/* ============================================================
   Dar Al Sina'a Industrial Co. — Corporate Website Stylesheet
   Primary Color Source: Logo Blue #1A9BD7, Navy #1D3461
   ============================================================ */

/* ── Custom Properties ─────────────────────────────────────── */
:root {
  /* Brand Colors */
  --color-primary:        #1A9BD7;
  --color-primary-dark:   #1580b5;
  --color-primary-light:  #4db5e8;
  --color-primary-50:     #eaf6fc;
  --color-primary-100:    #c5e8f6;

  --color-navy:           #1D3461;
  --color-navy-dark:      #152548;
  --color-navy-light:     #274980;

  --color-steel:          #7B8EA6;
  --color-steel-light:    #aab8c9;
  --color-steel-50:       #f0f3f7;

  /* Neutrals */
  --color-charcoal:       #2E3640;
  --color-text:           #333C47;
  --color-text-muted:     #64748b;
  --color-text-light:     #94a3b8;
  --color-surface:        #FFFFFF;
  --color-surface-alt:    #F7F9FB;
  --color-border:         #DDE3EC;
  --color-border-light:   #EEF1F6;

  /* Semantic */
  --color-success:        #1e8a4c;
  --color-warning:        #b45309;
  --color-error:          #c0392b;

  /* Desert Warmth (Omani palette accent) */
  --color-sand:           #C4A882;
  --color-sand-light:     #EDE0CE;
  --color-amber:          #B8862D;

  /* Typography */
  --font-sans: 'Georgia', 'Times New Roman', serif;
  --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Courier New', monospace;

  /* Type Scale */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;

  /* Spacing (8px base) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.05);
  --shadow-lg:  0 10px 28px rgba(0,0,0,0.10), 0 4px 10px rgba(0,0,0,0.06);
  --shadow-xl:  0 20px 48px rgba(0,0,0,0.12), 0 8px 20px rgba(0,0,0,0.06);

  /* Border Radius */
  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Transitions */
  --transition: 0.22s ease;
  --transition-slow: 0.38s ease;

  /* Layout */
  --container-max: 1220px;
  --header-h: 76px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

address {
  font-style: normal;
}

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

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

.section {
  padding: var(--space-24) 0;
  position: relative;
}

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

.section--alt {
  background: var(--color-surface-alt);
}

/* ── Section Headers ────────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-16);
}

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

.section-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-50);
  border: 1px solid var(--color-primary-100);
  padding: var(--space-1) var(--space-4);
  border-radius: 2px;
  margin-bottom: var(--space-4);
}

.section-tag--light {
  color: var(--color-primary-light);
  background: rgba(26, 155, 215, 0.15);
  border-color: rgba(26, 155, 215, 0.25);
}

.section-title {
  font-family: var(--font-sans);
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl));
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-navy);
  margin-bottom: var(--space-4);
}

.section-title--light {
  color: var(--color-surface);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.section-subtitle--light {
  color: rgba(255,255,255,0.72);
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background var(--transition), color var(--transition),
              box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(26, 155, 215, 0.35);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 6px 20px rgba(26, 155, 215, 0.45);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.65);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  transform: translateY(-1px);
}

/* ── Header ─────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition), background var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.99);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: var(--space-8);
}

.header-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.header-logo img {
  height: 52px;
  width: auto;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--space-4);
  right: var(--space-4);
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
  border-radius: 1px;
}

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

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-link--cta {
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-5);
  margin-left: var(--space-3);
}

.nav-link--cta::after {
  display: none;
}

.nav-link--cta:hover {
  background: var(--color-primary-dark);
  color: #fff;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  transition: background var(--transition);
}

.hamburger:hover {
  background: var(--color-surface-alt);
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) 0;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  box-shadow: var(--shadow-lg);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav-list {
  padding: 0 var(--space-6);
}

.mobile-nav-link {
  display: block;
  padding: var(--space-3) var(--space-2);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border-light);
  transition: color var(--transition), padding-left var(--transition);
}

