/* =====================================================================
   STONE ENERGY INT'L LTD - Corporate Frontend Stylesheet
   Palette: Deep Navy, Charcoal, Crisp White, Light Slate, Amber/Gold
   Fonts: Outfit (Headings) & Inter (Body)
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  /* Color Tokens */
  --color-primary-950: #050c18;
  --color-primary-900: #0a192f;
  --color-primary-800: #102a4e;
  --color-primary-700: #1b3d6d;
  --color-accent-600: #b45309;
  --color-accent-500: #d97706;
  --color-accent-400: #f59e0b;
  --color-accent-300: #fbbf24;
  --color-accent-100: #fef3c7;
  --color-dark-900: #0f172a;
  --color-dark-800: #1e293b;
  --color-dark-700: #334155;
  --color-dark-600: #475569;
  --color-gray-400: #94a3b8;
  --color-gray-300: #cbd5e1;
  --color-gray-200: #e2e8f0;
  --color-gray-100: #f1f5f9;
  --color-gray-50: #f8fafc;
  --color-white: #ffffff;
  --color-success: #059669;
  --color-warning: #d97706;
  --color-danger: #dc2626;

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Elevations */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.12), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 25px rgba(217, 119, 6, 0.25);

  /* Radius & Transitions */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1240px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-dark-800);
  background-color: var(--color-gray-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary-900);
  font-weight: 700;
  line-height: 1.25;
}

p {
  margin-bottom: 1rem;
  color: var(--color-dark-600);
}

a {
  color: var(--color-accent-500);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-accent-600);
}

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

ul, ol {
  list-style: none;
}

/* Accessibility Focus */
:focus-visible {
  outline: 2px solid var(--color-accent-400);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent-500);
  color: var(--color-white);
  padding: 8px 16px;
  z-index: 10000;
  transition: top 0.2s;
  font-weight: 600;
}
.skip-link:focus {
  top: 0;
}

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

.section {
  padding: 80px 0;
}

.section-dark {
  background-color: var(--color-primary-900);
  color: var(--color-white);
}

.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 {
  color: var(--color-white);
}

.section-dark p {
  color: var(--color-gray-300);
}

.section-gray {
  background-color: var(--color-gray-100);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 50px auto;
}

.section-tag {
  display: inline-block;
  padding: 6px 14px;
  background-color: var(--color-accent-100);
  color: var(--color-accent-600);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.section-tag-light {
  background-color: rgba(217, 119, 6, 0.2);
  color: var(--color-accent-300);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.section-title {
  font-size: 2.35rem;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-dark-600);
  line-height: 1.6;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-accent-500);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.35);
}

.btn-primary:hover {
  background-color: var(--color-accent-600);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(217, 119, 6, 0.45);
}

.btn-outline-gold {
  background-color: transparent;
  border-color: var(--color-accent-400);
  color: var(--color-accent-400);
}

.btn-outline-gold:hover {
  background-color: var(--color-accent-400);
  color: var(--color-primary-900);
  transform: translateY(-2px);
}

.btn-outline-light {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--color-white);
}

.btn-outline-light:hover {
  background-color: var(--color-white);
  color: var(--color-primary-900);
  border-color: var(--color-white);
}

.btn-navy {
  background-color: var(--color-primary-900);
  color: var(--color-white);
}

.btn-navy:hover {
  background-color: var(--color-primary-800);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* =====================================================================
   TOP BAR & NAVIGATION
   ===================================================================== */
.topbar {
  background-color: var(--color-primary-950);
  color: var(--color-gray-400);
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 0;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.topbar-items {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-gray-300);
}

.topbar-item a {
  color: var(--color-gray-300);
}

.topbar-item a:hover {
  color: var(--color-accent-400);
}

.topbar-item svg {
  color: var(--color-accent-400);
  flex-shrink: 0;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
  transition: var(--transition);
}

.navbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
}

.brand-logo img {
  height: 52px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-dark-800);
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-accent-500);
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-accent-500);
}

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-primary-900);
}

/* =====================================================================
   HERO SECTION
   ===================================================================== */
.hero {
  position: relative;
  background: radial-gradient(circle at 85% 20%, #1e3a8a 0%, #0a192f 50%, #050c18 100%);
  color: var(--color-white);
  padding: 100px 0 110px 0;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(10, 25, 47, 0.85), rgba(5, 12, 24, 0.92)),
    radial-gradient(rgba(217, 119, 6, 0.15) 1px, transparent 1px);
  background-size: 100% 100%, 36px 36px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 840px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  color: var(--color-accent-300);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 22px;
}

