/* ==========================================================================
   ARV INTERNATIONAL - CORPORATE WEBSITE STYLESHEET
   Product Sourcing, Procurement & Supplier Coordination Specialist
   ========================================================================== */

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

:root {
  --navy: #0B1F3A;
  --navy-light: #162E50;
  --blue: #155EEF;
  --blue-hover: #0B4ED8;
  --deep-blue: #123A63;
  --gold: #D4A72C;
  --gold-light: #FFF9E6;
  --gold-dark: #B3881B;
  --dark: #0F172A;
  --body-text: #334155;
  --muted: #64748B;
  --light-bg: #F8FAFC;
  --surface-white: #FFFFFF;
  --card-border: #E2E8F0;
  --border-focus: #93C5FD;
  --shadow-sm: 0 1px 3px rgba(11, 31, 58, 0.05);
  --shadow-md: 0 4px 12px rgba(11, 31, 58, 0.08);
  --shadow-lg: 0 12px 28px rgba(11, 31, 58, 0.12);
  --font-heading: 'Manrope', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition-fast: all 0.2s ease-in-out;
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Styles */
* {
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  color: var(--body-text);
  background-color: #FFFFFF;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--dark);
  font-weight: 700;
  line-height: 1.25;
  margin-top: 0;
}

p {
  margin-bottom: 1rem;
}

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

a:hover {
  color: var(--blue-hover);
}

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

/* Typography Helpers */
.text-navy { color: var(--navy) !important; }
.text-blue { color: var(--blue) !important; }
.text-gold { color: var(--gold-dark) !important; }
.text-muted-custom { color: var(--muted) !important; }
.bg-navy { background-color: var(--navy) !important; }
.bg-navy-light { background-color: var(--navy-light) !important; }
.bg-light-custom { background-color: var(--light-bg) !important; }
.bg-gold-light { background-color: var(--gold-light) !important; }

/* Top Announcement Bar */
.top-bar {
  background-color: var(--navy);
  color: #E2E8F0;
  font-size: 0.85rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar a {
  color: #CBD5E1;
}

.top-bar a:hover {
  color: #FFFFFF;
}

/* Header & Sticky Navigation */
.navbar-custom {
  background-color: var(--surface-white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  padding: 14px 0;
}

.navbar-custom.is-sticky {
  position: sticky;
  top: 0;
  z-index: 1030;
  box-shadow: var(--shadow-md);
  padding: 10px 0;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.45rem;
  color: var(--navy);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand-logo .logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--deep-blue) 100%);
  color: var(--gold);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  box-shadow: 0 2px 6px rgba(11, 31, 58, 0.2);
}

.brand-logo span.accent {
  color: var(--blue);
}

.nav-link {
  font-weight: 500;
  color: var(--dark) !important;
  padding: 8px 14px !important;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--blue) !important;
  background-color: rgba(21, 94, 239, 0.05);
}

.dropdown-menu {
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: 10px;
  min-width: 260px;
  margin-top: 8px;
}

.dropdown-item {
  padding: 10px 14px;
  font-weight: 500;
  color: var(--dark);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.dropdown-item i {
  color: var(--blue);
  font-size: 1.1rem;
}

.dropdown-item:hover {
  background-color: var(--light-bg);
  color: var(--blue);
}

/* Custom Buttons */
.btn-navy {
  background-color: var(--navy);
  color: #FFFFFF !important;
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--navy);
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-navy:hover {
  background-color: var(--navy-light);
  border-color: var(--navy-light);
  color: #FFFFFF !important;
  box-shadow: var(--shadow-md);
}

.btn-blue {
  background-color: var(--blue);
  color: #FFFFFF !important;
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--blue);
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-blue:hover {
  background-color: var(--blue-hover);
  border-color: var(--blue-hover);
  color: #FFFFFF !important;
  box-shadow: var(--shadow-md);
}

.btn-outline-navy {
  background-color: transparent;
  color: var(--navy) !important;
  border: 1.5px solid var(--navy);
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-outline-navy:hover {
  background-color: var(--navy);
  color: #FFFFFF !important;
}

.btn-gold {
  background-color: var(--gold);
  color: var(--navy) !important;
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gold);
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-gold:hover {
  background-color: #C29624;
  color: var(--navy) !important;
  box-shadow: var(--shadow-md);
}

.btn-sm-custom {
  padding: 8px 16px;
  font-size: 0.875rem;
}

/* Badges & Section Headers */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: rgba(21, 94, 239, 0.08);
  color: var(--blue);
  font-size: 0.825rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 12px;
  border: 1px solid rgba(21, 94, 239, 0.15);
}

.section-badge-gold {
  background-color: var(--gold-light);
  color: var(--gold-dark);
  border-color: rgba(212, 167, 44, 0.3);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 720px;
  margin-bottom: 0;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #071529 0%, #0B1F3A 50%, #123A63 100%);
  color: #FFFFFF;
  padding: 80px 0 90px;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle, rgba(21, 94, 239, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.18;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.hero-lead {
  font-size: 1.2rem;
  color: #CBD5E1;
  line-height: 1.6;
  margin-bottom: 32px;
  font-weight: 400;
}