.mobile-nav-link:last-child {
  border-bottom: none;
}

.mobile-nav-link:hover {
  color: var(--color-primary);
  padding-left: var(--space-4);
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  padding-top: calc(var(--header-h) + var(--space-16));
  padding-bottom: 0;
  background: linear-gradient(145deg, var(--color-navy-dark) 0%, var(--color-navy) 45%, #1a3f6e 100%);
  position: relative;
  overflow: hidden;
  min-height: 92vh;
  display: flex;
  flex-direction: column;
}

/* Subtle geometric background pattern (Omani-inspired) */
.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 40px,
      rgba(255,255,255,0.5) 40px,
      rgba(255,255,255,0.5) 41px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 40px,
      rgba(255,255,255,0.5) 40px,
      rgba(255,255,255,0.5) 41px
    );
  background-size: 41px 41px;
}

/* Diagonal accent band */
.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 65%;
  height: 140%;
  background: linear-gradient(135deg, rgba(26, 155, 215, 0.12) 0%, transparent 70%);
  transform: rotate(-8deg);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  flex: 1;
  padding-bottom: var(--space-20);
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  background: rgba(26, 155, 215, 0.15);
  border: 1px solid rgba(26, 155, 215, 0.3);
  padding: var(--space-2) var(--space-4);
  border-radius: 2px;
  margin-bottom: var(--space-6);
}

.hero-headline {
  font-family: var(--font-sans);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 700;
  line-height: 1.15;
  color: #fff;
  margin-bottom: var(--space-6);
  letter-spacing: -0.01em;
}

.hero-description {
  font-size: var(--text-lg);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
  max-width: 540px;
  margin-bottom: var(--space-8);
}

.hero-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}

.highlight-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: rgba(26, 155, 215, 0.2);
  border-radius: 50%;
  color: var(--color-primary-light);
  flex-shrink: 0;
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  z-index: 2;
}

.hero-visual-inner {
  position: relative;
}

.hero-image-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-3);
}

.hero-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

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

.hero-img--main {
  grid-column: 1 / -1;
  height: 240px;
}

.hero-img--secondary,
.hero-img--tertiary {
  height: 160px;
}

/* Decorative frame on images */
.hero-img--main::before {
  content: '';
  position: absolute;
  inset: -4px;
  border: 2px solid rgba(26, 155, 215, 0.3);
  border-radius: calc(var(--radius-lg) + 4px);
  pointer-events: none;
}

.hero-divider {
  margin-top: auto;
  line-height: 0;
}

.hero-divider svg {
  width: 100%;
  height: 60px;
  display: block;
}

/* ── Stats Bar ──────────────────────────────────────────────── */
.stats-bar {
  background: var(--color-primary);
  padding: var(--space-8) 0;
}

.stats-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  color: #fff;
  flex: 1;
  min-width: 120px;
}

.stat-number {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: var(--text-sm);
  font-weight: 500;
  opacity: 0.88;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.3);
}

/* ── About ──────────────────────────────────────────────────── */
.about {
  background: var(--color-surface);
}

.section-pattern {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.025;
  background-image: repeating-conic-gradient(
    from 0deg at 50% 50%,
    transparent 0deg 45deg,
    rgba(29, 52, 97, 0.5) 45deg 90deg
  );
  background-size: 60px 60px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-16);
  align-items: start;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: visible;
}

.about-image-wrapper img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

/* Decorative border frame */
.about-image-wrapper::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: 10px;
  bottom: 10px;
  border: 2px solid var(--color-primary-100);
  border-radius: calc(var(--radius-xl) + 4px);
  z-index: -1;
}

.about-image-badge {
  position: absolute;
  bottom: var(--space-6);
  right: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-navy);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.about-image-badge svg {
  color: var(--color-primary-light);
}

.about-lead {
  font-size: var(--text-lg);
  line-height: 1.75;
  color: var(--color-charcoal);
  font-weight: 500;
  margin-bottom: var(--space-5);
}