.hero-title span {
  color: var(--color-accent-400);
  background: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #cbd5e1;
  line-height: 1.65;
  margin-bottom: 36px;
  max-width: 780px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.pillar-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pillar-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(217, 119, 6, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-400);
  flex-shrink: 0;
}

.pillar-text {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-gray-200);
  line-height: 1.3;
}

/* =====================================================================
   SECTORS & SERVICES GRID
   ===================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent-500), var(--color-accent-300));
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(217, 119, 6, 0.3);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon-box {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-sm);
  background: var(--color-gray-100);
  color: var(--color-accent-500);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  transition: var(--transition);
}

.service-card:hover .service-icon-box {
  background: var(--color-primary-900);
  color: var(--color-accent-400);
}

.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--color-dark-600);
  flex-grow: 1;
  margin-bottom: 18px;
}

.service-features-list {
  margin-bottom: 22px;
  border-top: 1px solid var(--color-gray-100);
  padding-top: 16px;
}

.service-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-dark-700);
  margin-bottom: 8px;
}

.service-features-list li svg {
  color: var(--color-accent-500);
  flex-shrink: 0;
  margin-top: 3px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary-900);
  margin-top: auto;
}

.service-link:hover {
  color: var(--color-accent-500);
  gap: 10px;
}

/* =====================================================================
   WHY CHOOSE US / VALUE PILLARS
   ===================================================================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 26px;
}

.why-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  transition: var(--transition);
}

.why-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-accent-400);
  transform: translateY(-4px);
}

.why-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-accent-400);
  margin-bottom: 14px;
}

.why-card h3 {
  color: var(--color-white);
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.why-card p {
  color: var(--color-gray-300);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* =====================================================================
   PRODUCT CATALOGUE STYLING
   ===================================================================== */
.catalog-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill-btn {
  padding: 7px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--color-white);
  color: var(--color-dark-700);
  border: 1px solid var(--color-gray-200);
  cursor: pointer;
  transition: var(--transition);
}

.pill-btn:hover, .pill-btn.active {
  background: var(--color-primary-900);
  color: var(--color-white);
  border-color: var(--color-primary-900);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 26px;
}

.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-400);
}

.product-thumb {
  height: 200px;
  background-color: var(--color-gray-100);
  position: relative;
  overflow: hidden;
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-thumb img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--color-primary-900);
  color: var(--color-accent-300);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.product-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-sku {
  font-size: 0.78rem;
  color: var(--color-gray-400);
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.product-body h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  line-height: 1.35;
}

.product-body p {
  font-size: 0.88rem;
  color: var(--color-dark-600);
  flex-grow: 1;
  margin-bottom: 18px;
}

.product-footer {
  margin-top: auto;
  border-top: 1px solid var(--color-gray-100);
  padding-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* =====================================================================
   PROJECT PORTFOLIO
   ===================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 28px;
}

.project-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(217, 119, 6, 0.4);
}

.project-thumb {
  height: 220px;
  position: relative;
  overflow: hidden;
  background-color: var(--color-primary-950);
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card:hover .project-thumb img {
  transform: scale(1.05);
}

.status-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 5px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
}

.status-completed {
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.status-ongoing {
  background-color: #fffbeb;
  color: #b45309;
  border: 1px solid #fde68a;
}

.status-upcoming {
  background-color: #eff6ff;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

.project-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.8rem;
  color: var(--color-dark-600);
  margin-bottom: 10px;
}

.project-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.project-body h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.project-body p {
  font-size: 0.9rem;
  color: var(--color-dark-600);
  margin-bottom: 16px;
  flex-grow: 1;
}

.scope-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}

.scope-pill {
  background: var(--color-gray-100);
  color: var(--color-dark-700);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

/* =====================================================================
   RFQ & CONTACT FORMS
   ===================================================================== */
.form-box {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

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

.form-group-full {
  grid-column: 1 / -1;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary-900);
  margin-bottom: 6px;
}

.form-label .required {
  color: var(--color-danger);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-dark-800);
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--color-accent-500);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
  outline: none;
}

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

.form-help {
  display: block;
  font-size: 0.78rem;
  color: var(--color-gray-400);
  margin-top: 4px;
}

/* RFQ Highlights Card */
.rfq-feature-banner {
  background: linear-gradient(135deg, #0a192f 0%, #1e3a8a 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  color: var(--color-white);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* =====================================================================
   BLOG & NEWS SECTION
   ===================================================================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 28px;
}

