/* ============================================
   0. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================ */
:root {
  /* Colors */
  --color-primary: #0A2463;
  --color-primary-dark: #061539;
  --color-primary-light: #1B3A8C;
  --color-accent: #F5A623;
  --color-accent-dark: #D4891A;
  --color-secondary: #E8630A;
  --color-success: #2D8F4E;
  --color-text: #1A1A2E;
  --color-text-light: #555B6E;
  --color-text-muted: #8D93A1;
  --color-bg: #FFFFFF;
  --color-bg-light: #F7F8FA;
  --color-bg-dark: #0A2463;
  --color-border: #E1E4E8;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.5rem;
  --fs-4xl: 3rem;
  --lh-body: 1.6;
  --lh-heading: 1.2;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ============================================
   1. RESET & BASE
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  overflow-x: hidden;
}

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

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

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: var(--lh-heading);
  color: var(--color-primary);
  font-weight: 700;
}

h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }

p + p { margin-top: var(--space-4); }

/* Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

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

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

.section {
  padding: var(--space-16) 0;
}

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

.section--dark {
  background-color: var(--color-bg-dark);
  color: #fff;
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: #fff;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section__header p {
  color: var(--color-text-light);
  font-size: var(--fs-md);
  max-width: 600px;
  margin: var(--space-4) auto 0;
}

.section--dark .section__header p {
  color: rgba(255,255,255,0.8);
}

/* ============================================
   2. BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-family);
  font-size: var(--fs-base);
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #fff;
}

.btn--secondary {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary-light);
  color: #fff;
}

.btn--outline {
  background-color: transparent;
  color: #fff;
  border-color: #fff;
}

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

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

.btn--outline-dark:hover {
  background-color: var(--color-primary);
  color: #fff;
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: var(--fs-md);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--fs-sm);
}

/* ============================================
   3. HEADER & NAVIGATION
   ============================================ */
.top-bar {
  background-color: var(--color-primary-dark);
  color: rgba(255,255,255,0.85);
  font-size: var(--fs-sm);
  padding: var(--space-2) 0;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.top-bar__info {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.top-bar__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.top-bar__item a {
  color: rgba(255,255,255,0.85);
}

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

.top-bar__badge {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--fs-xs);
}

.header {
  background-color: #fff;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

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

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

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

.logo-icon {
  width: 52px;
  height: 52px;
  object-fit: contain;
  flex-shrink: 0;
  background: transparent;
  border: none;
  pointer-events: none;
  clip-path: inset(18% 5% 18% 5%);
  transform: scale(2.2);
  transform-origin: center center;
  margin: 0 14px;
}

.header__logo span {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.header__logo .logo-sub {
  font-size: var(--fs-xs);
  font-weight: 400;
  color: var(--color-text-light);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav__link {
  font-weight: 500;
  color: var(--color-text);
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-fast);
}

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

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

.nav__cta {
  display: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  z-index: 1001;
}

.hamburger__line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition-fast);
}

.hamburger--active .hamburger__line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger--active .hamburger__line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
@media (max-width: 991px) {
  .top-bar {
    display: none;
  }

  .nav__list {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem var(--space-8) var(--space-8);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-base);
    gap: 0;
    z-index: 1000;
  }

  .nav__list--open {
    right: 0;
  }

  .nav__list li {
    width: 100%;
  }

  .nav__link {
    display: block;
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--fs-md);
  }

  .nav__cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

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

@media (min-width: 992px) {
  .nav__cta {
    display: inline-flex;
  }
}

/* ============================================
   4. HERO SECTION
   ============================================ */
.hero {
  position: relative;
  padding: var(--space-20) 0 0;
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: url('../images/hero-video-poster.png') center center / cover no-repeat;
}

.hero__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10,36,99,0.55) 0%,
    rgba(8,28,72,0.68) 40%,
    rgba(6,21,57,0.82) 100%
  );
  z-index: 1;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: 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='%23ffffff' fill-opacity='0.03'%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");
  z-index: 2;
}

.hero .container {
  position: relative;
  z-index: 3;
  flex: 1;
  display: flex;
  align-items: center;
}

.hero__content {
  max-width: 680px;
  color: #fff;
}

.hero__eyebrow {
  display: inline-block;
  background-color: rgba(245,166,35,0.15);
  color: var(--color-accent);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: var(--space-6);
  border: 1px solid rgba(245,166,35,0.3);
  animation: eyebrowGlow 2.5s ease-in-out infinite, heroFadeUp 0.8s ease-out 0.2s both;
}


