/* ==========================================================================
   GOLD WING ENGINEERING — CORE DESIGN SYSTEM & TOKENS
   Legal Entity: Gold Wing Investment SPC | Muscat, Oman
   Engineered by LIX (https://lix-eg.com)
   ========================================================================== */

/* Google Fonts Import: Manrope (English) & Alexandria (Arabic) */
@import url('https://fonts.googleapis.com/css2?family=Alexandria:wght@300;400;500;600;700;800&family=Manrope:wght@300;400;500;600;700;800&display=swap');

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS & CSS VARIABLES
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette */
  --color-teal: #0B3F4D;
  /* Deep Engineering Teal */
  --color-teal-dark: #072B35;
  /* Deep Teal Darkened */
  --color-ink: #0A2027;
  /* Dark Ink Background/Text */
  --color-ivory: #F4F0E7;
  /* Warm Architectural Ivory */
  --color-stone: #D9D4CA;
  /* Soft Stone */
  --color-stone-light: #EBE7DF;
  /* Light Stone */
  --color-brass: #B79359;
  /* Restrained Gold / Brass Accent */
  --color-brass-hover: #9E7D47;
  --color-white: #FFFFFF;
  --color-grey: #6D7476;
  /* Functional Grey */
  --color-grey-light: #A0A6A8;
  --color-border: rgba(11, 63, 77, 0.12);
  --color-border-light: rgba(244, 240, 231, 0.15);

  /* Typography Families */
  --font-en: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-ar: 'Alexandria', 'Segoe UI', Tahoma, sans-serif;

  /* Font Scale & Line Heights */
  --font-size-hero: clamp(2.8rem, 6.5vw, 6rem);
  --font-size-h1: clamp(2.2rem, 4.5vw, 4.2rem);
  --font-size-h2: clamp(1.8rem, 3.2vw, 3rem);
  --font-size-h3: clamp(1.35rem, 2vw, 1.85rem);
  --font-size-body: clamp(1.05rem, 1.15vw, 1.2rem);
  --font-size-sm: 0.9rem;
  --font-size-xs: 0.75rem;

  --line-height-heading: 1.12;
  --line-height-body: 1.65;

  /* Grid & Max Widths */
  --max-width-wide: 1440px;
  --max-width-normal: 1240px;
  --max-width-text: 760px;

  /* Spacing Scale */
  --gutter-mobile: 20px;
  --gutter-tablet: 40px;
  --gutter-desktop: 64px;

  --section-padding: clamp(70px, 8vw, 140px);

  /* Transitions & Easing */
  --ease-architectural: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 180ms var(--ease-architectural);
  --transition-normal: 300ms var(--ease-architectural);
  --transition-slow: 600ms var(--ease-architectural);

  /* Header Heights */
  --header-height-top: 96px;
  --header-height-scrolled: 76px;
  --utility-height: 36px;
}

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

html {
  font-family: var(--font-en);
  font-size: 16px;
  background-color: var(--color-ivory);
  color: var(--color-ink);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html[lang="ar"] {
  font-family: var(--font-ar);
}

body {
  line-height: var(--line-height-body);
  overflow-x: hidden;
  position: relative;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

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

ul,
ol {
  list-style: none;
}

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY & HEADINGS
   -------------------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: var(--line-height-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero-heading {
  font-size: var(--font-size-hero);
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.section-heading {
  font-size: var(--font-size-h1);
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.subheading {
  font-size: var(--font-size-h3);
  font-weight: 500;
  color: var(--color-grey);
  margin-bottom: 1rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--font-size-xs);
  text-transform: uppercase;

  font-weight: 700;
  color: var(--color-brass);
  margin-bottom: 1.25rem;
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background-color: var(--color-brass);
}

.body-text {
  font-size: var(--font-size-body);
  color: var(--color-ink);
  max-width: var(--max-width-text);
  margin-bottom: 1.5rem;
}

.body-text-muted {
  color: var(--color-brass);
}

/* --------------------------------------------------------------------------
   4. LAYOUT & CONTAINERS
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width-normal);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter-mobile);
  padding-right: var(--gutter-mobile);
}

