/* ==========================================================================
   TYAGI FABRICATION & FACADE PRIVATE LIMITED - MASTER STYLESHEET
   Architectural Fabrication & Modern Facade Engineering
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --color-charcoal: #111315;
  --color-graphite: #202428;
  --color-surface-dark: #181b1e;
  --color-surface-card: #252a30;
  --color-warm-ivory: #F4F1EA;
  --color-light-bg: #FAF9F6;
  --color-white: #FFFFFF;
  --color-metallic-silver: #B8BEC4;
  --color-copper: #B77A4A;
  --color-copper-hover: #c98c5b;
  --color-copper-light: rgba(183, 122, 74, 0.12);
  --color-border-dark: rgba(184, 190, 196, 0.15);
  --color-border-light: rgba(17, 19, 21, 0.1);
  --color-text-main: #1d2125;
  --color-text-muted: #626971;
  --color-text-light: #F4F1EA;
  --color-text-light-muted: #A3ABB4;

  --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.22);
  --shadow-glow: 0 0 30px rgba(183, 122, 74, 0.25);

  --container-max: 1320px;
  --header-height: 80px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text-main);
  background-color: var(--color-light-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: inherit;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

p {
  margin-bottom: 1rem;
}

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

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

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

ul, ol {
  list-style: none;
}

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

:focus-visible {
  outline: 2px solid var(--color-copper);
  outline-offset: 3px;
}

/* ----------------- Container & Layout ----------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.container-narrow {
  max-width: 960px;
}

.section {
  padding-top: 96px;
  padding-bottom: 96px;
  position: relative;
}

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

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

.section-ivory {
  background-color: var(--color-warm-ivory);
  color: var(--color-text-main);
}

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

/* ----------------- Architectural Accents ----------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-copper);
  margin-bottom: 16px;
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 2px;
  background-color: var(--color-copper);
}

.eyebrow-light {
  color: var(--color-metallic-silver);
}
.eyebrow-light::before {
  background-color: var(--color-metallic-silver);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.025em;
}

.section-lead {
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 680px;
  line-height: 1.6;
}

.section-dark .section-lead,
.section-graphite .section-lead {
  color: var(--color-text-light-muted);
}

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

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

.section-header.text-center .eyebrow::before {
  display: none;
}
.section-header.text-center .eyebrow::after {
  content: '';
  display: inline-block;
  width: 20px;
  height: 2px;
  background-color: currentColor;
}
.section-header.text-center .eyebrow {
  justify-content: center;
}
.section-header.text-center .section-lead {
  margin-left: auto;
  margin-right: auto;
}

/* ----------------- Buttons ----------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-copper);
  color: var(--color-white);
  border-color: var(--color-copper);
  box-shadow: 0 4px 16px rgba(183, 122, 74, 0.3);
}

.btn-primary:hover {
  background-color: var(--color-copper-hover);
  border-color: var(--color-copper-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(183, 122, 74, 0.4);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-light);
  border-color: var(--color-metallic-silver);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--color-white);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-secondary-dark {
  background-color: transparent;
  color: var(--color-charcoal);
  border-color: rgba(17, 19, 21, 0.3);
}

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

.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
  border-color: #25D366;
}

.btn-whatsapp:hover {
  background-color: #20BA5A;
  border-color: #20BA5A;
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1rem;
}

.btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn-whatsapp svg,
.btn-secondary svg {
  transform: none;
}

/* ----------------- Header & Navigation ----------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background-color: rgba(17, 19, 21, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(184, 190, 196, 0.12);
  transition: background-color var(--transition-smooth), height var(--transition-smooth), border-color var(--transition-smooth);
}

.site-header.scrolled {
  background-color: rgba(17, 19, 21, 0.98);
  height: 70px;
  border-bottom-color: rgba(183, 122, 74, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-white);
  text-decoration: none;
}

.brand-monogram {
  width: 44px;
  height: 44px;
  border: 1.5px solid var(--color-copper);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(183, 122, 74, 0.25), transparent);
  position: relative;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-white);
}