@keyframes eyebrowGlow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(245,166,35,0.2), 0 0 10px rgba(245,166,35,0.1);
    border-color: rgba(245,166,35,0.3);
    background-color: rgba(245,166,35,0.15);
  }
  50% {
    box-shadow: 0 0 12px rgba(245,166,35,0.4), 0 0 24px rgba(245,166,35,0.2);
    border-color: rgba(245,166,35,0.6);
    background-color: rgba(245,166,35,0.25);
  }
}

@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroSlideIn {
  from {
    opacity: 0;
    transform: translateX(-15px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.hero__title {
  font-size: var(--fs-3xl);
  color: #fff;
  margin-bottom: var(--space-6);
  font-weight: 700;
  animation: heroFadeUp 0.8s ease-out 0.35s both;
}

.hero__subtitle {
  font-size: var(--fs-md);
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--space-8);
  line-height: var(--lh-body);
  max-width: 560px;
  animation: heroFadeUp 0.8s ease-out 0.5s both;
}

.hero__subtitle--short {
  display: none;
}

@media (max-width: 575px) {
  .hero__subtitle--full { display: none; }
  .hero__subtitle--short { display: inline; }
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  animation: heroFadeUp 0.8s ease-out 0.65s both;
}

.hero__clients {
  position: relative;
  z-index: 3;
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.15);
  width: 100%;
  animation: heroFadeUp 0.8s ease-out 0.8s both;
}

.hero__clients-label {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
  text-align: center;
}

/* Logo Carousel */
.logo-carousel {
  overflow: hidden;
  width: 100%;
  position: relative;
  mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
}

.logo-carousel__track {
  display: flex;
  gap: var(--space-4);
  animation: logoScroll 30s linear infinite;
  width: max-content;
}

.logo-carousel__track:hover {
  animation-play-state: paused;
}

@keyframes logoScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.logo-carousel__slide {
  flex-shrink: 0;
}

.logo-card {
  background: rgba(255,255,255,0.95);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
  min-width: 150px;
  height: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: default;
}

.logo-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.logo-card__text {
  font-family: var(--font-family);
  letter-spacing: 1px;
  line-height: 1.1;
}

.logo-card__sub {
  font-size: 0.6rem;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.logo-carousel__dots {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.logo-carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.3);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-fast);
}

.logo-carousel__dot--active {
  background-color: #fff;
  width: 24px;
  border-radius: 4px;
}

@media (min-width: 768px) {
  .logo-card {
    min-width: 180px;
    height: 90px;
    padding: var(--space-5) var(--space-8);
  }
}

/* ============================================
   5. PROBLEM / AGITATION SECTION
   ============================================ */
.problems__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.problem-card {
  text-align: center;
  padding: var(--space-8);
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border-top: 3px solid #E53E3E;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.problem-card__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: #FEE2E2;
  color: #E53E3E;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  font-size: var(--fs-xl);
}

.problem-card h3 {
  color: var(--color-text);
  margin-bottom: var(--space-3);
  font-size: var(--fs-lg);
}

.problem-card p {
  color: var(--color-text-light);
  font-size: var(--fs-sm);
}

.problems__cta {
  text-align: center;
  margin-top: var(--space-10);
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--color-primary);
}

/* ============================================
   6. SOLUTION SECTION
   ============================================ */
.solution__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}

.solution__image {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.15);
}

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

.solution__content h2 {
  margin-bottom: var(--space-6);
}

.solution__content > p {
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--space-6);
}

.solution__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.solution__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.solution__check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background-color: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: var(--fs-sm);
  margin-top: 2px;
}

.solution__item-text h4 {
  margin-bottom: var(--space-1);
  font-size: var(--fs-base);
}

.solution__item-text p {
  color: rgba(255,255,255,0.7);
  font-size: var(--fs-sm);
}

/* ============================================
   7. SERVICES OVERVIEW
   ============================================ */
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.service-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.service-card__image {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.9);
  font-size: var(--fs-sm);
  font-weight: 500;
  position: relative;
}

.service-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,36,99,0.4) 0%, transparent 50%);
  transition: opacity var(--transition-base);
}

.service-card__image--htlt {
  background: url('../images/services/ht-lt.jpg') center center / cover no-repeat;
}
.service-card__image--datacenter {
  background: url('../images/services/data-center.jpg') center center / cover no-repeat;
}
.service-card__image--industrial {
  background: url('../images/services/industrial.jpg') center center / cover no-repeat;
}
.service-card__image--residential {
  background: url('../images/services/residential.jpg') center center / cover no-repeat;
}
.service-card__image--maintenance {
  background: url('../images/services/maintenance.jpg') center center / cover no-repeat;
}

.service-card__body {
  padding: var(--space-6);
}

.service-card__body h3 {
  margin-bottom: var(--space-3);
  font-size: var(--fs-lg);
}

.service-card__body p {
  color: var(--color-text-light);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-4);
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--color-primary);
}

