/* M3 Packaging Solutions - Premium Corporate Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ==========================================
   DESIGN TOKENS & RESET
   ========================================== */
:root {
  --primary: #0B1F3A;         /* Dark Navy Blue */
  --primary-hover: #05101E;   /* Deeper Navy */
  --secondary: #F97316;       /* Orange */
  --secondary-hover: #EA580C; /* Deeper Orange */
  --bg-light: #F9FAFB;         /* Light Gray Background */
  --bg-white: #FFFFFF;
  --text-dark: #111827;       /* Very Dark Charcoal */
  --text-muted: #4B5563;      /* Muted Gray */
  --text-light: #9CA3AF;      /* Light Gray Text */
  --border: #E5E7EB;
  --border-focus: #F97316;
  --font-main: 'Outfit', sans-serif;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 25px -5px rgba(11, 31, 58, 0.1), 0 8px 10px -6px rgba(11, 31, 58, 0.05);
  --shadow-hover: 0 20px 30px -5px rgba(11, 31, 58, 0.15), 0 10px 15px -5px rgba(11, 31, 58, 0.1);

  /* Corners & Speed */
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);

  /* Layout widths */
  --max-width: 1280px;
  --header-height: 72px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body{
    font-family: var(--font-main);
    background:#ffffff;
    color:var(--text-dark);
    line-height:1.6;
    overflow-x:hidden;
}

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

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

ul {
  list-style: none;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--primary);
}

h1 {
  font-size: 3rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.25rem;
  position: relative;
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  color: var(--text-muted);
}

.text-center { text-align: center; }

/* Section Header Utility */
.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 40px;
}

.section-header .tag {
  color: var(--secondary);
  text-transform: uppercase;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--secondary);
  margin: 0.75rem auto 0 auto;
  border-radius: 2px;
}

/* ==========================================
   BUTTONS & INTERACTIVE ELEMENTS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--secondary);
  color: var(--bg-white);
}

.btn-primary:hover {
  background-color: var(--secondary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(249, 115, 22, 0.3);
}

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

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

.btn-white-outline {
  background-color: transparent;
  border-color: var(--bg-white);
  color: var(--bg-white);
}

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

/* ==========================================
   LAYOUT STRUCTURE (HEADER & FOOTER)
   ========================================== */
.top-bar {
  background-color: var(--primary);
  color: var(--bg-white);
  font-size: 0.85rem;
  padding: 0.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-info, .top-bar-social {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.top-bar-info a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.top-bar-info a:hover {
  color: var(--secondary);
}

.top-bar-slogan {
  font-weight: 500;
  letter-spacing: 0.05em;
}

.top-bar-social a:hover {
  color: var(--secondary);
}

/* Header */
.main-header {
  background-color: var(--bg-white);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: relative;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.main-header.sticky {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  box-shadow: var(--shadow-lg);
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

.logo-container {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 0.75rem;
}
.logo-container img {
  width: 250px;
  height: auto;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-left: auto;
  margin-right: 35px;
}

.nav-link {
  font-weight: 600;
  color: var(--primary);
  font-size: 1rem;
  position: relative;
  padding: 0.5rem 0;
}

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

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

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

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-nav-toggle svg {
  width: 30px;
  height: 30px;
  stroke: var(--primary);
}

