/* ==========================================================================
   StructVexa - Main Stylesheet
   Professional Construction Company Website
   ========================================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-primary: #1A2634;
  --color-primary-light: #243447;
  --color-primary-dark: #111a24;
  --color-accent: #F2994A;
  --color-accent-hover: #e08839;
  --color-accent-dark: #d47a2e;
  --color-white: #FFFFFF;
  --color-light-gray: #F5F6F8;
  --color-mid-gray: #E0E3E8;
  --color-dark-gray: #6B7280;
  --color-text: #333333;
  --color-text-light: #6B7280;
  --color-success: #27AE60;
  --color-error: #E74C3C;

  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  --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);
  --shadow-xl: 0 12px 40px rgba(0,0,0,0.15);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --transition: 0.3s ease;
  --transition-fast: 0.15s ease;

  --container-max: 1200px;
  --header-height: 80px;
}

/* ---------- Skip Link ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--color-white);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 10000;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 10px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.15; }
h2 { font-size: clamp(1.6rem, 4vw, 2.5rem); line-height: 1.2; }
h3 { font-size: clamp(1.2rem, 3vw, 1.5rem); line-height: 1.3; }
h4 { font-size: 1.1rem; line-height: 1.4; }

p {
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ---------- Utility Classes ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

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

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

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

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

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}

.section-subtitle {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.text-accent {
  color: var(--color-accent);
}

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

.img-fluid {
  width: 100%;
  height: auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  white-space: nowrap;
}

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

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(242, 153, 74, 0.4);
}

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

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

.btn--outline-dark {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--outline-dark:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

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

.btn--white:hover {
  background-color: var(--color-light-gray);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--sm {
  padding: 10px 24px;
  font-size: 0.85rem;
}

/* ---------- Logo ---------- */
.logo {
  display: flex;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
}

.logo__icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 10px;
  position: relative;
  overflow: hidden;
}

.logo__icon::before {
  content: '';
  width: 18px;
  height: 18px;
  border: 3px solid var(--color-white);
  border-radius: 2px;
  transform: rotate(45deg);
}

.logo__struct {
  color: var(--color-primary);
}

.logo__vexa {
  color: var(--color-accent);
}

.header-dark .logo__struct {
  color: var(--color-white);
}

/* ---------- Header / Navigation ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  height: var(--header-height);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
  background-color: rgba(255,255,255,0.98);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--color-primary);
  position: relative;
  padding: 4px 0;
}

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

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

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

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

.nav__cta {
  margin-left: 8px;
}

/* Mobile menu toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.nav__toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav__toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.nav__toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--color-primary);
  overflow: hidden;
  padding-top: var(--header-height);
}

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

.hero__bg-pattern {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(26,38,52,0.95) 0%, rgba(26,38,52,0.7) 50%, rgba(26,38,52,0.85) 100%);
  z-index: 1;
}

.hero__bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__construction-graphic {
  position: absolute;
  right: -5%;
  bottom: 0;
  width: 55%;
  height: 100%;
  z-index: 0;
  opacity: 0.15;
}

.hero__crane {
  position: absolute;
  right: 8%;
  bottom: 10%;
  width: 300px;
  height: 400px;
}

.hero__crane-arm {
  position: absolute;
  top: 0;
  right: 0;
  width: 250px;
  height: 4px;
  background: var(--color-accent);
  transform-origin: right center;
  transform: rotate(-20deg);
}

.hero__crane-tower {
  position: absolute;
  bottom: 0;
  right: 60px;
  width: 4px;
  height: 350px;
  background: linear-gradient(to top, var(--color-accent), rgba(242,153,74,0.3));
}

.hero__crane-base {
  position: absolute;
  bottom: 0;
  right: 30px;
  width: 64px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 3px;
}

.hero__grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(242,153,74,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242,153,74,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(242,153,74,0.15);
  border: 1px solid rgba(242,153,74,0.3);
  border-radius: 50px;
  padding: 8px 20px;
  margin-bottom: 24px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-accent);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: 20px;
  font-size: clamp(2.2rem, 5.5vw, 3.5rem);
}