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

/* ============================================
   8. STATS BAR
   ============================================ */
.stats {
  background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
  padding: var(--space-12) 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  text-align: center;
}

.stat {
  color: var(--color-primary-dark);
}

.stat__number {
  font-size: var(--fs-3xl);
  font-weight: 700;
  display: block;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat__label {
  font-size: var(--fs-sm);
  font-weight: 500;
  opacity: 0.85;
}

/* ============================================
   9. TESTIMONIALS
   ============================================ */
.testimonials .section__header {
  margin-bottom: var(--space-10);
}

.testimonial-carousel {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  overflow: hidden;
}

.testimonial-slide {
  display: none;
  text-align: center;
  padding: var(--space-8);
  animation: fadeIn 0.5s ease;
}

.testimonial-slide--active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.testimonial__quote {
  font-size: var(--fs-lg);
  color: var(--color-text);
  line-height: var(--lh-body);
  margin-bottom: var(--space-6);
  font-style: italic;
  position: relative;
  padding: 0 var(--space-4);
}

.testimonial__quote::before {
  content: '\201C';
  font-size: 4rem;
  color: var(--color-accent);
  position: absolute;
  top: -1.5rem;
  left: -0.5rem;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial__author {
  font-weight: 600;
  color: var(--color-primary);
}

.testimonial__role {
  font-size: var(--fs-sm);
  color: var(--color-text-light);
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.testimonial-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-border);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  padding: 0;
}

.testimonial-dot--active {
  background-color: var(--color-accent);
}

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

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

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-family);
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  gap: var(--space-4);
  transition: color var(--transition-fast);
}

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

.faq__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  position: relative;
  transition: transform var(--transition-base);
}

.faq__icon::before,
.faq__icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-primary);
  transition: transform var(--transition-base);
}

.faq__icon::before {
  width: 14px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq__icon::after {
  width: 2px;
  height: 14px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq__item--open .faq__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq__answer-inner,
.faq__answer > p {
  padding: 0 0 var(--space-6);
  color: var(--color-text-light);
  line-height: var(--lh-body);
}

/* ============================================
   11. CTA BANNER
   ============================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  padding: var(--space-16) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 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='%23ffffff' fill-opacity='0.03'%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");
}

.cta-banner .container {
  position: relative;
  z-index: 1;
}

.cta-banner h2 {
  font-size: var(--fs-2xl);
  color: #fff;
  margin-bottom: var(--space-4);
}

.cta-banner p {
  color: rgba(255,255,255,0.85);
  font-size: var(--fs-md);
  margin-bottom: var(--space-8);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ============================================
   12. FOOTER
   ============================================ */
.footer {
  background-color: var(--color-primary-dark);
  color: rgba(255,255,255,0.8);
  padding: var(--space-16) 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
}

.footer__about .header__logo {
  color: #fff;
  margin-bottom: var(--space-4);
}

.footer__about .header__logo .logo-sub {
  color: rgba(255,255,255,0.6);
}

.footer__about > p {
  font-size: var(--fs-sm);
  margin-bottom: var(--space-4);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: var(--fs-sm);
  transition: all var(--transition-fast);
}

.footer__social a:hover {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
}

.footer h4 {
  color: #fff;
  font-size: var(--fs-base);
  margin-bottom: var(--space-5);
  font-weight: 600;
}

.footer__links li {
  margin-bottom: var(--space-3);
}

.footer__links a {
  color: rgba(255,255,255,0.7);
  font-size: var(--fs-sm);
  transition: color var(--transition-fast);
}

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

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--fs-sm);
}

.footer__contact-item .icon {
  color: var(--color-accent);
  font-size: var(--fs-base);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer__contact-item a {
  color: rgba(255,255,255,0.7);
}

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

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: var(--space-5) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--fs-xs);
}

.footer__bottom a {
  color: rgba(255,255,255,0.5);
}

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

.footer__license {
  color: rgba(255,255,255,0.5);
}

/* ============================================
   13. PAGE HERO (Inner Pages)
   ============================================ */
.page-hero {
  background: url('../images/hero-bg.jpg') center center / cover no-repeat;
  padding: var(--space-16) 0 var(--space-12);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,36,99,0.6) 0%, rgba(27,58,140,0.55) 100%);
  z-index: 0;
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: 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='%23ffffff' fill-opacity='0.03'%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");
  z-index: 1;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-4);
}

.breadcrumb a {
  color: rgba(255,255,255,0.7);
}

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

.breadcrumb span {
  color: rgba(255,255,255,0.5);
}

.breadcrumb .current {
  color: rgba(255,255,255,0.9);
}

.page-hero h1 {
  color: #fff;
  margin-bottom: var(--space-4);
}

.page-hero p {
  color: rgba(255,255,255,0.85);
  max-width: 600px;
  font-size: var(--fs-md);
}

