/* ============================================
   IRONBARK CONSTRUCTION - Main Stylesheet
   Rugged, Industrial, Strong
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  --charcoal: #1C1C1C;
  --rust: #C2571A;
  --rust-dark: #9E4515;
  --rust-light: #D4763F;
  --cream: #F5F0E8;
  --warm-gray: #4A4A4A;
  --dark-brown: #2C1A0E;
  --white: #FFFFFF;
  --black: #000000;
  --cream-dark: #E8E0D2;
  --charcoal-light: #2A2A2A;
  --overlay: rgba(28, 28, 28, 0.85);
  --overlay-light: rgba(28, 28, 28, 0.6);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.18);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.25);
  --shadow-xl: 0 16px 60px rgba(0,0,0,0.3);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --font-heading: 'Segoe UI', 'Arial Black', Impact, sans-serif;
  --font-body: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --max-width: 1200px;
  --nav-height: 80px;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--cream);
  color: var(--charcoal);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

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

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.15;
  color: var(--charcoal);
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2.2rem, 6vw, 4.5rem);
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
}

h4 {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
}

p {
  margin-bottom: 1rem;
  color: var(--warm-gray);
}

.text-rust { color: var(--rust); }
.text-cream { color: var(--cream); }
.text-charcoal { color: var(--charcoal); }

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

.section {
  padding: 80px 0;
}

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

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

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

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

.section--brown h2,
.section--brown h3,
.section--brown h4 {
  color: var(--cream);
}

.section--brown p {
  color: var(--cream-dark);
}

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

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

.section-header h2 {
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--rust);
}

.section-header p {
  max-width: 600px;
  margin: 20px auto 0;
  font-size: 1.1rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

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

.btn--primary:hover {
  background: var(--rust-dark);
  border-color: var(--rust-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

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

.btn--outline-light:hover {
  background: var(--cream);
  color: var(--charcoal);
  transform: translateY(-2px);
}

.btn--large {
  padding: 18px 42px;
  font-size: 1.05rem;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--charcoal);
  transition: all var(--transition-base);
  border-bottom: 3px solid var(--rust);
}

.nav.scrolled {
  box-shadow: var(--shadow-lg);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--cream);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--rust);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--white);
  font-weight: 900;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.nav__links {
  display: none;
  flex-direction: column;
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--dark-brown);
  padding: 100px 30px 30px;
  transition: right var(--transition-base);
  z-index: 999;
  box-shadow: var(--shadow-xl);
}

.nav__links.active {
  right: 0;
  display: flex;
}

.nav__link {
  color: var(--cream);
  font-size: 1.1rem;
  font-weight: 600;
  padding: 14px 0;
  border-bottom: 1px solid rgba(245, 240, 232, 0.1);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: color var(--transition-fast);
}

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

.nav__link.active {
  position: relative;
}

.nav__link.active::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  background: var(--rust);
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
  padding: 8px;
  cursor: pointer;
}

.hamburger__line {
  width: 28px;
  height: 3px;
  background: var(--cream);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.hamburger.active .hamburger__line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: translateX(10px);
}

.hamburger.active .hamburger__line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* Nav overlay */
.nav__overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.nav__overlay.active {
  opacity: 1;
  visibility: visible;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: url(https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1920&h=1080&fit=crop) center/cover;
  overflow: hidden;
  padding-top: 140px;
  padding-bottom: 60px;
}

.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero__bg-pattern {
  background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4));
}
.hero__bg-pattern-DISABLED {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 40px,
      rgba(194, 87, 26, 0.04) 40px,
      rgba(194, 87, 26, 0.04) 41px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 40px,
      rgba(194, 87, 26, 0.04) 40px,
      rgba(194, 87, 26, 0.04) 41px
    );
}

.hero__diagonal {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: var(--dark-brown);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
  z-index: 1;
  opacity: 0.4;
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--rust);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 20px;
}

.hero__label::before {
  content: '';
  width: 40px;
  height: 2px;
  background: var(--rust);
}

.hero h1 {
  color: var(--cream);
  margin-bottom: 20px;
}

.hero h1 span {
  color: var(--rust);
  display: block;
}

.hero__text {
  color: var(--cream-dark);
  font-size: 1.15rem;
  max-width: 550px;
  margin-bottom: 30px;
  line-height: 1.8;
}

