xl);
  line-height: 1.15;
  margin-bottom: var(--space-xl);
}

.about-statement::before {
  content: '"';
  font-size: 120px;
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.1;
  position: absolute;
  top: -40px;
  left: -20px;
  line-height: 1;
}

.about-details {
  display: grid;
  gap: var(--space-2xl);
}

.about-point {
  padding-left: var(--space-xl);
  position: relative;
}

.about-point::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 20px;
  background-color: var(--color-accent);
}

.about-point h4 {
  margin-bottom: var(--space-sm);
  font-size: var(--fs-lg);
}

.about-point p {
  font-size: var(--fs-sm);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
  }

  .about-statement h2 {
    font-size: var(--fs-4xl);
  }
}

/* ============================================================
   WHY CHOOSE SECTION
   ============================================================ */

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
}

.why-card {
  position: relative;
  padding: var(--space-2xl);
  text-align: left;
}

.why-number {
  font-size: var(--fs-4xl);
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  font-family: 'Courier New', monospace;
  letter-spacing: 2px;
}

.why-card h3 {
  margin-bottom: var(--space-md);
}

.why-card p {
  font-size: var(--fs-sm);
  line-height: 1.7;
}

.why-card::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--trans-slow) var(--ease-in-out));
}

/* Stagger animation for why cards */
.reveal-stagger.visible .why-card::before {
  width: 100%;
}

/* ============================================================
   TESTIMONIAL SECTION
   ============================================================ */

.testimonial {
  position: relative;
  padding: var(--space-4xl) 0;
  background: linear-gradient(
    135deg,
    rgba(0, 102, 204, 0.02) 0%,
    rgba(0, 102, 204, 0.01) 100%
  );
}

.testimonial-carousel {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  max-width: 1100px;
  margin: 0 auto;
}

.testimonial-nav {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  background: var(--color-bg-white);
  color: var(--color-text-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--trans-base) var(--ease-in-out);
  position: relative;
  overflow: hidden;
}

.testimonial-nav::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--color-accent);
  transition: left var(--trans-base) var(--ease-in-out);
  z-index: -1;
}

.testimonial-nav:hover {
  border-color: var(--color-accent);
  color: white;
  box-shadow: 0 4px 16px rgba(0, 102, 204, 0.2);
  transform: scale(1.08);
}

.testimonial-nav:hover::before {
  left: 0;
}

.testimonial-nav:active {
  transform: scale(0.95);
}

.testimonial-nav svg {
  width: 20px;
  height: 20px;
  position: relative;
  z-index: 1;
}

.testimonial-wrapper {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.testimonial-track {
  display: flex;
  gap: var(--space-2xl);
  transition: transform 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.testimonial-card {
  flex: 0 0 100%;
  padding: var(--space-2xl);
  background-color: #f8f9fa;
  border: none;
  border-top: 4px solid #d0d8e8;
  border-radius: 0;
  position: relative;
  opacity: 1;
  transition: all var(--trans-base) var(--ease-in-out);
  box-shadow: none;
  display: flex;
  flex-direction: column;
}

.testimonial-card.active {
  opacity: 1;
  border-top-color: var(--color-accent);
  background-color: #f8f9fa;
  box-shadow: none;
}

.testimonial-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-accent);
  opacity: 0;
  transition: opacity var(--trans-base) var(--ease-in-out));
}

.testimonial-card.active::before {
  opacity: 0;
}

.testimonial-mark {
  font-size: 48px;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-md);
  font-family: Georgia, serif;
  opacity: 0.3;
  transition: opacity var(--trans-base) var(--ease-in-out));
}

.testimonial-card.active .testimonial-mark {
  opacity: 0.4;
}

.testimonial-stars {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  opacity: 0;
  transition: opacity var(--trans-base) var(--ease-in-out));
}

.testimonial-card.active .testimonial-stars {
  opacity: 1;
}

.testimonial-star {
  width: 16px;
  height: 16px;
  fill: var(--color-accent);
  color: var(--color-accent);
}

.testimonial-text {
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--color-text-base);
  margin-bottom: var(--space-lg);
  min-height: 100px;
  flex: 1;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding-top: 0;
  border-top: none;
}

.testimonial-author-img {
  width: 52px;
  height: 52px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--color-accent) 0%, #00a8ff 100%);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: var(--fs-base);
  border: none;
  transition: all var(--trans-base) var(--ease-in-out));
  box-shadow: none;
}