/* ============================================
   14. SERVICES PAGE
   ============================================ */
.service-nav {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 72px;
  z-index: 100;
  overflow-x: auto;
}

.service-nav__list {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-4) 0;
  white-space: nowrap;
}

.service-nav__link {
  padding: var(--space-2) var(--space-4);
  border-radius: 999px;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.service-nav__link:hover,
.service-nav__link--active {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.service-detail {
  padding: var(--space-16) 0;
  border-bottom: 1px solid var(--color-border);
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}

.service-detail__image {
  aspect-ratio: 16/10;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.8);
  font-size: var(--fs-sm);
}

.service-detail__content h2 {
  margin-bottom: var(--space-4);
}

.service-detail__content > p {
  color: var(--color-text-light);
  margin-bottom: var(--space-6);
}

.service-detail__list {
  margin-bottom: var(--space-6);
}

.service-detail__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  color: var(--color-text);
  font-size: var(--fs-sm);
}

.service-detail__list li::before {
  content: '>';
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
}

.service-detail__badges {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-bg-light);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
}

/* ============================================
   15. ABOUT PAGE
   ============================================ */
.about-story {
  padding: var(--space-16) 0;
}

.about-story__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}

.about-story__image {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: var(--fs-sm);
}

.about-story__content h2 {
  margin-bottom: var(--space-6);
}

.about-story__content p {
  color: var(--color-text-light);
}

/* Timeline */
.timeline {
  position: relative;
  padding: var(--space-8) 0;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-border);
}

.timeline__item {
  position: relative;
  padding-left: 60px;
  padding-bottom: var(--space-10);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  position: absolute;
  left: 12px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--color-accent);
  border: 3px solid #fff;
  box-shadow: var(--shadow-sm);
}

.timeline__year {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.timeline__item h3 {
  font-size: var(--fs-base);
  margin-bottom: var(--space-2);
}

.timeline__item p {
  color: var(--color-text-light);
  font-size: var(--fs-sm);
}

/* Values */
.values__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.value-card {
  text-align: center;
  padding: var(--space-8);
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--color-accent);
}

.value-card__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: rgba(245,166,35,0.1);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  font-size: var(--fs-xl);
}

.value-card h3 {
  margin-bottom: var(--space-3);
  font-size: var(--fs-lg);
}

.value-card p {
  color: var(--color-text-light);
  font-size: var(--fs-sm);
}

/* Certifications */
.certifications__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.cert-card {
  padding: var(--space-6);
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  text-align: center;
  border: 1px solid var(--color-border);
}

.cert-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  font-size: var(--fs-lg);
  color: var(--color-primary);
}

.cert-card h4 {
  font-size: var(--fs-sm);
  margin-bottom: var(--space-2);
}

.cert-card p {
  font-size: var(--fs-xs);
  color: var(--color-text-light);
}

/* Team */
.team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.team-card {
  text-align: center;
  padding: var(--space-6);
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.team-card__photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: var(--fs-xl);
}

.team-card h3 {
  font-size: var(--fs-base);
  margin-bottom: var(--space-1);
}

.team-card p {
  font-size: var(--fs-sm);
  color: var(--color-text-light);
}

/* ============================================
   16. PROJECTS PAGE
   ============================================ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin-bottom: var(--space-10);
}

.filter-btn {
  padding: var(--space-2) var(--space-5);
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: #fff;
  font-family: var(--font-family);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-light);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.project-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: var(--fs-sm);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,36,99,0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-card:hover .project-card__overlay {
  opacity: 1;
}

.project-card__tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  font-weight: 600;
  margin-bottom: var(--space-2);
  width: fit-content;
}

.project-card__overlay h3 {
  color: #fff;
  font-size: var(--fs-base);
}

.project-card__overlay p {
  color: rgba(255,255,255,0.7);
  font-size: var(--fs-sm);
}

/* Featured Project */
.featured-project {
  padding: var(--space-16) 0;
  border-top: 1px solid var(--color-border);
}

.featured-project__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}

.featured-project__image {
  aspect-ratio: 16/10;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: var(--fs-sm);
}

.featured-project__content h3 {
  margin-bottom: var(--space-3);
}

.featured-project__content p {
  color: var(--color-text-light);
  margin-bottom: var(--space-6);
}

.featured-project__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.featured-project__stat {
  text-align: center;
  padding: var(--space-4);
  background-color: var(--color-bg-light);
  border-radius: var(--radius-sm);
}

.featured-project__stat strong {
  display: block;
  font-size: var(--fs-lg);
  color: var(--color-primary);
}

.featured-project__stat span {
  font-size: var(--fs-xs);
  color: var(--color-text-light);
}