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

.hero__stats {
  display: flex;
  gap: 30px;
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid rgba(194, 87, 26, 0.3);
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--rust);
  display: block;
  line-height: 1;
}

.hero__stat-label {
  font-size: 0.8rem;
  color: var(--cream-dark);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 4px;
}

/* --- Hero Variations --- */
.hero--small {
  min-height: 50vh;
  padding-top: 140px;
  padding-bottom: 60px;
}

.hero--small h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

/* --- Cards --- */
.card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

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

.card__image {
  width: 100%;
  height: 220px;
  background: url(https://images.unsplash.com/photo-1541888946425-d81bb19240f5?w=600&h=400&fit=crop) center/cover;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--warm-gray);
  font-size: 0.9rem;
  position: relative;
  overflow: hidden;
}

.card__image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--dark-brown) 100%);
  opacity: 0.9;
}

.card__image-text {
  position: relative;
  z-index: 1;
  color: var(--cream-dark);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.card__body {
  padding: 28px;
}

.card__tag {
  display: inline-block;
  background: var(--cream);
  color: var(--rust);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.card__body h3 {
  margin-bottom: 10px;
  text-transform: none;
  font-size: 1.25rem;
}

.card__body p {
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Service Cards --- */
.service-card {
  background: var(--white);
  padding: 40px 30px;
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  border-bottom: 4px solid transparent;
}

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

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-bottom-color: var(--rust);
}

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

.service-card__icon {
  width: 70px;
  height: 70px;
  background: var(--cream);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
  transition: all var(--transition-base);
}

.service-card:hover .service-card__icon {
  background: var(--rust);
  color: var(--white);
  transform: scale(1.1);
}

.service-card h3 {
  margin-bottom: 12px;
  text-transform: none;
  font-size: 1.2rem;
}

.service-card p {
  font-size: 0.9rem;
}

/* --- Stats Section --- */
.stats {
  background: var(--dark-brown);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 20px,
      rgba(194, 87, 26, 0.05) 20px,
      rgba(194, 87, 26, 0.05) 21px
    );
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  position: relative;
  z-index: 1;
}

.stats__item {
  text-align: center;
  padding: 20px;
}

.stats__number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--rust);
  line-height: 1;
  margin-bottom: 8px;
}

.stats__label {
  color: var(--cream-dark);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

/* --- Featured Projects --- */
.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.project-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.project-card__image {
  width: 100%;
  height: 280px;
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--dark-brown) 50%, var(--charcoal-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card__image-text {
  color: var(--cream-dark);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.project-card__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 30px;
  background: linear-gradient(transparent, rgba(28, 28, 28, 0.95));
  transform: translateY(20px);
  opacity: 0.8;
  transition: all var(--transition-base);
}

.project-card:hover .project-card__overlay {
  transform: translateY(0);
  opacity: 1;
}

.project-card__category {
  display: inline-block;
  background: var(--rust);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 8px;
}

.project-card__overlay h3 {
  color: var(--cream);
  text-transform: none;
  font-size: 1.2rem;
  margin-bottom: 4px;
}

.project-card__overlay p {
  color: var(--cream-dark);
  font-size: 0.85rem;
  margin-bottom: 0;
}

/* --- CTA Section --- */
.cta {
  background: var(--rust);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  border: 60px solid rgba(255,255,255,0.05);
  border-radius: 50%;
}

.cta::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px;
  height: 300px;
  border: 40px solid rgba(255,255,255,0.05);
  border-radius: 50%;
}

.cta h2 {
  color: var(--white);
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta p {
  color: rgba(255,255,255,0.9);
  max-width: 600px;
  margin: 0 auto 30px;
  font-size: 1.1rem;
  position: relative;
  z-index: 1;
}

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

/* --- About Page --- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.about-intro__image {
  width: 100%;
  height: 350px;
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--dark-brown) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cream-dark);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  overflow: hidden;
}

.about-intro__image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--rust);
}

.about-intro__content h2 {
  text-align: left;
  margin-bottom: 20px;
}

.about-intro__content h2::after {
  display: none;
}

.label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--rust);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.label::before {
  content: '';
  width: 30px;
  height: 2px;
  background: var(--rust);
}