/* PRODUCTS NAV DROPDOWN */
.nav-item-dropdown{ position: relative; }
.nav-item-dropdown > .nav-link{ display:flex; align-items:center; gap:4px; cursor:pointer; }
.nav-item-dropdown .nav-caret{ width:14px; height:14px; transition:transform .25s; }
.nav-item-dropdown:hover .nav-caret{ transform:rotate(180deg); }
.nav-dropdown-menu{
  position:absolute; top:100%; left:50%;
  transform:translateX(-50%) translateY(8px);
  background:#fff; min-width:230px;
  border-radius:12px; padding:10px;
  box-shadow:0 15px 40px rgba(0,0,0,0.14);
  opacity:0; visibility:hidden; pointer-events:none;
  transition:opacity .2s ease, transform .2s ease;
  z-index:1200;
}
.nav-item-dropdown:hover .nav-dropdown-menu,
.nav-item-dropdown:focus-within .nav-dropdown-menu{
  opacity:1; visibility:visible; pointer-events:auto;
  transform:translateX(-50%) translateY(0);
}
.nav-dropdown-menu a{
  display:block; padding:9px 14px; border-radius:8px;
  font-size:0.88rem; font-weight:600; color:var(--primary);
  white-space:nowrap;
}
.nav-dropdown-menu a:hover{ background:var(--bg-light); color:var(--secondary); }
@media (max-width:992px){
  .nav-dropdown-menu{ position:static; transform:none; box-shadow:none; opacity:1; visibility:visible; pointer-events:auto; display:none; padding-left:12px; }
  .nav-item-dropdown.mobile-open .nav-dropdown-menu{ display:block; }
}

/* ==========================================
   FOOTER
   ========================================== */
footer {
  background-color: var(--primary);
  color: var(--bg-white);
  padding: 3rem 2rem 1rem;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.5fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-about p {
  color: var(--text-light);
  margin: 1rem 0;
  font-size: .95rem;
  line-height: 1.7;
}


.footer-about .top-bar-social a {
  width: 38px;
  height: 38px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  transition: .3s;
}

.footer-about .top-bar-social a:hover {
  background: var(--secondary);
  transform: translateY(-3px);
}

.footer-section h3 {
  color: #fff;
  font-size: 20px;
  margin-bottom: 1rem;
  position: relative;
  padding-bottom: .5rem;
}

.footer-section h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 40px;
  height: 2px;
  background: var(--secondary);
}

.footer-links li { margin-bottom: .45rem; }

.footer-links a {
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .95rem;
  transition: .3s;
}

.footer-links a:hover {
  color: var(--secondary);
  padding-left: 5px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  margin-bottom: .7rem;
  color: var(--text-light);
  font-size: .95rem;
}

.footer-contact li svg {
  width: 18px;
  margin-top: 3px;
  stroke: var(--secondary);
  flex-shrink: 0;
}

.newsletter-form {
  display: flex;
  margin-top: .75rem;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.newsletter-form input {
  flex: 1;
  border: none;
  padding: .75rem 1rem;
  font-family: var(--font-main);
  outline: none;
}

.newsletter-form button {
  background: var(--secondary);
  border: none;
  padding: 0 1.1rem;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: .3s;
}

.newsletter-form button:hover { background: var(--secondary-hover); }

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-light);
  font-size: .85rem;
}

.footer-bottom-links { display: flex; gap: 1.2rem; }

.footer-bottom-links a { color: var(--text-light); transition: .3s; }
.footer-bottom-links a:hover { color: var(--secondary); }

@media (max-width:992px){
  .footer-container{ grid-template-columns:repeat(2,1fr); gap:2rem; }
  .footer-bottom{ flex-direction:column; gap:12px; text-align:center; }
}

@media (max-width:768px){
  footer{ padding:2.5rem 1.2rem 1rem; }
  .footer-container{ grid-template-columns:1fr; }
  .footer-about{ text-align:center; }
}

/* ==========================================
   INNER PAGE BANNER (used on non-about pages)
   ========================================== */
.inner-banner {
  background: linear-gradient(135deg, rgba(11, 31, 58, 0.95) 0%, rgba(11, 31, 58, 0.8) 100%),
              url('../images/about_factory.jpg') no-repeat center center/cover;
  padding: 5rem 2rem;
  color: var(--bg-white);
  text-align: center;
}

.inner-banner-container { max-width: var(--max-width); margin: 0 auto; }
.inner-banner h1 { color: var(--bg-white); margin-bottom: 0.75rem; }

.breadcrumbs {
  display: inline-flex;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 500;
}

.breadcrumbs a:hover { color: var(--secondary); }
.breadcrumbs span { color: var(--text-light); }