.about-body {
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-text-muted);
  margin-bottom: var(--space-10);
}

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

.mvv-card {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

.mvv-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-100);
  transform: translateY(-2px);
}

.mvv-icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary-50);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.mvv-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mvv-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ── Ornamental Divider ─────────────────────────────────────── */
.ornamental-divider {
  padding: var(--space-4) 0;
  background: var(--color-surface);
}

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

.ornament-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border) 20%, var(--color-primary-100) 80%, transparent);
}

.ornament-motif {
  flex-shrink: 0;
}

/* ── Products ───────────────────────────────────────────────── */
.products {
  background: var(--color-surface-alt);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
  position: relative;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-100);
  transform: translateY(-4px);
}

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

.product-icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary-50);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  transition: background var(--transition), color var(--transition);
}

.product-card:hover .product-icon {
  background: var(--color-primary);
  color: #fff;
}

.product-title {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.product-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.product-features {
  border-top: 1px solid var(--color-border-light);
  padding-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.product-features li {
  font-size: var(--text-xs);
  color: var(--color-text);
  font-weight: 500;
  padding-left: var(--space-4);
  position: relative;
}

.product-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ── Industries ─────────────────────────────────────────────── */
.industries {
  position: relative;
  overflow: hidden;
}

.industries-pattern {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image:
    linear-gradient(30deg, rgba(255,255,255,0.3) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.3) 87.5%, rgba(255,255,255,0.3)),
    linear-gradient(150deg, rgba(255,255,255,0.3) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.3) 87.5%, rgba(255,255,255,0.3)),
    linear-gradient(30deg, rgba(255,255,255,0.3) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.3) 87.5%, rgba(255,255,255,0.3)),
    linear-gradient(150deg, rgba(255,255,255,0.3) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.3) 87.5%, rgba(255,255,255,0.3));
  background-size: 80px 140px;
  background-position: 0 0, 0 0, 40px 70px, 40px 70px;
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.industry-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  text-align: left;
}

.industry-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(26, 155, 215, 0.4);
  transform: translateY(-4px);
}

.industry-icon {
  width: 56px;
  height: 56px;
  background: rgba(26, 155, 215, 0.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-light);
  margin-bottom: var(--space-5);
  transition: background var(--transition), color var(--transition);
}

.industry-card:hover .industry-icon {
  background: var(--color-primary);
  color: #fff;
}

.industry-title {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-3);
}

.industry-desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.7;
}

/* ── Why Us ─────────────────────────────────────────────────── */
.why-us {
  background: var(--color-surface);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.why-card {
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}

.why-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-navy));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.why-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-100);
  transform: translateY(-4px);
}

.why-card:hover::after {
  transform: scaleX(1);
}

.why-icon {
  width: 52px;
  height: 52px;
  background: var(--color-primary-50);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  transition: background var(--transition), color var(--transition);
}

.why-card:hover .why-icon {
  background: var(--color-primary);
  color: #fff;
}

.why-title {
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-3);
}

.why-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ── Oman Presence ──────────────────────────────────────────── */
.presence {
  background: var(--color-surface-alt);
}

.presence-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.presence-title {
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  margin-bottom: var(--space-5);
}

.presence-lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-8);
}

.presence-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.presence-feature {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}

.presence-feature-icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary-50);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: var(--space-1);
}

.presence-feature h4 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-1);
}

.presence-feature p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

.map-wrapper {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
}

.map-wrapper iframe {
  display: block;
  border-radius: var(--radius-xl);
}

/* ── Contact ────────────────────────────────────────────────── */
.contact {
  background: var(--color-surface);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.contact-card {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-8);
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 0 0 3px 3px;
  transition: width var(--transition-slow);
}

.contact-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-primary-100);
}

.contact-card:hover::before {
  width: 100%;
}

.contact-card-icon {
  width: 64px;
  height: 64px;
  background: var(--color-primary-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin: 0 auto var(--space-5);
  transition: background var(--transition), color var(--transition);
}