/* Values */
.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.value-card {
  background: var(--charcoal-light);
  padding: 32px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--rust);
  transition: all var(--transition-base);
}

.value-card:hover {
  transform: translateX(6px);
}

.value-card__icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}

.value-card h3 {
  color: var(--cream);
  margin-bottom: 10px;
  text-transform: none;
  font-size: 1.15rem;
}

.value-card p {
  color: var(--cream-dark);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.team-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.team-card__image {
  width: 100%;
  height: 240px;
  background: linear-gradient(135deg, var(--warm-gray) 0%, var(--charcoal) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cream-dark);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.team-card__body {
  padding: 24px;
  text-align: center;
}

.team-card__body h3 {
  text-transform: none;
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.team-card__role {
  color: var(--rust);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  display: block;
}

.team-card__body p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* Safety */
.safety-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.safety-item {
  text-align: center;
  padding: 30px 20px;
  background: var(--cream);
  border-radius: var(--radius-md);
}

.safety-item__number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--rust);
  line-height: 1;
  margin-bottom: 8px;
}

.safety-item__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--warm-gray);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --- Services Page --- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.service-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.service-detail:hover {
  box-shadow: var(--shadow-md);
}

.service-detail__image {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--dark-brown) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cream-dark);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.service-detail__content {
  padding: 30px;
}

.service-detail__number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  color: var(--cream-dark);
  line-height: 1;
  margin-bottom: 10px;
}

.service-detail__content h3 {
  text-transform: none;
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.service-detail__content p {
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.service-detail__features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-detail__feature {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--cream);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--warm-gray);
}

.service-detail__feature::before {
  content: '✓';
  color: var(--rust);
  font-weight: 700;
}

/* --- Projects Page --- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 10px 24px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 2px solid var(--charcoal);
  border-radius: 30px;
  color: var(--charcoal);
  background: transparent;
  transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--charcoal);
  color: var(--cream);
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.project-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.project-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.project-item__image {
  width: 100%;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.project-item__image--1 {
  background: linear-gradient(135deg, #2C1A0E, #4A4A4A);
}
.project-item__image--2 {
  background: linear-gradient(135deg, #1C1C1C, #2C1A0E);
}
.project-item__image--3 {
  background: linear-gradient(135deg, #4A4A4A, #1C1C1C);
}
.project-item__image--4 {
  background: linear-gradient(135deg, #2C1A0E, #1C1C1C);
}
.project-item__image--5 {
  background: linear-gradient(135deg, #1C1C1C, #4A4A4A);
}
.project-item__image--6 {
  background: linear-gradient(135deg, #4A4A4A, #2C1A0E);
}

.project-item__image-text {
  color: var(--cream-dark);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  z-index: 1;
}

.project-item__info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 24px;
  background: linear-gradient(transparent, rgba(28,28,28,0.95));
}

.project-item__info h3 {
  color: var(--cream);
  text-transform: none;
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.project-item__info p {
  color: var(--cream-dark);
  font-size: 0.85rem;
  margin-bottom: 0;
}

/* --- Process Page --- */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--rust);
  border-radius: 2px;
}

.timeline__step {
  position: relative;
  padding-bottom: 50px;
}

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

.timeline__dot {
  position: absolute;
  left: -34px;
  top: 4px;
  width: 24px;
  height: 24px;
  background: var(--rust);
  border-radius: 50%;
  border: 4px solid var(--cream);
  z-index: 1;
}

.timeline__step-number {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 900;
  color: var(--rust);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.timeline__step h3 {
  text-transform: none;
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.timeline__step p {
  font-size: 0.95rem;
  max-width: 600px;
}

.timeline__step-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.timeline__step-feature {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--white);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--warm-gray);
  box-shadow: var(--shadow-sm);
}

/* Dark section timeline */
.section--dark .timeline::before {
  background: var(--rust);
}

.section--dark .timeline__dot {
  border-color: var(--charcoal);
}

.section--dark .timeline__step-feature {
  background: var(--charcoal-light);
  color: var(--cream-dark);
}

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

.faq-item {
  border-bottom: 1px solid var(--cream-dark);
  overflow: hidden;
}

.faq-item__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--charcoal);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