.container-wide {
  width: 100%;
  max-width: var(--max-width-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter-mobile);
  padding-right: var(--gutter-mobile);
}

.container-text {
  width: 100%;
  max-width: var(--max-width-text);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter-mobile);
  padding-right: var(--gutter-mobile);
}

@media (min-width: 768px) {

  .container,
  .container-wide,
  .container-text {
    padding-left: var(--gutter-tablet);
    padding-right: var(--gutter-tablet);
  }
}

@media (min-width: 1200px) {

  .container,
  .container-wide,
  .container-text {
    padding-left: var(--gutter-desktop);
    padding-right: var(--gutter-desktop);
  }
}

.section {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
  position: relative;
}

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

.section-dark .subheading,
.section-dark .body-text-muted {
  color: var(--color-stone);
}

.section-ink {
  background-color: var(--color-ink);
  color: var(--color-ivory);
}

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

/* Architectural Grid lines background motif */
.grid-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(11, 63, 77, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(11, 63, 77, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
}

.section-dark .grid-bg {
  background-image:
    linear-gradient(to right, rgba(244, 240, 231, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(244, 240, 231, 0.04) 1px, transparent 1px);
}

/* --------------------------------------------------------------------------
   5. BUTTONS & UI CONTROLS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.95rem 1.85rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: all var(--transition-fast);
  position: relative;
  min-height: 48px;
  cursor: pointer;
  user-select: none;
}

.btn-primary {
  background-color: var(--color-teal);
  color: var(--color-ivory);
  border: 1px solid var(--color-teal);
}

.btn-primary:hover {
  background-color: var(--color-teal-dark);
  border-color: var(--color-teal-dark);
  color: var(--color-white);
}

.btn-brass {
  background-color: var(--color-brass);
  color: var(--color-ink);
  border: 1px solid var(--color-brass);
}

.btn-brass:hover {
  background-color: var(--color-brass-hover);
  border-color: var(--color-brass-hover);
  color: var(--color-white);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-teal);
  border: 1px solid var(--color-teal);
}

.btn-outline:hover {
  background-color: var(--color-teal);
  color: var(--color-ivory);
}

.btn-outline-light {
  background-color: transparent;
  color: var(--color-ivory);
  border: 1px solid rgba(244, 240, 231, 0.4);
}

.btn-outline-light:hover {
  background-color: var(--color-ivory);
  color: var(--color-teal);
}

.btn-arrow {
  display: inline-block;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   6. PRELOADER
   -------------------------------------------------------------------------- */
#site-preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--color-teal);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-ivory);
  transition: opacity 0.5s var(--ease-architectural), visibility 0.5s var(--ease-architectural);
}

#site-preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-logo {
  width: 140px;
  height: auto;
  margin-bottom: 2rem;
}

.preloader-progress {
  width: 160px;
  height: 2px;
  background: rgba(244, 240, 231, 0.15);
  position: relative;
  overflow: hidden;
}

.preloader-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background-color: var(--color-brass);
  transition: width 0.3s ease;
}

.preloader-text {
  font-size: 0.8rem;

  text-transform: uppercase;
  margin-top: 1rem;
  color: var(--color-stone);
}

/* --------------------------------------------------------------------------
   7. UTILITY BAR & HEADER
   -------------------------------------------------------------------------- */
/* Utility Bar */
.utility-bar {
  background-color: var(--color-teal);
  color: var(--color-ivory);
  font-size: 0.82rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(244, 240, 231, 0.1);
  transition: max-height 0.4s var(--ease-architectural), opacity 0.4s var(--ease-architectural), padding 0.4s;
  max-height: 50px;
  opacity: 1;
  overflow: hidden;
}

body.scrolled-down .utility-bar {
  max-height: 0;
  opacity: 0;
  padding: 0;
}

.utility-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.utility-contacts {
  display: flex;
  gap: 1.5rem;
}

.utility-link {
  color: var(--color-ivory);
  transition: color var(--transition-fast);
}

.utility-link:hover {
  color: var(--color-brass);
}

/* Header Navbar */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(244, 240, 231, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: all 0.35s var(--ease-architectural);
  height: var(--header-height-top);
  display: flex;
  align-items: center;
}