.testimonial-card.active .testimonial-author-img {
  border: none;
  box-shadow: none;
}

.testimonial-author-info h4 {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-text-dark);
  margin: 0;
  letter-spacing: 0.5px;
}

.testimonial-author-info p {
  font-size: var(--fs-xs);
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin: 0;
  margin-top: 2px;
}

/* Testimonial Dots */
.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.testimonial-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background-color: var(--color-border);
  cursor: pointer;
  transition: all 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
  border: 2px solid transparent;
  padding: 0;
}

.testimonial-dot.active {
  background-color: var(--color-accent);
  transform: scale(1.3);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.testimonial-dot:hover {
  background-color: var(--color-accent);
  opacity: 0.8;
  transform: scale(1.15);
}

.testimonial-dot:not(.active):hover {
  border-color: var(--color-accent);
}

/* Responsive */
@media (max-width: 1024px) {
  .testimonial {
    padding: var(--space-3xl) 0;
  }

  .testimonial-carousel {
    gap: var(--space-lg);
  }

  .testimonial-card {
    padding: var(--space-xl);
  }

  .testimonial-text {
    font-size: var(--fs-sm);
    min-height: 90px;
  }

  .testimonial-mark {
    font-size: 40px;
  }
}

@media (max-width: 768px) {
  .testimonial {
    padding: var(--space-2xl) 0;
  }

  .testimonial-carousel {
    gap: var(--space-md);
  }

  .testimonial-nav {
    width: 40px;
    height: 40px;
  }

  .testimonial-nav svg {
    width: 18px;
    height: 18px;
  }

  .testimonial-card {
    padding: var(--space-lg);
  }

  .testimonial-text {
    font-size: var(--fs-sm);
    min-height: 100px;
    line-height: 1.6;
  }

  .testimonial-mark {
    font-size: 36px;
    margin-bottom: var(--space-sm);
  }

  .testimonial-author {
    gap: var(--space-sm);
    padding-top: var(--space-md);
  }

  .testimonial-author-img {
    width: 44px;
    height: 44px;
    font-size: var(--fs-sm);
  }

  .testimonial-author-info h4 {
    font-size: var(--fs-xs);
  }
}

@media (max-width: 480px) {
  .testimonial {
    padding: var(--space-xl) 0;
  }

  .testimonial-carousel {
    gap: var(--space-sm);
  }

  .testimonial-nav {
    width: 36px;
    height: 36px;
  }

  .testimonial-nav svg {
    width: 16px;
    height: 16px;
  }

  .testimonial-card {
    padding: var(--space-md);
  }

  .testimonial-text {
    font-size: var(--fs-sm);
    min-height: auto;
    margin-bottom: var(--space-md);
    line-height: 1.5;
  }

  .testimonial-mark {
    font-size: 32px;
    margin-bottom: var(--space-xs);
  }

  .testimonial-author {
    gap: var(--space-xs);
    padding-top: var(--space-md);
  }

  .testimonial-author-img {
    width: 40px;
    height: 40px;
    font-size: var(--fs-xs);
  }

  .testimonial-author-info h4 {
    font-size: var(--fs-xs);
  }

  .testimonial-author-info p {
    font-size: 10px;
    letter-spacing: 0.6px;
  }

  .testimonial-dots {
    gap: var(--space-sm);
    margin-top: var(--space-lg);
  }

  .testimonial-dot {
    width: 8px;
    height: 8px;
  }

  .testimonial-dot.active {
    transform: scale(1.25);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .testimonial-track,
  .testimonial-nav,
  .testimonial-dot,
  .testimonial-card {
    transition: none;
  }

  .testimonial-nav:hover {
    transform: none;
  }

  .testimonial-nav:active {
    transform: none;
  }

  .testimonial-dot.active {
    transform: none;
  }

  .testimonial-nav:hover::before {
    animation: none;
  }
}

/* ============================================================
   CLIENTS SECTION
   ============================================================ */

.clients {
  position: relative;
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
  max-width: 1200px;
  margin: 0 auto;
}

/* Spotlight Card Styles */
.spotlight-card {
  position: relative;
  padding: var(--space-2xl);
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--trans-base) var(--ease-in-out);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  cursor: default;
}

.spotlight-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 32px rgba(0, 102, 204, 0.15);
  transform: translateY(-4px);
}

.client-logo-container {
  width: 100%;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.client-logo {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.75;
  transition: all var(--trans-base) var(--ease-in-out);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-text-light);
  text-align: center;
  letter-spacing: 0.5px;
  line-height: 1.4;
  text-transform: uppercase;
}