.brand-monogram::after {
  content: '';
  position: absolute;
  top: 2px;
  right: 2px;
  width: 6px;
  height: 6px;
  background-color: var(--color-copper);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-white);
  text-transform: uppercase;
  line-height: 1.1;
}

.brand-name span {
  color: var(--color-copper);
}

.brand-tagline {
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-metallic-silver);
  margin-top: 2px;
  font-weight: 500;
}

.nav-desktop {
  display: none;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: 28px;
  }
}

.nav-desktop-list {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--color-text-light);
  padding: 8px 4px;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-copper);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-copper);
}

/* Dropdown */
.nav-item-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.nav-dropdown-trigger svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
  transition: transform var(--transition-fast);
}

.nav-item-dropdown:hover .nav-dropdown-trigger svg {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: -20px;
  min-width: 260px;
  background-color: var(--color-charcoal);
  border: 1px solid var(--color-border-dark);
  border-top: 2px solid var(--color-copper);
  box-shadow: var(--shadow-lg);
  padding: 12px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 100;
}

.nav-item-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 10px 24px;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  color: var(--color-text-light-muted);
  transition: all var(--transition-fast);
}

.dropdown-link:hover,
.dropdown-link.active {
  color: var(--color-white);
  background-color: rgba(183, 122, 74, 0.15);
  padding-left: 28px;
}

.header-actions {
  display: none;
}

@media (min-width: 1024px) {
  .header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
  }
}

.header-phone-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-light);
  font-family: var(--font-heading);
}

.header-phone-link:hover {
  color: var(--color-copper);
}

/* Hamburger toggle */
.hamburger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

@media (min-width: 1024px) {
  .hamburger-btn {
    display: none;
  }
}

.hamburger-line {
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  transition: all var(--transition-smooth);
}

.hamburger-btn.active .hamburger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.hamburger-btn.active .hamburger-line:nth-child(2) {
  opacity: 0;
}
.hamburger-btn.active .hamburger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 380px;
  height: 100vh;
  background-color: var(--color-charcoal);
  border-left: 1px solid var(--color-border-dark);
  z-index: 999;
  padding: 100px 32px 40px;
  overflow-y: auto;
  transition: right var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

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

.mobile-nav-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-smooth);
}

.mobile-nav-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-light);
  display: block;
  padding: 6px 0;
}

.mobile-nav-link.active,
.mobile-nav-link:hover {
  color: var(--color-copper);
}

.mobile-services-sublist {
  padding-left: 18px;
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-left: 2px solid var(--color-copper);
}

.mobile-sub-link {
  font-size: 0.9375rem;
  color: var(--color-text-light-muted);
}
.mobile-sub-link:hover,
.mobile-sub-link.active {
  color: var(--color-white);
}

.mobile-drawer-footer {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border-dark);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ----------------- Page Banner / Hero (Inner Pages) ----------------- */
.page-hero {
  padding-top: 160px;
  padding-bottom: 80px;
  background-color: var(--color-charcoal);
  color: var(--color-text-light);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border-dark);
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(183, 122, 74, 0.12), transparent 50%),
                    linear-gradient(rgba(184, 190, 196, 0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(184, 190, 196, 0.03) 1px, transparent 1px);
  background-size: 100% 100%, 40px 40px, 40px 40px;
  pointer-events: none;
}

.page-hero-title {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.page-hero-desc {
  font-size: clamp(1.125rem, 1.5vw, 1.35rem);
  color: var(--color-text-light-muted);
  max-width: 720px;
  line-height: 1.6;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light-muted);
  margin-bottom: 24px;
}

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

.breadcrumb span.divider {
  color: var(--color-copper);
}

/* ----------------- Home Hero Cinematic ----------------- */
.home-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--color-charcoal);
  color: var(--color-white);
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
  overflow: hidden;
}

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

.hero-background-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  filter: brightness(0.42) contrast(1.1);
  transform: scale(1.04);
  transition: transform 10s ease-out;
}