/* ============================================
   17. CONTACT PAGE
   ============================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

.contact-form {
  background: #fff;
  padding: var(--space-8);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.contact-form h2 {
  margin-bottom: var(--space-6);
  font-size: var(--fs-xl);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-group label .required {
  color: #E53E3E;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: var(--fs-base);
  color: var(--color-text);
  background-color: #fff;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(10,36,99,0.1);
}

.form-input--error {
  border-color: #E53E3E;
}

.form-error {
  font-size: var(--fs-xs);
  color: #E53E3E;
  margin-top: var(--space-1);
  display: none;
}

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

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

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--space-8);
}

.form-success.show {
  display: block;
}

.form-success__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: rgba(45,143,78,0.1);
  color: var(--color-success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  font-size: var(--fs-2xl);
}

.form-success h3 {
  color: var(--color-success);
  margin-bottom: var(--space-3);
}

.form-success p {
  color: var(--color-text-light);
}

.contact-info h2 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-2);
}

.contact-info__intro {
  font-size: var(--fs-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-6);
  line-height: 1.5;
}

/* --- Contact Action Cards --- */
.contact-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: var(--space-6);
}

.contact-action-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: #fff;
  text-decoration: none;
  color: var(--color-text);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.contact-action-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: 4px 0 0 4px;
  transition: width 0.3s ease;
}

.contact-action-card--call::before { background: var(--color-primary); }
.contact-action-card--office::before { background: #6366f1; }
.contact-action-card--whatsapp::before { background: #25D366; }
.contact-action-card--email::before { background: var(--color-accent); }

.contact-action-card:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  border-color: transparent;
}

.contact-action-card:hover::before {
  width: 5px;
}

.contact-action-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.contact-action-card__icon svg {
  width: 20px;
  height: 20px;
}

.contact-action-card--call .contact-action-card__icon {
  background: rgba(10,36,99,0.08);
  color: var(--color-primary);
}
.contact-action-card--office .contact-action-card__icon {
  background: rgba(99,102,241,0.08);
  color: #6366f1;
}
.contact-action-card--whatsapp .contact-action-card__icon {
  background: rgba(37,211,102,0.1);
  color: #25D366;
}
.contact-action-card--email .contact-action-card__icon {
  background: rgba(245,166,35,0.1);
  color: var(--color-accent);
}

.contact-action-card:hover .contact-action-card__icon {
  transform: scale(1.1);
}

.contact-action-card__body {
  flex: 1;
  min-width: 0;
}

.contact-action-card__label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-light);
  margin-bottom: 0.15rem;
}

.contact-action-card__value {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.1rem;
}

.contact-action-card__hint {
  display: block;
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.contact-action-card__arrow {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
}

.contact-action-card:hover .contact-action-card__arrow {
  transform: translateX(3px);
  color: var(--color-primary);
}

/* Specific hover glow per card type */
.contact-action-card--call:hover { box-shadow: 0 4px 20px rgba(10,36,99,0.12); }
.contact-action-card--office:hover { box-shadow: 0 4px 20px rgba(99,102,241,0.12); }
.contact-action-card--whatsapp:hover { box-shadow: 0 4px 20px rgba(37,211,102,0.15); }
.contact-action-card--email:hover { box-shadow: 0 4px 20px rgba(245,166,35,0.15); }

/* --- Office Details Card --- */
.contact-office-card {
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
  margin-bottom: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-office-card__row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.contact-office-card__row svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-office-card__row strong {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.1rem;
}

.contact-office-card__row p {
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.45;
  margin: 0;
}

/* --- Map --- */
.contact-map {
  margin-bottom: var(--space-6);
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 220px;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-light);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  display: block;
}

/* --- Licensed Badge --- */
.contact-licensed {
  padding: var(--space-4);
  background-color: rgba(45,143,78,0.05);
  border: 1px solid rgba(45,143,78,0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--color-success);
  font-weight: 500;
}

/* --- Staggered entrance for action cards --- */
.contact-action-card:nth-child(1) { animation: heroFadeUp 0.5s ease-out 0.1s both; }
.contact-action-card:nth-child(2) { animation: heroFadeUp 0.5s ease-out 0.2s both; }
.contact-action-card:nth-child(3) { animation: heroFadeUp 0.5s ease-out 0.3s both; }
.contact-action-card:nth-child(4) { animation: heroFadeUp 0.5s ease-out 0.4s both; }

/* ============================================
   18. STICKY MOBILE CTA BAR
   ============================================ */
.mobile-cta {
  display: none;
}

@media (max-width: 767px) {
  .mobile-cta {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-primary-dark);
    padding: 0.4rem 0.75rem;
    gap: 0.5rem;
    z-index: 1000;
    box-shadow: 0 -2px 12px rgba(0,0,0,0.2);
  }