.site-header.scrolled {
  height: 56px;
  background-color: rgba(244, 240, 231, 0.98);
  box-shadow: 0 8px 24px rgba(10, 32, 39, 0.08);
}

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

.logo {
  height: 55px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo img,
.site-logo-img {
  height: 52px;
  width: auto;
  max-height: 56px;
  object-fit: contain;
  transition: height var(--transition-fast);
}

.scrolled .brand-logo img,
.scrolled .site-logo-img {
  height: 42px;
  margin-bottom: 15px;
}

.brand-name {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-teal);
  display: flex;
  flex-direction: column;
  transition: all 0.3s;
}

.scrolled .brand-name {
  font-size: 1.05rem;
}

.brand-subtitle {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-brass);
  margin-top: -3px;
  transition: opacity 0.3s, max-height 0.3s;
}

.scrolled .brand-subtitle {
  opacity: 0;
  max-height: 0;
  overflow: hidden;
}

/* Desktop Sleek Navigation */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 400;

  text-transform: uppercase;
  color: var(--color-ink);
  position: relative;
  padding: 0.5rem 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--color-brass);
  transition: width var(--transition-fast);
}

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

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

/* Mega Menu Dropdown */
.has-dropdown {
  position: relative;
}

.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  width: 720px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: 0 12px 32px rgba(10, 32, 39, 0.1);
  border-radius: 2px;
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 220ms var(--ease-architectural), transform 220ms var(--ease-architectural), visibility 220ms;
  z-index: 1050;
}

.has-dropdown:hover .mega-menu,
.has-dropdown:focus-within .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

.mega-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;

  color: var(--color-brass);
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
}

.mega-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mega-item a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mega-item a:hover {
  color: var(--color-teal);
  transform: translateX(4px);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.lang-switch {
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  color: var(--color-teal);
  transition: all var(--transition-fast);
}

.lang-switch:hover {
  background-color: var(--color-teal);
  color: var(--color-ivory);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 30px;
  height: 24px;
  justify-content: center;
  cursor: pointer;
}

.mobile-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--color-ink);
  transition: all var(--transition-fast);
}

/* Mobile Menu Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--color-ink);
  color: var(--color-ivory);
  z-index: 2000;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateX(-100%);
  transition: transform 0.4s var(--ease-architectural);
  overflow-y: auto;
}

.mobile-drawer.active {
  transform: translateX(0);
}

.mobile-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mobile-close {
  font-size: 2rem;
  color: var(--color-ivory);
  cursor: pointer;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.mobile-nav-link {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-ivory);
}

/* --------------------------------------------------------------------------
   8. PLACEHOLDER IMAGE CONTAINER (SPECIFIED BY USER: DIMENSIONS & LABELS)
   -------------------------------------------------------------------------- */
.arch-placeholder {
  width: 100%;
  background-color: var(--color-stone);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  background-image:
    linear-gradient(45deg, rgba(11, 63, 77, 0.05) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(11, 63, 77, 0.05) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(11, 63, 77, 0.05) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(11, 63, 77, 0.05) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.arch-placeholder-dark {
  background-color: var(--color-teal-dark);
  border-color: rgba(244, 240, 231, 0.2);
  color: var(--color-ivory);
}

.placeholder-aspect-16-9 {
  aspect-ratio: 16 / 9;
}

.placeholder-aspect-4-3 {
  aspect-ratio: 4 / 3;
}

.placeholder-aspect-1-1 {
  aspect-ratio: 1 / 1;
}

.placeholder-icon {
  width: 48px;
  height: 48px;
  stroke: var(--color-brass);
  margin-bottom: 0.75rem;
}

.placeholder-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.placeholder-dimensions {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-grey);
  text-transform: uppercase;
  font-weight: 600;
}

