/* ============================================
   CorrugatedBoxSuppliers.com — Global Styles
   Aesthetic: Industrial-Utilitarian meets Editorial
   Palette: Kraft brown, deep navy, warm white
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Playfair+Display:ital,wght@0,700;0,800;1,400&display=swap');

/* --- CSS Variables --- */
:root {
  --color-navy: #1a2332;
  --color-navy-light: #2a3a4e;
  --color-kraft: #c49a6c;
  --color-kraft-light: #e8d5b7;
  --color-kraft-pale: #f5ede0;
  --color-warm-white: #faf8f4;
  --color-warm-gray: #f0ece4;
  --color-text: #2c2c2c;
  --color-text-light: #6b6b6b;
  --color-accent: #d4763c;
  --color-accent-hover: #b8612e;
  --color-green: #3a7d5c;
  --color-green-light: #e8f3ed;
  --color-red: #c0392b;
  --color-border: #ddd5c8;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', 'Segoe UI', sans-serif;

  --max-width: 1200px;
  --header-height: 72px;
  --radius: 6px;
  --shadow-sm: 0 1px 3px rgba(26,35,50,0.06);
  --shadow-md: 0 4px 12px rgba(26,35,50,0.08);
  --shadow-lg: 0 8px 30px rgba(26,35,50,0.12);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-warm-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-accent-hover); }

/* --- Utility --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.text-center { text-align: center; }

/* --- Header --- */
.site-header {
  background: var(--color-navy);
  height: var(--header-height);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 3px solid var(--color-kraft);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-kraft);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: all 0.2s;
}
.nav-links a:hover, .nav-links a.active {
  color: #fff;
  background: rgba(255,255,255,0.08);
}
.nav-cta {
  background: var(--color-accent) !important;
  color: #fff !important;
  font-weight: 600 !important;
}
.nav-cta:hover {
  background: var(--color-accent-hover) !important;
}

/* Mobile nav */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-navy);
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 3px solid var(--color-kraft);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; }
}

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: #fff;
  padding: 80px 0 90px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 30h60M30 0v60' stroke='%23ffffff' stroke-opacity='0.03' stroke-width='1'/%3E%3C/svg%3E");
  pointer-events: none;
}
.hero-content {
  position: relative;
  max-width: 680px;
}
.hero-label {
  display: inline-block;
  background: var(--color-kraft);
  color: var(--color-navy);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 5px 14px;
  border-radius: 3px;
  margin-bottom: 20px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.hero h1 em {
  color: var(--color-kraft);
  font-style: italic;
}
.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
  max-width: 540px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.25s;
  text-align: center;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(212,118,60,0.35);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255,255,255,0.05);
}
.btn-outline-dark {
  background: transparent;
  color: var(--color-navy);
  border: 2px solid var(--color-border);
}
.btn-outline-dark:hover {
  border-color: var(--color-navy);
}
.btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

/* --- Sections --- */
.section {
  padding: 72px 0;
}
.section-alt {
  background: var(--color-warm-gray);
}
.section-dark {
  background: var(--color-navy);
  color: #fff;
}
.section-header {
  margin-bottom: 48px;
}
.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  line-height: 1.2;
  color: var(--color-navy);
  letter-spacing: -0.02em;
}
.section-dark .section-title { color: #fff; }
.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin-top: 12px;
  max-width: 600px;
}

/* --- Cards --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all 0.3s;
  position: relative;
}
.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-kraft);
  transform: translateY(-2px);
}
.card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-kraft-pale);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
}
.card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-navy);
  margin-bottom: 10px;
}
.card p {
  color: var(--color-text-light);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 16px;
}
.card-link {
  font-size: 0.88rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card-link::after {
  content: '→';
  transition: transform 0.2s;
}
.card:hover .card-link::after {
  transform: translateX(4px);
}

/* --- Stats Row --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  padding: 48px 0;
}
.stat-item {
  text-align: center;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-kraft);
}
.stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

/* --- Trust Bar --- */
.trust-bar {
  background: var(--color-kraft-pale);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
}
.trust-items {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-weight: 500;
}
.trust-items span {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* --- Directory / Listing --- */
.listing-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: all 0.3s;
}
.listing-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-kraft);
}
.listing-avatar {
  width: 56px;
  height: 56px;
  background: var(--color-navy);
  color: var(--color-kraft);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  flex-shrink: 0;
}
.listing-info h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 4px;
}
.listing-meta {
  font-size: 0.82rem;
  color: var(--color-text-light);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.listing-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 3px;
  background: var(--color-kraft-pale);
  color: var(--color-navy);
}
.tag-green { background: var(--color-green-light); color: var(--color-green); }