.faq-item__icon {
  font-size: 1.5rem;
  color: var(--rust);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.active .faq-item__icon {
  transform: rotate(45deg);
}

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

.faq-item.active .faq-item__answer {
  max-height: 300px;
  padding-bottom: 20px;
}

.faq-item__answer p {
  font-size: 0.95rem;
  line-height: 1.8;
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.contact-form {
  background: var(--white);
  padding: 40px 30px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  text-transform: none;
  margin-bottom: 24px;
  font-size: 1.4rem;
}

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

.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--charcoal);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--cream-dark);
  border-radius: var(--radius-sm);
  background: var(--cream);
  color: var(--charcoal);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--rust);
  background: var(--white);
}

.form-group textarea {
  height: 140px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.contact-info-card {
  background: var(--charcoal);
  padding: 30px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--rust);
}

.contact-info-card__icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
  display: block;
}

.contact-info-card h4 {
  color: var(--cream);
  text-transform: none;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.contact-info-card p {
  color: var(--cream-dark);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.contact-info-card a {
  color: var(--rust-light);
  transition: color var(--transition-fast);
}

.contact-info-card a:hover {
  color: var(--rust);
}

.site-visit {
  background: var(--dark-brown);
  padding: 30px;
  border-radius: var(--radius-md);
  text-align: center;
}

.site-visit h3 {
  color: var(--cream);
  text-transform: none;
  margin-bottom: 12px;
}

.site-visit p {
  color: var(--cream-dark);
  margin-bottom: 20px;
}

/* Map placeholder */
.map-placeholder {
  width: 100%;
  height: 300px;
  background: linear-gradient(135deg, var(--charcoal) 0%, var(--warm-gray) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cream-dark);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 30px;
}

/* --- Footer --- */
.footer {
  background: var(--charcoal);
  color: var(--cream);
  padding: 60px 0 0;
  border-top: 4px solid var(--rust);
}

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

.footer__brand h3 {
  color: var(--cream);
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.footer__brand p {
  color: var(--cream-dark);
  font-size: 0.9rem;
}

.footer__links h4,
.footer__contact h4 {
  color: var(--cream);
  font-size: 1rem;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer__links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  color: var(--cream-dark);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer__contact p {
  color: var(--cream-dark);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.footer__bottom {
  border-top: 1px solid rgba(245, 240, 232, 0.1);
  padding: 20px 0;
  text-align: center;
}

.footer__bottom p {
  font-size: 0.85rem;
  color: var(--cream-dark);
  margin-bottom: 0;
}

.footer__bottom a {
  color: var(--rust);
  font-weight: 600;
  transition: color var(--transition-fast);
}

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

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal--left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal--left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal--right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal--right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal--scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal--scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.revealed > *:nth-child(1) { transition-delay: 0s; }
.stagger-children.revealed > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.revealed > *:nth-child(3) { transition-delay: 0.2s; }
.stagger-children.revealed > *:nth-child(4) { transition-delay: 0.3s; }
.stagger-children.revealed > *:nth-child(5) { transition-delay: 0.4s; }
.stagger-children.revealed > *:nth-child(6) { transition-delay: 0.5s; }

.stagger-children.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive: Tablet --- */
@media (min-width: 600px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

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

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

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

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

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

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

/* --- Responsive: Desktop --- */
@media (min-width: 900px) {
  .nav__links {
    display: flex;
    flex-direction: row;
    position: static;
    width: auto;
    height: auto;
    background: transparent;
    padding: 0;
    gap: 4px;
    box-shadow: none;
  }

  .nav__link {
    padding: 8px 16px;
    font-size: 0.85rem;
    border-bottom: none;
  }

  .nav__link.active::before {
    display: none;
  }

  .nav__link.active {
    color: var(--rust);
    position: relative;
  }

  .nav__link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--rust);
    border-radius: 2px;
  }

  .hamburger {
    display: none;
  }

  .nav__overlay {
    display: none;
  }

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

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

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

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

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

  .contact-grid {
    grid-template-columns: 3fr 2fr;
  }

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

  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .section {
    padding: 100px 0;
  }

  .hero__stats {
    gap: 50px;
  }
}

@media (min-width: 1100px) {
  .container {
    padding: 0 40px;
  }
}