  .mobile-cta .btn {
    flex: 1;
    justify-content: center;
    padding: 0.55rem;
    font-size: 0.8rem;
  }

  body {
    padding-bottom: 54px;
  }
}

/* ============================================
   19. BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 90px;
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 999;
  box-shadow: var(--shadow-md);
  font-size: var(--fs-lg);
}

.back-to-top--visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
}

@media (min-width: 768px) {
  .back-to-top {
    bottom: 30px;
    right: 30px;
  }
}

/* ============================================
   20. WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 90px;
  right: 20px;
  z-index: 998;
  display: flex;
  flex-direction: row-reverse;
  align-items: center;
  gap: 0;
  cursor: pointer;
  text-decoration: none;
}

.whatsapp-float__icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(37,211,102,0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: whatsappPulse 2s ease-in-out infinite;
  position: relative;
  z-index: 2;
}

.whatsapp-float__icon svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}

.whatsapp-float__icon::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: rgba(37,211,102,0.25);
  animation: whatsappRing 2s ease-in-out infinite;
  z-index: -1;
}

.whatsapp-float:hover .whatsapp-float__icon {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37,211,102,0.5);
  animation: none;
}

.whatsapp-float:hover .whatsapp-float__icon::before {
  animation: none;
  opacity: 0;
}

/* Tooltip label */
.whatsapp-float__label {
  background-color: #fff;
  color: #333;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.12);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
  margin-left: 0.5rem;
}

.whatsapp-float:hover .whatsapp-float__label {
  opacity: 1;
  transform: translateX(0);
}

@keyframes whatsappPulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 4px 14px rgba(37,211,102,0.4);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(37,211,102,0.55);
  }
}

@keyframes whatsappRing {
  0%, 100% {
    transform: scale(1);
    opacity: 0.4;
  }
  50% {
    transform: scale(1.35);
    opacity: 0;
  }
}

/* Mobile adjustments */
@media (max-width: 767px) {
  .whatsapp-float {
    bottom: 62px;
    right: 14px;
  }

  .whatsapp-float__icon {
    width: 46px;
    height: 46px;
  }

  .whatsapp-float__icon svg {
    width: 24px;
    height: 24px;
  }

  .whatsapp-float__label {
    display: none;
  }
}

/* ============================================
   21. ANIMATIONS
   ============================================ */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fade-right"] {
  transform: translateX(-30px);
}

[data-animate="fade-right"].is-visible {
  transform: translateX(0);
}

[data-animate="fade-left"] {
  transform: translateX(30px);
}

[data-animate="fade-left"].is-visible {
  transform: translateX(0);
}

/* ============================================
   21. RESPONSIVE
   ============================================ */

/* Mobile-specific fixes */
@media (max-width: 575px) {
  html {
    scroll-padding-top: 60px;
  }

  .container {
    padding: 0 1rem;
  }

  /* --- Header: slim --- */
  .header .container {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }

  .header__logo {
    font-size: 0.9rem;
    gap: 0.4rem;
  }

  .logo-icon {
    width: 38px;
    height: 38px;
    transform: scale(2.2);
    margin: 0 10px;
  }

  .header__logo .logo-sub {
    font-size: 0.6rem;
  }

  /* --- Hero: compact, animated, no wasted space --- */
  .hero {
    min-height: auto;
    padding: 1rem 0 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
  }

  .hero .container {
    padding-top: 1.5rem;
  }

  .hero__bg::before {
    background: linear-gradient(
      to bottom,
      rgba(8,28,72,0.45) 0%,
      rgba(8,28,72,0.62) 40%,
      rgba(4,16,48,0.88) 100%
    );
  }

  .hero__video {
    object-position: 65% center;
  }

  /* Staggered entrance animations */
  .hero__eyebrow {
    font-size: 0.65rem;
    padding: 0.3rem 0.75rem;
    margin-bottom: 0.6rem;
    background-color: rgba(245,166,35,0.2);
    border-color: rgba(245,166,35,0.4);
    animation: eyebrowGlow 2.5s ease-in-out infinite, heroFadeUp 0.7s ease-out 0.2s both;
  }

  .hero__title {
    font-size: 1.55rem;
    margin-bottom: 0.5rem;
    line-height: 1.22;
    letter-spacing: -0.02em;
    animation: heroFadeUp 0.7s ease-out 0.4s both;
  }

  .hero__subtitle {
    font-size: 0.85rem;
    margin-bottom: 1.2rem;
    line-height: 1.5;
    color: rgba(255,255,255,0.92);
    animation: heroFadeUp 0.7s ease-out 0.6s both;
  }

  .hero__actions {
    flex-direction: column;
    gap: 0;
    animation: heroFadeUp 0.7s ease-out 0.8s both;
  }

