/* ============================================
   ARL Packaging — Stylesheet
   ============================================ */

:root {
  --navy: #0b2545;
  --navy-dark: #071a33;
  --blue-accent: #eaf1fb;
  --blue-accent-mid: #c9dcf2;
  --blue-link: #3a6ea5;
  --kraft-brown: #8a5a35;
  --kraft-brown-dark: #6f4527;
  --kraft-tan: #f2ece2;
  --grey-text: #4a4f57;
  --grey-light: #f6f7f9;
  --border-subtle: #e2e6ec;
  --white: #ffffff;
  --radius: 8px;
  --max-width: 1180px;
  --shadow-sm: 0 1px 3px rgba(11, 37, 69, 0.08);
  --shadow-md: 0 4px 16px rgba(11, 37, 69, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--grey-text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  color: var(--navy);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 16px;
}

h1 { font-size: 2.6rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.25rem; }

p { margin: 0 0 16px; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--blue-link);
  margin-bottom: 10px;
  display: block;
}

.section {
  padding: 72px 0;
}

.section--alt {
  background: var(--grey-light);
}

.section-header {
  max-width: 680px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-header p {
  margin-bottom: 0;
}

/* Buttons */
.btn {
  display: inline-block;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.btn:active {
  transform: translateY(1px);
}

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

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

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn-secondary:hover {
  background: var(--navy);
  color: var(--white);
}

.btn-block {
  display: block;
  width: 100%;
  text-align: center;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 4px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.logo .logo-arl {
  background: var(--navy);
  color: var(--white);
  padding: 4px 8px;
  border-radius: 5px;
}

.logo .logo-sub {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--grey-text);
  letter-spacing: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav .nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav .nav-links a {
  color: var(--navy);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}

.main-nav .nav-links a:hover,
.main-nav .nav-links a.active {
  border-bottom-color: var(--navy);
}

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

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 8px 10px;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--navy);
  position: relative;
  transition: 0.2s;
}

.nav-toggle span::before {
  content: "";
  position: absolute;
  top: -6px;
}

.nav-toggle span::after {
  content: "";
  position: absolute;
  top: 6px;
}

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--blue-accent) 0%, var(--white) 100%);
  padding: 72px 0 64px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: 2.75rem;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--grey-text);
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.hero-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/3;
}

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

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-grid ul {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.about-grid li {
  padding-left: 28px;
  position: relative;
  margin-bottom: 14px;
}

.about-grid li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  background: var(--blue-link);
  border-radius: 2px;
}

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: left;
  position: relative;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 18px;
  font-size: 1.05rem;
}

.step-card h3 {
  margin-bottom: 8px;
}

.step-card p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* Products grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.product-card .product-image {
  aspect-ratio: 16/10;
  background: var(--blue-accent);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

@keyframes bagSway {
  0%, 100% { transform: rotate(-2deg); }
  50% { transform: rotate(2deg); }
}

.bag-icon {
  animation: bagSway 2.6s ease-in-out infinite;
  transform-origin: 55px 40px;
}

@media (prefers-reduced-motion: reduce) {
  .bag-icon { animation: none; }
}

.product-card .product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card .product-body {
  padding: 18px 20px 22px;
}

.product-card h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.product-card p {
  font-size: 0.92rem;
  margin-bottom: 0;
  color: var(--grey-text);
}

.products-note {
  text-align: center;
  margin-top: 40px;
  font-size: 1.02rem;
}

/* Who we work with */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.audience-chip {
  background: var(--white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 22px 18px;
  text-align: center;
  font-weight: 600;
  color: var(--navy);
  font-size: 0.98rem;
}

/* CTA band */
.cta-band {
  background: var(--navy);
  color: var(--white);
  padding: 64px 0;
  text-align: center;
}

.cta-band h2 {
  color: var(--white);
}

.cta-band p {
  color: var(--blue-accent-mid);
  max-width: 560px;
  margin: 0 auto 28px;
  font-size: 1.05rem;
}

.cta-band .btn-primary {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
}

.cta-band .btn-primary:hover {
  background: var(--blue-accent);
  border-color: var(--blue-accent);
}

/* Footer */
.site-footer {
  background: var(--grey-light);
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0 28px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand .logo {
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.92rem;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.95rem;
  margin-bottom: 14px;
}

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

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

.footer-col a {
  color: var(--grey-text);
  text-decoration: none;
  font-size: 0.92rem;
}

.footer-col a:hover {
  color: var(--navy);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.85rem;
  color: #7a7f88;
}

/* Contact page */
.contact-hero {
  background: linear-gradient(180deg, var(--blue-accent) 0%, var(--white) 100%);
  padding: 64px 0 48px;
  text-align: center;
}

.contact-hero h1 {
  margin-bottom: 12px;
}

.contact-hero p {
  max-width: 620px;
  margin: 0 auto;
  font-size: 1.05rem;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
  align-items: flex-start;
}

.contact-info-card {
  background: var(--grey-light);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 32px;
}

.contact-info-card h3 {
  margin-bottom: 18px;
}

.contact-info-row {
  margin-bottom: 20px;
}

.contact-info-row .label {
  font-weight: 700;
  color: var(--navy);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 4px;
}

.contact-info-row a {
  text-decoration: none;
  font-weight: 600;
}

.contact-info-row a:hover {
  text-decoration: underline;
}

.service-areas-list {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-areas-list li {
  background: var(--white);
  border: 1px solid var(--border-subtle);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--navy);
  font-weight: 600;
}

.callback-box {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.callback-box h4 {
  margin-bottom: 6px;
  font-size: 1rem;
}

.callback-box > p {
  font-size: 0.88rem;
  margin-bottom: 16px;
}

.callback-box .form-group {
  margin-bottom: 14px;
}

.callback-box .form-success {
  padding: 20px 4px;
}

.callback-box .form-success .tick {
  width: 40px;
  height: 40px;
  font-size: 1.1rem;
  margin-bottom: 10px;
}

/* Form */
.enquiry-form {
  background: var(--white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--navy);
  margin-bottom: 6px;
}

.form-group .optional {
  font-weight: 400;
  color: #8a8f98;
  font-size: 0.85rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  font-size: 0.96rem;
  font-family: inherit;
  color: var(--grey-text);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue-link);
  box-shadow: 0 0 0 3px rgba(58, 110, 165, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
}

.checkbox-item input {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.consent-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 24px;
  font-size: 0.9rem;
}

.consent-row input {
  margin-top: 4px;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.form-note {
  font-size: 0.82rem;
  color: #8a8f98;
  margin-top: 14px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 48px 24px;
}

.form-success.visible {
  display: block;
}

.form-success .tick {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--blue-accent);
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 1.6rem;
}

.form-error {
  display: none;
  background: #fdecec;
  border: 1px solid #f3b4b4;
  color: #9a2c2c;
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.form-error.visible {
  display: block;
}

/* Privacy section */
.privacy-section {
  background: var(--grey-light);
  border-top: 1px solid var(--border-subtle);
}

.privacy-section .container {
  max-width: 760px;
}

.privacy-section h2 {
  font-size: 1.4rem;
}

.privacy-section p,
.privacy-section li {
  font-size: 0.92rem;
}

/* Responsive */
@media (max-width: 960px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-image {
    order: -1;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

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

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

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    gap: 18px;
    transform: translateY(-140%);
    opacity: 0;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
  }

  .main-nav .nav-links {
    flex-direction: column;
    gap: 14px;
  }

  .nav-toggle {
    display: block;
  }

  h1 { font-size: 2.1rem; }
  h2 { font-size: 1.6rem; }

  .section {
    padding: 52px 0;
  }

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

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}