.section-dark .placeholder-dimensions {
  color: var(--color-stone);
}

/* --------------------------------------------------------------------------
   9. HERO SECTION
   -------------------------------------------------------------------------- */
/* --------------------------------------------------------------------------
   9. FULL SCREEN HERO SLIDER & PARALLAX PEEK SECTIONS
   -------------------------------------------------------------------------- */
.hero-slider-section {
  position: relative;
  width: 100%;
  height: calc(100vh - var(--header-height-top));
  min-height: 600px;
  background-color: var(--color-ink);
  color: var(--color-ivory);
  overflow: hidden;
}

.hero-slides-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.2s var(--ease-architectural), visibility 1.2s;
  z-index: 1;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.hero-slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
}

.hero-slide-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.1);
  transition: transform 6s var(--ease-architectural);
  will-change: transform;
}

.hero-slide.active .hero-slide-bg img {
  transform: scale(1.01);
}

.hero-slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(10, 32, 39, 0.35) 0%, rgba(10, 32, 39, 0.85) 100%),
    linear-gradient(to top, rgba(10, 32, 39, 0.95) 0%, transparent 60%);
  z-index: 2;
}

.hero-slide .container {
  position: relative;
  z-index: 3;
  width: 100%;
}

.hero-slide .hero-content {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.hero-slide .hero-content>* {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.75s var(--ease-architectural), transform 0.75s var(--ease-architectural);
}

.hero-slide.active .hero-content>* {
  opacity: 1;
  transform: translateY(0);
}

.hero-slide.active .hero-content .eyebrow {
  transition-delay: 0.12s;
}

.hero-slide.active .hero-content .hero-heading {
  transition-delay: 0.28s;
}

.hero-slide.active .hero-content .body-text {
  transition-delay: 0.42s;
}

.hero-slide.active .hero-content .hero-actions {
  transition-delay: 0.56s;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin-top: 2.25rem;
}

/* Hero Controls & Indicators */
.hero-controls-container {
  position: absolute;
  bottom: 35px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  pointer-events: none;
}

.hero-indicators,
.hero-arrows {
  pointer-events: auto;
}

.hero-indicators {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.hero-indicator {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-stone);
  padding: 0.4rem 0.6rem;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  cursor: pointer;
  background: none;
}

.hero-indicator:hover,
.hero-indicator.active {
  color: var(--color-brass);
  border-bottom-color: var(--color-brass);
}

.hero-arrows {
  display: flex;
  gap: 0.75rem;
}

.hero-arrow {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(244, 240, 231, 0.3);
  background-color: rgba(10, 32, 39, 0.6);
  color: var(--color-ivory);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  border-radius: 2px;
}

.hero-arrow:hover {
  background-color: var(--color-brass);
  border-color: var(--color-brass);
  color: var(--color-ink);
}

/* --------------------------------------------------------------------------
   FIXED BACKGROUND PARALLAX PEEK SECTION (BETWEEN SECTIONS)
   -------------------------------------------------------------------------- */
.parallax-peek-section {
  position: relative;
  padding: 8rem 0;
  background-color: var(--color-ink);
  color: var(--color-ivory);
  overflow: hidden;
  border-top: 1px solid rgba(244, 240, 231, 0.1);
  border-bottom: 1px solid rgba(244, 240, 231, 0.1);
}

.parallax-peek-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 120%;
  top: -10%;
  z-index: 1;
  opacity: 0.35;
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  pointer-events: none;
}

.parallax-peek-overlay {
  position: relative;
  z-index: 2;
}


/* --------------------------------------------------------------------------
   10. CREDIBILITY STRIP
   -------------------------------------------------------------------------- */
.credibility-strip {
  background-color: var(--color-teal);
  color: var(--color-ivory);
  padding: 1.5rem 0;
  border-top: 1px solid rgba(244, 240, 231, 0.1);
  border-bottom: 1px solid rgba(244, 240, 231, 0.1);
}

.credibility-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  text-align: center;
}

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

.credibility-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.credibility-label {
  font-size: 0.75rem;
  text-transform: uppercase;

  color: var(--color-brass);
  font-weight: 700;
}

.credibility-val {
  font-size: 1.05rem;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   11. SERVICES VERTICAL TABS / ACCORDION
   -------------------------------------------------------------------------- */
.services-tabs-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-top: 3rem;
}