.blog-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent-400);
}

.blog-thumb {
  height: 210px;
  background-color: var(--color-gray-100);
  position: relative;
  overflow: hidden;
}

.blog-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.blog-card:hover .blog-thumb img {
  transform: scale(1.05);
}

.blog-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-meta {
  font-size: 0.8rem;
  color: var(--color-dark-600);
  display: flex;
  gap: 14px;
  margin-bottom: 10px;
}

.blog-body h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.blog-body p {
  font-size: 0.92rem;
  color: var(--color-dark-600);
  flex-grow: 1;
  margin-bottom: 16px;
}

/* =====================================================================
   MODAL WINDOW & TOAST
   ===================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(10, 25, 47, 0.75);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-container {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px);
  transition: transform 0.25s ease;
  position: relative;
}

.modal-overlay.active .modal-container {
  transform: translateY(0);
}

.modal-header {
  padding: 24px 28px;
  border-bottom: 1px solid var(--color-gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 1.35rem;
  color: var(--color-primary-900);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--color-dark-600);
  line-height: 1;
}

.modal-close:hover {
  color: var(--color-danger);
}

.modal-body {
  padding: 28px;
}

/* Toast Messages */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 10001;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--color-primary-900);
  color: var(--color-white);
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--color-accent-400);
  box-shadow: var(--shadow-xl);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideInRight 0.3s forwards;
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* =====================================================================
   FLOATING WHATSAPP BUTTON
   ===================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 28px;
  left: 28px;
  z-index: 999;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: #25d366;
  color: #ffffff !important;
  padding: 12px 20px;
  border-radius: var(--radius-full);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.92rem;
  transition: var(--transition);
}

.floating-whatsapp:hover {
  background-color: #1eb954;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.55);
}

.floating-whatsapp svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* =====================================================================
   FLASH MESSAGES & ALERTS
   ===================================================================== */
.flash-messages-container {
  margin-bottom: 24px;
}

.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  border-left: 4px solid transparent;
}

.alert-success {
  background-color: #ecfdf5;
  color: #065f46;
  border-left-color: #059669;
}

.alert-danger {
  background-color: #fef2f2;
  color: #991b1b;
  border-left-color: #dc2626;
}

.alert-warning {
  background-color: #fffbeb;
  color: #92400e;
  border-left-color: #d97706;
}

.alert-info {
  background-color: #eff6ff;
  color: #1e40af;
  border-left-color: #2563eb;
}

.alert-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  color: inherit;
  opacity: 0.6;
}

.alert-close:hover {
  opacity: 1;
}

/* =====================================================================
   FOOTER STYLING
   ===================================================================== */
.site-footer {
  background-color: var(--color-primary-950);
  color: var(--color-gray-400);
  padding: 70px 0 30px 0;
  border-top: 4px solid var(--color-accent-500);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-about img {
  height: 48px;
  margin-bottom: 18px;
}

.footer-about p {
  color: var(--color-gray-400);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer-title {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: var(--color-accent-500);
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--color-gray-300);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-accent-400);
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.88rem;
  color: var(--color-gray-300);
}

.footer-contact svg {
  color: var(--color-accent-400);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
}

.footer-legal-links {
  display: flex;
  gap: 18px;
}

.footer-legal-links a {
  color: var(--color-gray-400);
}

.footer-legal-links a:hover {
  color: var(--color-accent-400);
}

/* =====================================================================
   RESPONSIVE BREAKPOINTS
   320px, 375px, 390px, 414px, 768px, 1024px, 1280px, 1440px+
   ===================================================================== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .hero-title {
    font-size: 2.8rem;
  }
}

@media (max-width: 768px) {
  .topbar {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 2px solid var(--color-gray-200);
    box-shadow: var(--shadow-lg);
    display: none;
  }
  .nav-menu.open {
    display: flex;
  }
  .hero-title {
    font-size: 2.15rem;
  }
  .hero-subtitle {
    font-size: 1.05rem;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .rfq-feature-banner {
    flex-direction: column;
    text-align: center;
    padding: 32px 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .services-grid, .projects-grid, .blog-grid {
    grid-template-columns: 1fr;
  }
  .floating-whatsapp span {
    display: none;
  }
  .floating-whatsapp {
    padding: 12px;
    border-radius: 50%;
    left: 20px;
    bottom: 20px;
  }
}

@media (max-width: 414px) {
  .hero-title {
    font-size: 1.85rem;
  }
  .section {
    padding: 55px 0;
  }
  .btn-lg {
    padding: 12px 24px;
    font-size: 0.95rem;
  }
}