.home-hero:hover .hero-background-media img {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(17, 19, 21, 0.7) 0%, rgba(17, 19, 21, 0.85) 80%, var(--color-charcoal) 100%);
  z-index: 2;
}

.hero-grid-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(rgba(184, 190, 196, 0.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(184, 190, 196, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 3;
  pointer-events: none;
}

.home-hero-content {
  position: relative;
  z-index: 4;
  max-width: 860px;
}

.hero-title {
  font-size: clamp(2.75rem, 5.5vw, 4.75rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-title .copper-text {
  color: var(--color-copper);
}

.hero-lead {
  font-size: clamp(1.125rem, 1.8vw, 1.35rem);
  color: var(--color-warm-ivory);
  max-width: 680px;
  margin-bottom: 36px;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.hero-stats-bar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 60px;
  padding-top: 36px;
  border-top: 1px solid rgba(184, 190, 196, 0.2);
}

@media (min-width: 640px) {
  .hero-stats-bar {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-light-muted);
  font-family: var(--font-heading);
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-white);
  margin-top: 4px;
}

/* ----------------- Architectural Grids & Cards ----------------- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

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

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Feature & Service Card */
.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
  position: relative;
}

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

.service-card-image {
  position: relative;
  width: 100%;
  height: 240px;
  overflow: hidden;
  background-color: var(--color-graphite);
}

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

.service-card:hover .service-card-image img {
  transform: scale(1.06);
}

.service-card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background-color: rgba(17, 19, 21, 0.85);
  color: var(--color-warm-ivory);
  font-size: 0.75rem;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-left: 2px solid var(--color-copper);
}

.service-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-card-number {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-copper);
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.service-card-title {
  font-size: 1.35rem;
  margin-bottom: 12px;
  color: var(--color-charcoal);
}

.service-card-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-charcoal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: auto;
}

.service-card-link svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  transition: transform var(--transition-fast);
}

.service-card:hover .service-card-link {
  color: var(--color-copper);
}
.service-card:hover .service-card-link svg {
  transform: translateX(4px);
}

/* Dark variant of Service Card */
.service-card-dark {
  background-color: var(--color-surface-card);
  border-color: var(--color-border-dark);
}

.service-card-dark .service-card-title {
  color: var(--color-white);
}

.service-card-dark .service-card-desc {
  color: var(--color-text-light-muted);
}

.service-card-dark .service-card-link {
  color: var(--color-warm-ivory);
}
.service-card-dark:hover .service-card-link {
  color: var(--color-copper);
}

/* ----------------- Split Editorial Row ----------------- */
.editorial-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 1024px) {
  .editorial-row {
    grid-template-columns: 1fr 1fr;
    gap: 72px;
  }
  .editorial-row.reverse {
    direction: rtl;
  }
  .editorial-row.reverse > * {
    direction: ltr;
  }
}

.editorial-media {
  position: relative;
}

.editorial-image-frame {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.editorial-image-frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.editorial-image-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  pointer-events: none;
}

.editorial-caption-tag {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background-color: rgba(17, 19, 21, 0.9);
  color: var(--color-warm-ivory);
  font-size: 0.75rem;
  font-family: var(--font-heading);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-left: 2px solid var(--color-copper);
}

.editorial-content-block {
  display: flex;
  flex-direction: column;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 28px 0;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feature-icon-bullet {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--color-copper-light);
  color: var(--color-copper);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-icon-bullet svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

.feature-text {
  font-size: 0.9375rem;
  line-height: 1.55;
}

.feature-text strong {
  color: var(--color-charcoal);
  font-family: var(--font-heading);
}

.section-dark .feature-text strong,
.section-graphite .feature-text strong {
  color: var(--color-white);
}

/* ----------------- 4-Step Process ----------------- */
.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 640px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .process-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process-step {
  position: relative;
  background-color: var(--color-surface-card);
  padding: 32px 24px;
  border-top: 2px solid var(--color-copper);
  border-left: 1px solid var(--color-border-dark);
  border-right: 1px solid var(--color-border-dark);
  border-bottom: 1px solid var(--color-border-dark);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
}