.spotlight-card:hover .client-logo {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.03);
}

.client-name {
  position: absolute;
  bottom: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text-light);
  text-align: center;
  transition: color var(--trans-base) var(--ease-in-out);
}

.spotlight-card:hover .client-name {
  color: var(--color-accent);
}

/* Responsive Grid */
@media (max-width: 1024px) {
  .clients-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
  }
}

@media (max-width: 768px) {
  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .spotlight-card {
    min-height: 200px;
    padding: var(--space-lg);
  }

  .client-logo-container {
    height: 120px;
  }
}

@media (max-width: 480px) {
  .clients-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .spotlight-card {
    min-height: 180px;
    padding: var(--space-lg);
  }

  .client-logo-container {
    height: 100px;
  }

  .client-logo {
    font-size: var(--fs-base);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .spotlight-card {
    transition: none;
  }

  .client-logo,
  .client-name {
    transition: none;
  }

  .spotlight-card:hover .client-logo {
    transform: none;
  }
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */

.contact-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.contact-intro h2 {
  margin-bottom: var(--space-lg);
}

.contact-intro p {
  font-size: var(--fs-lg);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.contact-block {
  position: relative;
  padding-left: var(--space-xl);
}

.contact-block::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 24px;
  background-color: var(--color-accent);
}

.contact-block h4 {
  margin-bottom: var(--space-sm);
  font-size: var(--fs-lg);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 700;
}

.contact-block a,
.contact-block p {
  font-size: var(--fs-base);
  color: var(--color-text-light);
  transition: color var(--trans-base) var(--ease-in-out));
}

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

/* Contact Form */
.contact-form {
  padding: var(--space-2xl);
  background-color: var(--color-bg-light);
  border-radius: var(--radius-lg);
}

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

.form-group label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-md);
  font-family: inherit;
  font-size: var(--fs-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-white);
  color: var(--color-text);
  transition: all var(--trans-base) var(--ease-in-out));
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.form-row .form-group {
  margin-bottom: 0;
}

.contact-form .button {
  width: 100%;
  margin-top: var(--space-lg);
}

@media (max-width: 768px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   FOOTER
   ============================================================ */

footer {
  background-color: var(--color-dark);
  color: var(--color-bg-white);
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border-dark);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer-text {
  font-size: var(--fs-sm);
  color: var(--color-text-lighter);
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.footer-links a {
  font-size: var(--fs-sm);
  color: var(--color-text-lighter);
  transition: color var(--trans-base) var(--ease-in-out));
}

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

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */

@media (max-width: 1024px) {
  :root {
    --fs-5xl: 56px;
    --fs-4xl: 40px;
    --fs-3xl: 28px;
    --space-4xl: 64px;
    --space-3xl: 48px;
  }

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

  .hero {
    min-height: 80vh;
  }

  h1 {
    font-size: var(--fs-4xl);
  }
}

@media (max-width: 768px) {
  :root {
    --fs-5xl: 48px;
    --fs-4xl: 32px;
    --fs-3xl: 24px;
    --fs-2xl: 20px;
    --space-4xl: 48px;
    --space-3xl: 32px;
    --space-2xl: 24px;
  }

  section {
    padding: var(--space-2xl) 0;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .hero {
    min-height: 70vh;
    padding: var(--space-2xl) 0;
  }

  .hero-content {
    padding: var(--space-2xl) var(--space-md);
  }

  .hero-ctas {
    gap: var(--space-md);
  }

  .hero .button {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--fs-sm);
  }

  .nav-menu {
    gap: 0;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .work-grid {
    grid-auto-rows: 250px;
  }

  .about-statement h2 {
    font-size: var(--fs-3xl);
  }

  h1 {
    font-size: var(--fs-3xl);
  }

  h2 {
    font-size: var(--fs-2xl);
  }

  .testimonial-container {
    padding: var(--space-lg);
  }

  .clients-grid {
    gap: var(--space-2xl);
  }

  .client-logo {
    height: 60px;
  }
}

@media (max-width: 480px) {
  :root {
    --fs-4xl: 28px;
    --fs-3xl: 20px;
    --space-2xl: 16px;
    --space-xl: 16px;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .hero-label {
    font-size: 10px;
  }