@media (min-width: 992px) {
  .services-tabs-container {
    grid-template-columns: 320px 1fr;
  }
}

.service-tab-btn {
  width: 100%;
  padding: 1.25rem 1.5rem;
  text-align: left;
  border-left: 3px solid var(--color-stone);
  background-color: var(--color-white);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-fast);
  margin-bottom: 0.5rem;
}

.service-tab-btn:hover,
.service-tab-btn.active {
  border-left-color: var(--color-brass);
  background-color: var(--color-teal);
  color: var(--color-ivory);
}

.service-tab-num {
  font-size: 0.85rem;
  color: var(--color-brass);
}

.service-content-panel {
  display: none;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 2.5rem;
  border-radius: 2px;
}

.service-content-panel.active {
  display: block;
}

.deliverables-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.deliverable-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.deliverable-item::before {
  content: '✓';
  color: var(--color-brass);
  font-weight: 800;
}

/* --------------------------------------------------------------------------
   12. PORTFOLIO GRID & FILTERS
   -------------------------------------------------------------------------- */
.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.6rem 1.25rem;
  font-size: 0.88rem;
  font-weight: 600;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  background-color: var(--color-white);
  color: var(--color-ink);
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--color-teal);
  color: var(--color-ivory);
  border-color: var(--color-teal);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.project-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.project-card .arch-placeholder {
  transition: transform 0.6s var(--ease-architectural);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(10, 32, 39, 0.12);
  border-color: var(--color-brass);
}

.project-card:hover .arch-placeholder {
  transform: scale(1.04);
}

/* Hover Overlay Text Reveal (Reference Site Feature) */
.project-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(10, 32, 39, 0.95) 0%, rgba(10, 32, 39, 0.6) 50%, rgba(10, 32, 39, 0.2) 100%);
  color: var(--color-ivory);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease-architectural), visibility 0.35s;
  z-index: 10;
}

.project-card:hover .project-card-overlay {
  opacity: 1;
  visibility: visible;
}

.overlay-bracket {
  font-size: 0.8rem;
  font-weight: 700;

  color: var(--color-brass);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  transform: translateY(15px);
  transition: transform 0.35s var(--ease-architectural);
}

.overlay-title {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-ivory);
  transform: translateY(20px);
  transition: transform 0.35s var(--ease-architectural) 0.05s;
}

.project-card:hover .overlay-bracket,
.project-card:hover .overlay-title {
  transform: translateY(0);
}

.project-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-brass);
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
}

/* Floating Action Controls: WhatsApp & Back to Top */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 54px;
  height: 54px;
  background-color: #25D366;
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  z-index: 990;
  transition: transform 0.3s var(--ease-architectural), box-shadow 0.3s;
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.6);
}

.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background-color: var(--color-teal);
  color: var(--color-ivory);
  border: 1px solid rgba(244, 240, 231, 0.3);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--ease-architectural);
  z-index: 990;
  cursor: pointer;
}

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

.back-to-top:hover {
  background-color: var(--color-brass);
  color: var(--color-ink);
}


/* --------------------------------------------------------------------------
   13. PROCESS TIMELINE
   -------------------------------------------------------------------------- */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.process-step {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.process-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-brass);
  line-height: 1;
}

/* --------------------------------------------------------------------------
   14. CONTACT FORM & FOOTER
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-ink);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
  border-radius: 2px;
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-teal);
  outline: 1px solid var(--color-teal);
}

.site-footer {
  background-color: var(--color-ink);
  color: var(--color-ivory);
  padding: 4rem 0 2rem;
  border-top: 3px solid var(--color-brass);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(244, 240, 231, 0.1);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--color-stone);
}

.lix-credit {
  color: var(--color-brass);
  font-weight: 600;
}

.lix-credit:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   15. RESPONSIVE MEDIA QUERIES
   -------------------------------------------------------------------------- */
@media (max-width: 991px) {
  .nav-menu {
    display: none !important;
  }

  .site-header {
    height: 64px !important;
  }

  .site-header.scrolled {
    height: 56px !important;
  }

  .header-container {
    padding: 0 1rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .brand-logo {
    display: flex;
    align-items: center;
    max-width: 60%;
  }