.hero h1 .text-accent {
  display: block;
}

.hero__desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 36px;
  max-width: 540px;
  line-height: 1.8;
}

.hero__buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero__stats {
  display: flex;
  gap: 48px;
}

.hero__stat {
  text-align: left;
}

.hero__stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
}

.hero__stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---------- Page Hero (Inner pages) ---------- */
.page-hero {
  position: relative;
  background-color: var(--color-primary);
  padding: 160px 0 80px;
  text-align: center;
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(26,38,52,0.97), rgba(26,38,52,0.88));
}

.page-hero__pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(242,153,74,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242,153,74,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-hero__content {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: var(--color-white);
  margin-bottom: 16px;
}

.page-hero p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 0.9rem;
}

.breadcrumb a {
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

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

.breadcrumb__sep {
  color: rgba(255,255,255,0.3);
}

.breadcrumb__current {
  color: var(--color-accent);
}

/* ---------- Services Section ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: all var(--transition);
  border: 1px solid var(--color-mid-gray);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

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

.service-card__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: rgba(242,153,74,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.8rem;
  transition: all var(--transition);
}

.service-card:hover .service-card__icon {
  background: var(--color-accent);
  color: var(--color-white);
}

.service-card h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
}

.service-card p {
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-accent);
}

.service-card__link:hover {
  gap: 10px;
}

/* ---------- Why Choose Us ---------- */
.why-us__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.why-us__content h2 {
  margin-bottom: 16px;
}

.why-us__content > p {
  margin-bottom: 32px;
}

.why-us__features {
  display: grid;
  gap: 24px;
}

.why-us__feature {
  display: flex;
  gap: 16px;
}

.why-us__feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(242,153,74,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-accent);
}

.why-us__feature-text h4 {
  margin-bottom: 4px;
}

.why-us__feature-text p {
  font-size: 0.9rem;
}

.why-us__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.why-us__image-placeholder {
  width: 100%;
  height: 480px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.why-us__image-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(242,153,74,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242,153,74,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}

.why-us__image-icon {
  font-size: 4rem;
  color: rgba(255,255,255,0.15);
  position: relative;
  z-index: 1;
}

.why-us__experience-badge {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 20px 28px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-lg);
  z-index: 2;
}

.why-us__experience-badge .number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
}

.why-us__experience-badge .label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.9;
}

/* ---------- Stats Counter ---------- */
.stats {
  padding: 60px 0;
  background: var(--color-primary);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stats__item {
  padding: 20px;
}

.stats__number {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stats__label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---------- Testimonials ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr));
  gap: 30px;
}

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-mid-gray);
  transition: all var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
}

.testimonial-card__stars {
  color: var(--color-accent);
  font-size: 1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-card__text {
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 24px;
  font-style: italic;
  color: var(--color-text);
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
}

.testimonial-card__name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-primary);
}

.testimonial-card__role {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  position: relative;
  overflow: hidden;
}

.cta-banner__pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

.cta-banner__content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: 16px;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
}

.cta-banner p {
  color: rgba(255,255,255,0.9);
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner__buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Projects / Portfolio ---------- */
.projects-filter {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
  padding: 0 10px;
}

.projects-filter__btn {
  padding: 10px 24px;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.9rem;
  border: 2px solid var(--color-mid-gray);
  border-radius: 50px;
  color: var(--color-text-light);
  background: var(--color-white);
  transition: all var(--transition);
}

.projects-filter__btn:hover,
.projects-filter__btn--active {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-white);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr));
  gap: 30px;
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  background: var(--color-white);
}

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

.project-card__image {
  height: 260px;
  overflow: hidden;
  position: relative;
}

.project-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255,255,255,0.3);
}

.project-card__placeholder--residential {
  background: linear-gradient(135deg, #3a7bd5, #5b9fe3);
}

.project-card__placeholder--commercial {
  background: linear-gradient(135deg, #1A2634, #2d4a5e);
}

.project-card__placeholder--infrastructure {
  background: linear-gradient(135deg, #6B7280, #9ca3af);
}