.process-number {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-copper);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.85;
}

.process-title {
  font-size: 1.25rem;
  color: var(--color-white);
  margin-bottom: 10px;
}

.process-desc {
  font-size: 0.875rem;
  color: var(--color-text-light-muted);
  line-height: 1.6;
}

/* ----------------- Applications Showcase ----------------- */
.app-tabs-container {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.app-box {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.app-box-header {
  padding: 24px 32px;
  background-color: var(--color-warm-ivory);
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-box-title {
  font-size: 1.5rem;
  color: var(--color-charcoal);
}

.app-box-body {
  padding: 32px;
}

.app-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.app-item-pill {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background-color: var(--color-light-bg);
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  font-size: 0.9375rem;
  font-weight: 500;
}

.app-item-pill svg {
  width: 16px;
  height: 16px;
  fill: var(--color-copper);
  flex-shrink: 0;
}

/* ----------------- Projects & Filterable Gallery ----------------- */
.gallery-filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 10px 20px;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background-color: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-light);
  border-radius: 30px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.section-dark .filter-btn {
  color: var(--color-text-light-muted);
  border-color: var(--color-border-dark);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--color-copper);
  border-color: var(--color-copper);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(183, 122, 74, 0.3);
}

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

@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-item {
  position: relative;
  background-color: var(--color-graphite);
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
}

.gallery-item.hidden {
  display: none;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow), filter var(--transition-fast);
}

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

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(17, 19, 21, 0.95) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0.9;
  transition: opacity var(--transition-fast);
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-badge {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-copper);
  margin-bottom: 6px;
  font-weight: 600;
}

.gallery-item-title {
  font-size: 1.15rem;
  color: var(--color-white);
  margin-bottom: 4px;
}

.gallery-item-desc {
  font-size: 0.8125rem;
  color: var(--color-text-light-muted);
}

.gallery-item-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.gallery-status-tag {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-metallic-silver);
}

.gallery-zoom-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-copper);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-zoom-icon svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background-color: rgba(17, 19, 21, 0.96);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  padding: 24px;
}

.lightbox-modal.open {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  position: relative;
  max-width: 1100px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-image-wrapper {
  max-height: 75vh;
  width: auto;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-dark);
}

.lightbox-image-wrapper img {
  max-height: 75vh;
  max-width: 100%;
  object-fit: contain;
}

.lightbox-caption-box {
  margin-top: 16px;
  text-align: center;
  color: var(--color-white);
  max-width: 700px;
}

.lightbox-title {
  font-size: 1.25rem;
  margin-bottom: 6px;
}

.lightbox-desc {
  font-size: 0.875rem;
  color: var(--color-text-light-muted);
}

.lightbox-close {
  position: absolute;
  top: -48px;
  right: 0;
  background: transparent;
  border: none;
  color: var(--color-white);
  font-size: 2rem;
  cursor: pointer;
  padding: 8px;
  line-height: 1;
}

.lightbox-close:hover {
  color: var(--color-copper);
}

.lightbox-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(32, 36, 40, 0.8);
  border: 1px solid var(--color-border-dark);
  color: var(--color-white);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lightbox-arrow:hover {
  background-color: var(--color-copper);
  border-color: var(--color-copper);
}

.lightbox-arrow svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

/* ----------------- Contact Page & Forms ----------------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 1024px) {
  .contact-layout {
    grid-template-columns: 1fr 1.3fr;
    gap: 64px;
  }
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  padding: 28px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 4px;
  background-color: var(--color-copper-light);
  color: var(--color-copper);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card-icon svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.contact-card-content h3 {
  font-size: 1.125rem;
  margin-bottom: 6px;
}

.contact-card-content p,
.contact-card-content a {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.contact-card-content a:hover {
  color: var(--color-copper);
}

.form-shell {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  padding: 40px;
  box-shadow: var(--shadow-md);
}

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

@media (min-width: 640px) {
  .form-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-charcoal);
}

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

.form-control {
  width: 100%;
  padding: 12px 16px;
  background-color: var(--color-light-bg);
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  color: var(--color-text-main);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-copper);
  background-color: var(--color-white);
}