/* --- Forms --- */
.form-group {
  margin-bottom: 20px;
}
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 6px;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-text);
  transition: border-color 0.2s;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(212,118,60,0.1);
}
.form-textarea { min-height: 120px; resize: vertical; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
}

/* --- Quote Box --- */
.quote-box {
  background: #fff;
  border: 2px solid var(--color-kraft);
  border-radius: var(--radius);
  padding: 36px;
  max-width: 640px;
}
.quote-box h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-navy);
  margin-bottom: 6px;
}
.quote-box > p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

/* --- Multi-step form --- */
.step-indicator {
  display: flex;
  gap: 4px;
  margin-bottom: 28px;
}
.step-dot {
  flex: 1;
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  transition: background 0.3s;
}
.step-dot.active { background: var(--color-accent); }
.step-dot.done { background: var(--color-green); }
.form-step { display: none; }
.form-step.active { display: block; }

/* --- Article / Content --- */
.article-content {
  max-width: 720px;
  margin: 0 auto;
}
.article-content h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.2;
  color: var(--color-navy);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.article-meta {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}
.article-content h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-navy);
  margin: 40px 0 16px;
}
.article-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-navy);
  margin: 28px 0 10px;
}
.article-content p {
  font-size: 1.02rem;
  line-height: 1.75;
  margin-bottom: 18px;
  color: var(--color-text);
}
.article-content ul, .article-content ol {
  margin: 0 0 18px 24px;
  line-height: 1.75;
}
.article-content li { margin-bottom: 6px; }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.92rem;
}
.article-content th {
  background: var(--color-navy);
  color: #fff;
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
}
.article-content td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border);
}
.article-content tr:nth-child(even) td {
  background: var(--color-warm-gray);
}

/* Callout box in articles */
.callout {
  background: var(--color-kraft-pale);
  border-left: 4px solid var(--color-kraft);
  padding: 20px 24px;
  margin: 28px 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.callout-title {
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 6px;
}
.callout p { margin-bottom: 0; }

.callout-cta {
  background: var(--color-green-light);
  border-left: 4px solid var(--color-green);
  padding: 24px;
  margin: 32px 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  text-align: center;
}
.callout-cta h4 {
  font-family: var(--font-display);
  color: var(--color-navy);
  font-size: 1.2rem;
  margin-bottom: 8px;
}
.callout-cta p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-bottom: 14px;
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 16px 0;
  font-size: 0.82rem;
  color: var(--color-text-light);
}
.breadcrumb a { color: var(--color-text-light); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb span { margin: 0 6px; opacity: 0.4; }

/* --- Page Header (inner pages) --- */
.page-header {
  background: var(--color-navy);
  color: #fff;
  padding: 48px 0 52px;
  position: relative;
}
.page-header::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 30h60M30 0v60' stroke='%23ffffff' stroke-opacity='0.03' stroke-width='1'/%3E%3C/svg%3E");
  pointer-events: none;
}
.page-header .container { position: relative; }
.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 10px;
}
.page-header p {
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  max-width: 560px;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.6);
  padding: 60px 0 32px;
  border-top: 3px solid var(--color-kraft);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-brand .logo {
  margin-bottom: 14px;
}
.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.6;
}
.footer-col h4 {
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col a {
  color: rgba(255,255,255,0.55);
  font-size: 0.88rem;
  display: block;
  padding: 4px 0;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--color-kraft); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  font-size: 0.78rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-accent) 0%, #b8612e 100%);
  color: #fff;
  padding: 56px 0;
  text-align: center;
}
.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 12px;
}
.cta-banner p {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 24px;
}
.cta-banner .btn {
  background: #fff;
  color: var(--color-accent);
}
.cta-banner .btn:hover {
  background: var(--color-warm-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in {
  animation: fadeInUp 0.6s ease forwards;
  opacity: 0;
}
.fade-in:nth-child(2) { animation-delay: 0.1s; }
.fade-in:nth-child(3) { animation-delay: 0.2s; }
.fade-in:nth-child(4) { animation-delay: 0.3s; }
.fade-in:nth-child(5) { animation-delay: 0.4s; }

/* --- Inline Quote Widget (sidebar / embedded) --- */
.inline-quote {
  background: var(--color-kraft-pale);
  border: 2px solid var(--color-kraft);
  border-radius: var(--radius);
  padding: 28px;
  margin: 32px 0;
}
.inline-quote h4 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-navy);
  margin-bottom: 4px;
}
.inline-quote > p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

/* --- Print --- */
@media print {
  .site-header, .site-footer, .cta-banner, .inline-quote { display: none; }
}