.project-card__placeholder--renovation {
  background: linear-gradient(135deg, #F2994A, #f5b97a);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,38,52,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

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

.project-card__overlay-text {
  color: var(--color-white);
  text-align: center;
}

.project-card__overlay-text h3 {
  color: var(--color-white);
  margin-bottom: 4px;
}

.project-card__overlay-text p {
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
}

.project-card__info {
  padding: 24px;
}

.project-card__tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(242,153,74,0.1);
  color: var(--color-accent);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.project-card__info h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.project-card__info p {
  font-size: 0.88rem;
}

/* ---------- About Page ---------- */
.about-story__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-story__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-story__placeholder {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-story__placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(242,153,74,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242,153,74,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}

.about-story__placeholder-icon {
  font-size: 3rem;
  color: rgba(255,255,255,0.15);
  position: relative;
  z-index: 1;
}

.mission-vision__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.mission-card,
.vision-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--color-mid-gray);
  transition: all var(--transition);
}

.mission-card:hover,
.vision-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.mission-card__icon,
.vision-card__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: rgba(242,153,74,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.mission-card h3,
.vision-card h3 {
  margin-bottom: 12px;
}

.mission-card p,
.vision-card p {
  font-size: 0.95rem;
}

/* Team Section */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.team-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: center;
  border: 1px solid var(--color-mid-gray);
  transition: all var(--transition);
}

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

.team-card__image {
  height: 260px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  color: rgba(255,255,255,0.15);
}

.team-card__info {
  padding: 24px;
}

.team-card__info h4 {
  margin-bottom: 4px;
}

.team-card__role {
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 500;
}

.team-card__bio {
  font-size: 0.88rem;
  margin-top: 12px;
}

/* Locations */
.locations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.location-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--color-mid-gray);
  text-align: center;
  transition: all var(--transition);
}

.location-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.location-card__icon {
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.location-card h4 {
  margin-bottom: 4px;
}

.location-card p {
  font-size: 0.85rem;
}

/* ---------- Services Page ---------- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px 0;
  border-bottom: 1px solid var(--color-mid-gray);
}

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

.service-detail.reverse {
  direction: rtl;
}

.service-detail.reverse > * {
  direction: ltr;
}

.service-detail__content h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.service-detail__content p {
  margin-bottom: 20px;
}

.service-detail__list {
  list-style: none;
  padding: 0;
}

.service-detail__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.95rem;
  color: var(--color-text-light);
}

.service-detail__list li::before {
  content: '\2713';
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: rgba(242,153,74,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 700;
}

.service-detail__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-detail__placeholder {
  width: 100%;
  height: 360px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255,255,255,0.2);
}

.service-detail__placeholder--residential {
  background: linear-gradient(135deg, #3a7bd5, #5b9fe3);
}

.service-detail__placeholder--commercial {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
}

.service-detail__placeholder--renovation {
  background: linear-gradient(135deg, #F2994A, #f5b97a);
}

.service-detail__placeholder--pm {
  background: linear-gradient(135deg, #27AE60, #2ecc71);
}

.service-detail__placeholder--infrastructure {
  background: linear-gradient(135deg, #6B7280, #9ca3af);
}

.service-detail__placeholder--sustainable {
  background: linear-gradient(135deg, #27AE60, #6BCB77);
}

/* ---------- Contact Page ---------- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-mid-gray);
}

.contact-form h3 {
  margin-bottom: 8px;
}

.contact-form > p {
  margin-bottom: 32px;
  font-size: 0.95rem;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--color-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-mid-gray);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  background: var(--color-white);
  color: var(--color-text);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.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(242,153,74,0.1);
}

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

.form-group input.error,
.form-group textarea.error {
  border-color: var(--color-error);
}

.form-group .error-message {
  color: var(--color-error);
  font-size: 0.8rem;
  margin-top: 4px;
  display: none;
}

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

.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

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

.form-success__icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.form-success h3 {
  color: var(--color-success);
  margin-bottom: 8px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-info-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--color-mid-gray);
}

.contact-info-card h4 {
  margin-bottom: 16px;
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
}