  .brand-logo img,
  .site-logo-img {
    height: 38px !important;
    max-height: 40px !important;
    width: auto !important;
    object-fit: contain;
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .header-actions .btn-primary {
    display: none !important;
  }

  .lang-switch {
    padding: 0.35rem 0.65rem;
    font-size: 0.8rem;
    border-radius: 4px;
    border: 1px solid var(--color-border);
  }

  .mobile-toggle {
    display: flex !important;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 38px;
    height: 38px;
    border-radius: 6px;
    border: 1px solid var(--color-border);
    background: transparent;
    padding: 8px;
    cursor: pointer;
  }

  .mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-teal);
    border-radius: 2px;
    transition: all 0.3s var(--ease-architectural);
  }
}

@media (max-width: 767px) {
  .utility-bar {
    display: none !important;
  }

  /* Hero Section Mobile Responsive Layout */
  .hero-slider-section {
    height: auto !important;
    min-height: calc(100vh - 64px) !important;
    padding-top: 2rem;
    padding-bottom: 5.5rem;
    display: flex;
    align-items: center;
  }

  .hero-slide {
    padding-top: 1.5rem;
    padding-bottom: 5.5rem;
    align-items: center;
  }

  .hero-slide .hero-content {
    padding: 0 0.5rem;
  }

  .hero-slide .eyebrow {
    font-size: 0.75rem !important;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
  }

  .hero-heading {
    font-size: clamp(1.75rem, 6.5vw, 2.4rem) !important;
    line-height: 1.25 !important;
    margin-bottom: 0.75rem;
  }

  .hero-slide .body-text {
    font-size: 0.92rem !important;
    line-height: 1.55 !important;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem !important;
    margin-top: 1.25rem !important;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
    padding: 0.75rem 1rem !important;
    font-size: 0.95rem !important;
    justify-content: center !important;
    text-align: center !important;
  }

  /* Hero Indicators Position on Mobile */
  .hero-controls-container {
    bottom: 16px !important;
  }

  .hero-indicators {
    gap: 0.75rem !important;
  }

  .hero-indicator {
    font-size: 0.75rem !important;
    padding: 0.2rem 0.4rem;
  }

  /* Floating Controls on Mobile */
  .floating-whatsapp {
    width: 46px !important;
    height: 46px !important;
    bottom: 16px !important;
    left: 16px !important;
  }

  .back-to-top {
    width: 42px !important;
    height: 42px !important;
    bottom: 16px !important;
    right: 16px !important;
    font-size: 1rem !important;
  }
}

/* --------------------------------------------------------------------------
   16. MOTION & ANIMATION SYSTEM
   -------------------------------------------------------------------------- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity 0.8s var(--ease-architectural), transform 0.8s var(--ease-architectural);
  will-change: opacity, transform;
}

.animate-on-scroll.in-view {
  opacity: 1;
  transform: translateY(0);
}

.stagger-1 {
  transition-delay: 100ms;
}

.stagger-2 {
  transition-delay: 200ms;
}

.stagger-3 {
  transition-delay: 300ms;
}

.stagger-4 {
  transition-delay: 400ms;
}

/* Hero Text Mask Reveal */
.hero-heading {
  animation: heroTextReveal 1s var(--ease-architectural) forwards;
}

@keyframes heroTextReveal {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Floating Elevation Motif */
.arch-placeholder {
  transition: transform 0.5s var(--ease-architectural), box-shadow 0.5s var(--ease-architectural);
}

.arch-placeholder:hover {
  transform: scale(1.015);
  box-shadow: 0 16px 36px rgba(10, 32, 39, 0.12);
}

/* Process Step Interactive Highlight */
.process-step {
  transition: all 0.4s var(--ease-architectural);
}

.process-step:hover {
  border-color: var(--color-brass);
  transform: translateY(-6px);
  box-shadow: 0 12px 28px rgba(10, 32, 39, 0.08);
}

/* Service Tab Transition */
.service-content-panel {
  animation: panelFadeIn 0.4s var(--ease-architectural);
}

@keyframes panelFadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}