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

.field-error-text {
  font-size: 0.75rem;
  color: #E53E3E;
  display: none;
}

.field-error-text.visible {
  display: block;
}

.form-alert {
  padding: 16px 20px;
  border-radius: 4px;
  margin-bottom: 24px;
  display: none;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.form-alert.success {
  display: block;
  background-color: #E6FFFA;
  border: 1px solid #38B2AC;
  color: #234E52;
}

.form-alert.error {
  display: block;
  background-color: #FFF5F5;
  border: 1px solid #FEB2B2;
  color: #9B2C2C;
}

/* ----------------- High Impact Closing CTA ----------------- */
.closing-cta {
  background: linear-gradient(135deg, var(--color-charcoal) 0%, var(--color-graphite) 100%);
  color: var(--color-white);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--color-border-dark);
}

.closing-cta::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 100%;
  background: radial-gradient(circle, rgba(183, 122, 74, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-flex-box {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: flex-start;
  justify-content: space-between;
}

@media (min-width: 1024px) {
  .cta-flex-box {
    flex-direction: row;
    align-items: center;
  }
}

.cta-text-side {
  max-width: 680px;
}

.cta-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 12px;
}

.cta-desc {
  font-size: 1.0625rem;
  color: var(--color-text-light-muted);
}

.cta-buttons-side {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

/* ----------------- Footer ----------------- */
.site-footer {
  background-color: #0c0e10;
  color: var(--color-text-light);
  padding-top: 80px;
  padding-bottom: 40px;
  border-top: 1px solid rgba(184, 190, 196, 0.1);
  font-size: 0.9375rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

@media (min-width: 640px) {
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-top {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
  }
}

.footer-col-brand p {
  color: var(--color-text-light-muted);
  font-size: 0.875rem;
  margin-top: 16px;
  max-width: 320px;
  line-height: 1.6;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
}

.footer-heading::after {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-copper);
  margin-top: 8px;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: var(--color-text-light-muted);
  font-size: 0.875rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-copper);
  padding-left: 4px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--color-text-light-muted);
  font-size: 0.875rem;
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  fill: var(--color-copper);
  flex-shrink: 0;
  margin-top: 4px;
}

.footer-contact-item a:hover {
  color: var(--color-copper);
}

.footer-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(183, 122, 74, 0.12);
  border: 1px solid rgba(183, 122, 74, 0.3);
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--color-copper);
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 14px;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(184, 190, 196, 0.08);
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    text-align: left;
  }
}

.footer-copyright {
  font-size: 0.8125rem;
  color: var(--color-text-light-muted);
}

.footer-legal-links {
  display: flex;
  gap: 20px;
  font-size: 0.8125rem;
  color: var(--color-text-light-muted);
}

/* ----------------- Floating Mobile Quick Bar ----------------- */
.mobile-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(17, 19, 21, 0.96);
  border-top: 1px solid var(--color-copper);
  padding: 10px 16px;
  display: flex;
  gap: 12px;
  z-index: 990;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.3);
}

@media (min-width: 1024px) {
  .mobile-sticky-cta {
    display: none;
  }
}

.mobile-sticky-cta .btn {
  flex: 1;
  padding: 10px 14px;
  font-size: 0.8125rem;
}

/* ----------------- Factsheet & Verification Box ----------------- */
.factsheet-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-left: 3px solid var(--color-copper);
  border-radius: 4px;
  padding: 24px 28px;
}

.factsheet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 16px;
}

.factsheet-item dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  font-family: var(--font-heading);
}

.factsheet-item dd {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-charcoal);
  margin-top: 4px;
}

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

.skip-to-content {
  position: absolute;
  top: -100px;
  left: 20px;
  background-color: var(--color-copper);
  color: var(--color-white);
  padding: 12px 20px;
  z-index: 9999;
  font-weight: 600;
  border-radius: 4px;
  transition: top var(--transition-fast);
}

.skip-to-content:focus {
  top: 20px;
}