.contact-info__item:last-child {
  margin-bottom: 0;
}

.contact-info__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(242,153,74,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
}

.contact-info__text h5 {
  font-size: 0.9rem;
  margin-bottom: 2px;
  color: var(--color-primary);
}

.contact-info__text p {
  font-size: 0.88rem;
}

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 280px;
  background: var(--color-light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-mid-gray);
}

.contact-map__placeholder {
  text-align: center;
  color: var(--color-text-light);
}

.contact-map__placeholder .icon {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

/* ---------- Footer ---------- */
.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 80px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer__brand p {
  color: rgba(255,255,255,0.6);
  font-size: 0.92rem;
  margin: 16px 0 24px;
  max-width: 300px;
}

.footer__social {
  display: flex;
  gap: 12px;
}

.footer__social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 0.85rem;
  transition: all var(--transition);
}

.footer__social-link:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
}

.footer__column h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.footer__column h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-accent);
}

.footer__links li {
  margin-bottom: 10px;
}

.footer__links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: all var(--transition);
}

.footer__links a:hover {
  color: var(--color-accent);
  padding-left: 6px;
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.footer__contact-icon {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-accent);
  font-size: 0.9rem;
}

.footer__contact-text {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
}

.footer__bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__bottom p {
  color: rgba(255,255,255,0.4);
  font-size: 0.85rem;
}

.footer__bottom-links {
  display: flex;
  gap: 24px;
}

.footer__bottom-links a {
  color: rgba(255,255,255,0.4);
  font-size: 0.85rem;
}

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

/* ---------- 404 Page ---------- */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}

.error-page__pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(242,153,74,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242,153,74,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.error-page__content {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 40px 20px;
}

.error-page__code {
  font-family: var(--font-heading);
  font-size: clamp(6rem, 15vw, 10rem);
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.9;
}

.error-page__construction {
  font-size: 3rem;
  margin-bottom: 24px;
}

.error-page h2 {
  color: var(--color-white);
  margin-bottom: 12px;
}

.error-page p {
  color: rgba(255,255,255,0.6);
  font-size: 1.05rem;
  margin-bottom: 36px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.error-page__bar {
  width: 100%;
  max-width: 400px;
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  margin: 0 auto 40px;
  overflow: hidden;
}

.error-page__bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
  border-radius: 3px;
  width: 0%;
  animation: progress-fill 3s ease-in-out infinite;
}

@keyframes progress-fill {
  0% { width: 0%; margin-left: 0; }
  50% { width: 60%; }
  100% { width: 0%; margin-left: 100%; }
}

/* ---------- Scroll to Top ---------- */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-accent);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
  z-index: 999;
  cursor: pointer;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
}

/* ---------- Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .why-us__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-story__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .service-detail {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .service-detail.reverse {
    direction: ltr;
  }

  .contact__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .mission-vision__grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .nav__toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-white);
    box-shadow: -4px 0 20px rgba(0,0,0,0.1);
    padding: 100px 32px 32px;
    transition: right var(--transition);
    z-index: 999;
  }

  .nav--open {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .nav__link {
    display: block;
    padding: 14px 0;
    width: 100%;
    border-bottom: 1px solid var(--color-mid-gray);
  }

  .nav__cta {
    margin-left: 0;
    margin-top: 20px;
    width: 100%;
  }

  .nav__cta .btn {
    width: 100%;
  }

  .hero__stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .hero__stat-number {
    font-size: 1.5rem;
  }

  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .stats__number {
    font-size: 2.2rem;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

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

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .team-grid {
    grid-template-columns: 1fr;
  }

  .hero__buttons {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-banner__buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 60px 0;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }

  .page-hero {
    padding: 120px 0 60px;
  }

  .hero__stats {
    flex-direction: column;
    gap: 20px;
  }

  .stats__grid {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 24px;
  }

  .locations-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Print Styles ---------- */
@media print {
  .header,
  .scroll-top,
  .cta-banner,
  .footer {
    display: none;
  }

  body {
    font-size: 12pt;
    color: #000;
  }
}