.hero-card-preview {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.trust-pillar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.trust-pillar i {
  font-size: 1.4rem;
  color: var(--gold);
}

.trust-pillar-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: #F1F5F9;
  line-height: 1.3;
}

/* Feature Cards & Service Cards */
.custom-card {
  background: var(--surface-white);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: var(--transition-smooth);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.custom-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(21, 94, 239, 0.3);
}

.card-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: rgba(21, 94, 239, 0.08);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.card-icon-box.gold {
  background-color: var(--gold-light);
  color: var(--gold-dark);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
}

.card-text {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
  flex-grow: 1;
}

/* Process Steps Timeline */
.process-step-card {
  background: var(--surface-white);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
  height: 100%;
}

.step-number {
  position: absolute;
  top: 18px;
  right: 20px;
  font-size: 2rem;
  font-weight: 800;
  color: #E2E8F0;
  font-family: var(--font-heading);
}

.process-step-card:hover .step-number {
  color: rgba(21, 94, 239, 0.2);
}

/* Category Grid Item */
.category-card {
  background-color: var(--surface-white);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  transition: var(--transition-fast);
  display: block;
  color: var(--dark);
}

.category-card:hover {
  background-color: var(--navy);
  color: #FFFFFF !important;
  border-color: var(--navy);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.category-card i {
  font-size: 2rem;
  color: var(--blue);
  margin-bottom: 12px;
  display: inline-block;
}

.category-card:hover i {
  color: var(--gold);
}

/* Problem/Solution Comparison */
.problem-box {
  background-color: #FEF2F2;
  border-left: 4px solid #EF4444;
  padding: 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.solution-box {
  background-color: #F0FDF4;
  border-left: 4px solid #10B981;
  padding: 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

/* Sourcing Request Calculator / Estimator UI Component */
.calculator-box {
  background: var(--surface-white);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
}

/* Forms */
.form-label {
  font-weight: 600;
  color: var(--dark);
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.form-control, .form-select {
  border: 1px solid var(--card-border);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--dark);
  transition: var(--transition-fast);
}

.form-control:focus, .form-select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(21, 94, 239, 0.15);
  outline: none;
}

/* Breadcrumbs */
.breadcrumb-wrapper {
  background-color: var(--light-bg);
  border-bottom: 1px solid var(--card-border);
  padding: 14px 0;
  font-size: 0.875rem;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "›";
  color: var(--muted);
}

/* Inner Page Hero Header */
.page-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--deep-blue) 100%);
  color: #FFFFFF;
  padding: 60px 0 70px;
}

.page-header h1 {
  color: #FFFFFF;
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.page-header p {
  color: #CBD5E1;
  font-size: 1.15rem;
  margin-bottom: 0;
}

/* FAQ Accordion */
.accordion-item {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md) !important;
  margin-bottom: 12px;
  overflow: hidden;
}

.accordion-button {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--dark);
  background-color: var(--surface-white);
  padding: 18px 24px;
  font-size: 1.05rem;
}

.accordion-button:not(.collapsed) {
  background-color: var(--light-bg);
  color: var(--blue);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: none;
}

.accordion-body {
  padding: 20px 24px;
  color: var(--body-text);
  line-height: 1.65;
  background-color: var(--surface-white);
}

/* Sticky Floating CTA Button */
.floating-cta-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1040;
  background-color: var(--navy);
  color: var(--gold) !important;
  border: 2px solid var(--gold);
  border-radius: 50px;
  padding: 12px 22px;
  font-weight: 700;
  font-family: var(--font-heading);
  box-shadow: 0 8px 24px rgba(11, 31, 58, 0.35);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-smooth);
}

.floating-cta-btn:hover {
  background-color: var(--blue);
  color: #FFFFFF !important;
  border-color: var(--blue);
  transform: translateY(-3px);
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 44px;
  height: 44px;
  background-color: var(--surface-white);
  color: var(--navy);
  border: 1px solid var(--card-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-md);
  z-index: 1030;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
  cursor: pointer;
}

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

.back-to-top:hover {
  background-color: var(--navy);
  color: #FFFFFF;
}

/* Footer */
.footer-main {
  background-color: #061223;
  color: #94A3B8;
  padding: 70px 0 30px;
  font-size: 0.925rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-title {
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-links a {
  color: #94A3B8;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 50px;
  padding-top: 24px;
  font-size: 0.875rem;
}

/* Responsive Adjustments */
@media (max-width: 991.98px) {
  .hero-title {
    font-size: 2.25rem;
  }
  .section-title {
    font-size: 1.85rem;
  }
  .navbar-collapse {
    background: #FFFFFF;
    padding: 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    margin-top: 12px;
  }
}

@media (max-width: 575.98px) {
  .hero-title {
    font-size: 1.85rem;
  }
  .hero-section {
    padding: 50px 0 60px;
  }
  .floating-cta-btn {
    padding: 10px 16px;
    font-size: 0.85rem;
    bottom: 16px;
    right: 16px;
  }
}