  .hero h1 {
    font-size: var(--fs-3xl);
  }

  .hero-description {
    font-size: var(--fs-base);
  }

  .hero-ctas {
    flex-direction: column;
  }

  .hero .button {
    width: 100%;
  }

  .work-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 300px;
  }

  .service-card {
    padding: var(--space-lg);
  }

  .about-statement h2 {
    font-size: var(--fs-2xl);
  }

  .section-header h2 {
    font-size: var(--fs-2xl);
  }
}

/* ============================================================
   REDUCED MOTION SUPPORT
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================================
   SERVICE MODAL
   ============================================================ */

.service-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: none;
  align-items: flex-end;
  justify-content: center;
  padding: var(--space-md);
}

.service-modal.active {
  display: flex;
}

.service-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  cursor: pointer;
  animation: fadeIn 300ms ease;
}

.service-modal-content {
  position: relative;
  background: var(--color-bg-white);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  width: 100%;
  max-width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  z-index: 1001;
  animation: slideUp 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 -4px 32px rgba(0, 0, 0, 0.15);
}

.service-modal-inner {
  padding: var(--space-2xl) var(--space-lg);
}

.service-modal-hero {
  width: 100%;
  height: 200px;
  margin-bottom: var(--space-2xl);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), rgba(0, 102, 204, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.service-modal-hero svg {
  width: 100%;
  height: 100%;
  max-width: 300px;
  max-height: 200px;
}

/* Two-column layout for desktop */
@media (min-width: 768px) {
  .service-modal-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
  }

  .service-modal-layout-left {
    order: 1;
  }

  .service-modal-layout-right {
    order: 2;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
  }

  .service-modal-images {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    order: 2;
  }

  .service-modal-hero {
    height: 250px;
    order: 1;
  }
}

.service-modal-images {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin: var(--space-2xl) 0;
}

.service-modal-image {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--color-border);
}

.service-modal-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.service-modal-title {
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--color-text-dark);
  margin: var(--space-xl) 0 var(--space-lg);
  letter-spacing: -0.5px;
}

.service-modal-description {
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--color-text-base);
  margin-bottom: var(--space-2xl);
}

.service-modal-benefits {
  margin-bottom: var(--space-2xl);
}

.service-modal-benefits h3 {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: var(--space-lg);
}

.service-modal-benefits ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.service-modal-benefits li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--color-text-base);
  border-bottom: 1px solid var(--color-border);
}

.service-modal-benefits li:last-child {
  border-bottom: none;
}

.service-modal-benefits li::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 700;
  font-size: var(--fs-lg);
  flex-shrink: 0;
  margin-top: 2px;
}

.service-modal-cta {
  width: 100%;
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--color-accent), #0052a3);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--fs-base);
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all var(--trans-base) var(--ease-in-out));
  text-transform: uppercase;
  margin-top: var(--space-xl);
}

.service-modal-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 102, 204, 0.3);
}

.service-modal-cta:active {
  transform: translateY(0);
}

/* Desktop - Center Modal */
@media (min-width: 768px) {
  .service-modal-hero {
    height: 250px;
  }

  .service-modal-images {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-modal-inner {
    padding: var(--space-3xl) var(--space-2xl);
  }

  .service-modal-title {
    font-size: var(--fs-3xl);
  }
}

@media (min-width: 1024px) {
  .service-modal-images {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-modal-image {
    aspect-ratio: 16 / 12;
  }
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

/* Desktop - Center Modal */
@media (min-width: 768px) {
  .service-modal {
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
  }

  .service-modal-content {
    max-width: 900px;
    max-height: 85vh;
    border-radius: var(--radius-lg);
    animation: fadeInScale 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
  }

  .service-modal-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    margin: 0;
  }

  .service-modal-inner {
    padding: var(--space-3xl) var(--space-2xl);
  }

  .service-modal-title {
    font-size: var(--fs-3xl);
  }

  .service-modal-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
    margin-bottom: var(--space-2xl);
  }

  .service-modal-layout-left {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
  }

  .service-modal-layout-right {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
  }

  .service-modal-images {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .service-modal-hero {
    height: 250px;
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .service-modal-content,
  .service-modal-overlay,
  .service-modal-cta,
  .service-modal-close {
    animation: none;
    transition: none;
  }

  .service-modal-close:hover {
    transform: none;
  }

  .service-modal-cta:hover {
    transform: none;
  }
}

/* ============================================================
   PRINT STYLES
   ============================================================ */

@media print {
  .navbar,
  .hero-ctas,
  .contact-form,
  .button {
    display: none;
  }
}