  .hero__actions .btn {
    width: 100%;
    text-align: center;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    border-radius: 6px;
  }

  .hero__actions .btn--outline {
    display: none;
  }

  .hero__clients {
    margin-top: 1rem;
    padding: 0.65rem 0 0.5rem;
    border-top: 1px solid rgba(255,255,255,0.12);
    animation: heroFadeUp 0.7s ease-out 1s both;
  }

  .hero__clients-label {
    font-size: 0.6rem;
    letter-spacing: 1px;
    margin-bottom: 0.4rem;
    color: rgba(255,255,255,0.5);
  }

  .logo-carousel__track {
    gap: 0.5rem;
  }

  .logo-card {
    min-width: 100px;
    height: 52px;
    padding: 0.3rem 0.5rem;
    border-radius: 6px;
    background: rgba(255,255,255,0.95);
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
  }

  .logo-card__text {
    font-size: 0.75rem !important;
  }

  .logo-card__sub {
    font-size: 0.4rem;
  }

  .logo-carousel__dots {
    margin-top: 0.4rem;
  }

  .logo-carousel__dot {
    width: 5px;
    height: 5px;
  }

  .logo-carousel__dot--active {
    width: 16px;
  }

  /* --- All sections: tight --- */
  .section {
    padding: 1.75rem 0;
  }

  .section__header {
    margin-bottom: 1.25rem;
  }

  .section__header h2 {
    font-size: 1.2rem;
    letter-spacing: -0.01em;
  }

  .section__header p {
    font-size: 0.8rem;
    margin-top: 0.3rem;
    line-height: 1.5;
  }

  /* --- Problem cards: clean vertical --- */
  .problems__grid {
    gap: 0.6rem;
  }

  .problem-card {
    padding: 0.85rem 1rem;
    text-align: left;
    border-top: none;
    border-left: 3px solid #E53E3E;
    border-radius: 0 8px 8px 0;
  }

  .problem-card__icon {
    display: none;
  }

  .problem-card h3 {
    font-size: 0.85rem;
    margin-bottom: 0.2rem;
    color: var(--color-text);
  }

  .problem-card p {
    font-size: 0.78rem;
    line-height: 1.5;
    color: var(--color-text-light);
  }

  .problems__cta {
    margin-top: 1rem;
    font-size: 0.85rem;
  }

  /* --- Solution section --- */
  .solution__grid {
    gap: 1.25rem;
  }

  .solution__image {
    max-height: 180px;
    border-radius: 8px;
  }

  .solution__content h2 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
  }

  .solution__list {
    gap: 0.75rem;
    margin-bottom: 1.25rem;
  }

  .solution__item {
    gap: 0.6rem;
  }

  .solution__check {
    width: 22px;
    height: 22px;
    font-size: 0.6rem;
    margin-top: 1px;
  }

  .solution__item-text h4 {
    font-size: 0.82rem;
    margin-bottom: 0.1rem;
  }

  .solution__item-text p {
    font-size: 0.75rem;
    line-height: 1.45;
    color: rgba(255,255,255,0.8);
  }

  .solution__content .btn {
    font-size: 0.82rem;
    padding: 0.6rem 1.25rem;
  }

  /* --- Service cards: horizontal compact --- */
  .services__grid {
    gap: 0.6rem;
  }

  .service-card {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    border-radius: 8px;
  }

  .service-card:hover {
    transform: none;
  }

  .service-card__image {
    height: auto;
    width: 90px;
    min-height: 80px;
    flex-shrink: 0;
    border-radius: 8px 0 0 8px;
  }

  .service-card__body {
    padding: 0.65rem 0.75rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .service-card__body h3 {
    font-size: 0.85rem;
    margin-bottom: 0.1rem;
  }

  .service-card__body p {
    font-size: 0.72rem;
    margin-bottom: 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .service-card__link {
    display: none;
  }

  /* --- Stats bar --- */
  .stats {
    padding: 1.5rem 0;
  }

  .stats__grid {
    gap: 0.75rem 0.5rem;
  }

  .stat__number {
    font-size: 1.5rem;
    margin-bottom: 0.1rem;
  }

  .stat__label {
    font-size: 0.65rem;
    line-height: 1.3;
  }

  /* --- Testimonials --- */
  .testimonials {
    padding: 1.5rem 0;
  }

  .testimonial__quote {
    font-size: 0.85rem;
    padding: 0 0.25rem;
    line-height: 1.6;
  }

  .testimonial__quote::before {
    font-size: 2rem;
    top: -0.5rem;
    left: -0.15rem;
  }

  .testimonial__author {
    font-size: 0.85rem;
  }

  .testimonial__role {
    font-size: 0.75rem;
  }

  /* --- FAQ --- */
  .faq__question {
    font-size: 0.85rem;
    padding: 0.65rem 0;
  }