.contact-card:hover .contact-card-icon {
  background: var(--color-primary);
  color: #fff;
}

.contact-card-title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.contact-card-value {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-4);
  line-height: 1.4;
}

.contact-card-value--link {
  color: var(--color-navy);
  transition: color var(--transition);
}

.contact-card-value--link:hover {
  color: var(--color-primary);
}

.contact-card-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

address.contact-card-value {
  font-size: var(--text-base);
}

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
  background: var(--color-navy-dark);
  color: rgba(255, 255, 255, 0.75);
  position: relative;
  overflow: hidden;
}

.footer-pattern {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image: repeating-linear-gradient(
    45deg,
    rgba(255,255,255,0.8) 0px,
    rgba(255,255,255,0.8) 1px,
    transparent 1px,
    transparent 50px
  );
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  padding: var(--space-20) 0 var(--space-12);
}

.footer-logo {
  filter: brightness(0) invert(1);
  opacity: 0.92;
  margin-bottom: var(--space-5);
}

.footer-tagline {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-5);
  max-width: 320px;
}

.footer-address {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.75;
}

.footer-col-title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-link {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition), padding-left var(--transition);
  display: block;
  padding: var(--space-1) 0;
}

.footer-link:hover {
  color: var(--color-primary-light);
  padding-left: var(--space-2);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
}

.footer-contact-list li svg {
  color: var(--color-primary-light);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-list a {
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition);
}

.footer-contact-list a:hover {
  color: var(--color-primary-light);
}

.footer-bottom {
  padding-bottom: var(--space-8);
}

.footer-ornament {
  margin-bottom: var(--space-6);
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copy {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.45);
}

.footer-location {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.03em;
}

/* ── Back to Top ────────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: background var(--transition), transform var(--transition), opacity var(--transition);
  z-index: 999;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--color-navy);
  transform: translateY(-2px);
}

/* ── Focus States (Accessibility) ───────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ── Scroll Reveal ──────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

/* ── Responsive ─────────────────────────────────────────────── */

/* Large desktop */
@media (max-width: 1200px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .industries-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Tablet landscape */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  .hero {
    min-height: auto;
    padding-bottom: 0;
  }
  .hero-visual {
    max-width: 640px;
    margin: 0 auto;
    width: 100%;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  .about-image-wrapper img {
    height: 360px;
  }
  .mvv-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .presence-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
  }
}

/* Tablet portrait */
@media (max-width: 768px) {
  :root {
    --header-h: 68px;
  }

  .container {
    padding: 0 var(--space-5);
  }

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

  .main-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    padding-top: calc(var(--header-h) + var(--space-12));
  }

  .hero-inner {
    gap: var(--space-8);
    padding-bottom: var(--space-12);
  }

  .hero-image-grid {
    gap: var(--space-2);
  }

  .hero-img--main {
    height: 200px;
  }

  .hero-img--secondary,
  .hero-img--tertiary {
    height: 130px;
  }

  .stats-inner {
    gap: var(--space-4);
  }

  .stat-divider {
    height: 36px;
  }

  .mvv-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

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

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

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

  .contact-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding: var(--space-12) 0 var(--space-8);
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .back-to-top {
    bottom: var(--space-5);
    right: var(--space-5);
  }
}

/* Mobile */
@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }

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

  .stat-divider {
    display: none;
  }

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

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

  .section-header {
    margin-bottom: var(--space-10);
  }

  .hero-image-grid {
    grid-template-columns: 1fr;
  }

  .hero-img--main {
    grid-column: auto;
    height: 220px;
  }

  .hero-img--secondary,
  .hero-img--tertiary {
    height: 160px;
  }
}

/* Print */
@media print {
  .site-header,
  .back-to-top,
  .hamburger {
    display: none;
  }

  .section {
    page-break-inside: avoid;
  }
}