  .faq__answer p {
    font-size: 0.8rem;
    line-height: 1.55;
  }

  /* --- CTA banner --- */
  .cta-banner {
    padding: 1.75rem 0;
  }

  .cta-banner h2 {
    font-size: 1.15rem;
    margin-bottom: 0.4rem;
  }

  .cta-banner p {
    font-size: 0.82rem;
    margin-bottom: 1rem;
    line-height: 1.5;
  }

  .cta-banner__actions {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }

  .cta-banner__actions .btn {
    width: 100%;
    text-align: center;
    font-size: 0.82rem;
    padding: 0.65rem 1rem;
  }

  /* --- Page hero (inner pages) --- */
  .page-hero {
    padding: 2rem 0 1.5rem;
  }

  .page-hero h1 {
    font-size: 1.35rem;
  }

  /* --- Services page nav --- */
  .service-nav__list {
    padding: 0.5rem 0;
  }

  .service-detail {
    padding: 1.75rem 0;
  }

  /* --- Projects --- */
  .filter-bar {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
  }

  .filter-btn {
    flex-shrink: 0;
    font-size: 0.7rem;
    padding: 0.35rem 0.6rem;
  }

  .featured-project__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
  }

  .featured-project__stat strong {
    font-size: 0.9rem;
  }

  /* --- Contact form --- */
  .contact-form {
    padding: 1rem;
  }

  .contact-action-card {
    padding: 0.8rem 0.9rem;
    gap: 0.7rem;
  }

  .contact-action-card__icon {
    width: 38px;
    height: 38px;
  }

  .contact-action-card__icon svg {
    width: 17px;
    height: 17px;
  }

  .contact-action-card__value {
    font-size: 0.85rem;
  }

  .contact-action-card__hint {
    font-size: 0.68rem;
  }

  .contact-map {
    height: 180px;
  }

  .contact-office-card {
    padding: 0.85rem 1rem;
  }

  .contact-office-card__row strong {
    font-size: 0.75rem;
  }

  .contact-office-card__row p {
    font-size: 0.78rem;
  }

  /* --- Footer --- */
  .footer {
    padding: 1.75rem 0 0.75rem;
  }

  .footer__grid {
    gap: 1.25rem;
    padding-bottom: 1.25rem;
  }

  .footer__about .header__logo {
    margin-bottom: 0.5rem;
  }

  .footer__about > p {
    font-size: 0.75rem;
    line-height: 1.5;
    margin-bottom: 0.5rem;
  }

  .footer__social a {
    width: 30px;
    height: 30px;
  }

  .footer h4 {
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
  }

  .footer__links li a {
    font-size: 0.75rem;
    padding: 0.15rem 0;
    display: inline-block;
  }

  .footer__contact-item {
    font-size: 0.75rem;
    gap: 0.4rem;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.25rem;
    padding-top: 0.75rem;
    font-size: 0.65rem;
  }

  /* --- Mobile CTA bar: slimmer --- */
  .mobile-cta .btn {
    padding: 0.6rem;
    font-size: 0.75rem;
  }
}

/* Tablets */
@media (min-width: 576px) {
  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (min-width: 768px) {
  h1 { font-size: var(--fs-4xl); }
  h2 { font-size: var(--fs-3xl); }

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

  .section {
    padding: var(--space-20) 0;
  }

  .problems__grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .stats__grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .values__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .certifications__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .team__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact__grid {
    grid-template-columns: 1.2fr 1fr;
  }
}

/* Laptops */
@media (min-width: 992px) {
  .solution__grid {
    grid-template-columns: 1fr 1fr;
  }

  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  }

  .service-detail__grid {
    grid-template-columns: 1fr 1fr;
  }

  .service-detail:nth-child(even) .service-detail__grid {
    direction: rtl;
  }

  .service-detail:nth-child(even) .service-detail__grid > * {
    direction: ltr;
  }

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

  .timeline::before {
    left: 50%;
  }

  .timeline__item {
    width: 50%;
    padding-left: 0;
  }

  .timeline__item:nth-child(odd) {
    padding-right: 60px;
    text-align: right;
  }

  .timeline__item:nth-child(odd) .timeline__dot {
    left: auto;
    right: -9px;
  }

  .timeline__item:nth-child(even) {
    margin-left: 50%;
    padding-left: 60px;
  }

  .timeline__item:nth-child(even) .timeline__dot {
    left: -9px;
  }

  .projects__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .featured-project__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Desktops */
@media (min-width: 1200px) {
  .services__grid--five {
    grid-template-columns: repeat(5, 1fr);
  }

  .services__grid--five .service-card__image {
    height: 160px;
  }
}