/* ==========================================
   ABOUT PAGE — INTRO / MINI-HERO
   (breadcrumb + heading + copy + feature icons + image,
    on a light background — matches approved design)
   ========================================== */
.about-intro {
  padding: 2.5rem 2rem 4rem;
  background-color: var(--bg-light);
  overflow: hidden;
}

.about-intro-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-intro-breadcrumbs {
  display: inline-flex;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 1rem;
}

.about-intro-breadcrumbs a:hover { color: var(--secondary); }
.about-intro-breadcrumbs .active { color: var(--secondary); }

.about-intro-text h1 {
  font-size: 2.75rem;
  margin-bottom: 1.25rem;
}

.about-intro-text h2 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.about-intro-text p {
  margin-bottom: 1.5rem;
}

.about-intro-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.about-intro-feature {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
}

.about-intro-feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: rgba(249, 115, 22, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-intro-feature-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--secondary);
}

.about-intro-feature span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.35;
}

.about-intro-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%);
}

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

/* ==========================================
   ABOUT US PAGE — STORY / WHO WE ARE
   ========================================== */
.story-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.story-content h2 { font-size: 2.25rem; margin-bottom: 1.5rem; }
.story-content p { margin-bottom: 1.5rem; }

.story-image-box img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Vision / Mission Cards */
.vision-mission-section { background-color: var(--bg-white); padding-top: 0; }

.vision-mission-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.vision-card {
  border-radius: var(--radius-lg);
  padding: 2.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: var(--transition);
}

.vision-card.card-vision { background-color: #FEF1E7; }
.vision-card.card-mission { background-color: #EAF0F9; }

.vision-card:hover { transform: translateY(-5px); }

.vision-card-head {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.vision-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-vision .vision-icon { background-color: var(--secondary); color: #fff; }
.card-mission .vision-icon { background-color: var(--primary); color: #fff; }

.vision-icon svg { width: 26px; height: 26px; }

.vision-card h3 { font-size: 1.4rem; margin: 0; }

.vision-card ul li {
  margin-bottom: 0.65rem;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.vision-card ul li svg {
  stroke: var(--secondary);
  width: 18px;
  margin-top: 0.2rem;
  flex-shrink: 0;
}

/* ==========================================
   WHY CHOOSE US STRIP (5 icon columns)
   ========================================== */
.why-choose-strip { background-color: var(--bg-light); }

.why-choose-strip-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}

.why-choose-strip-item {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
}

.why-choose-strip-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--bg-white);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-choose-strip-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--primary);
}

.why-choose-strip-item h4 {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.why-choose-strip-item p {
  font-size: 0.85rem;
  margin: 0;
}

/* ==========================================
   STATS BAR (full-width dark strip)
   ========================================== */
.stats-bar {
  background-color: var(--primary);
  padding: 2.25rem 2rem;
}

.stats-bar-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stats-bar-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  color: var(--bg-white);
}

.stats-bar-item:not(:last-child) {
  border-right: 1px solid rgba(255,255,255,0.1);
}

.stats-bar-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: rgba(249, 115, 22, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stats-bar-icon svg { width: 22px; height: 22px; stroke: var(--secondary); }

.stats-bar-item strong {
  display: block;
  font-size: 1.3rem;
  font-weight: 800;
}

.stats-bar-item span {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* ==========================================
   CALL TO ACTION BAR
   ========================================== */
.cta-bar {
  background: linear-gradient(135deg, var(--primary) 0%, #071426 100%);
  color: var(--bg-white);
  padding: 3.5rem 2rem;
  position: relative;
  overflow: hidden;
}

.cta-bar::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 50%;
  height: 200%;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.cta-bar-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 2;
}

.cta-bar-text h2 { color: var(--bg-white); font-size: 2rem; margin-bottom: 0.5rem; }
.cta-bar-text p { color: var(--text-light); font-size: 1.05rem; }

.cta-bar-buttons { display: flex; gap: 1.5rem; }

/* ==========================================
   SECTION SPACING (single source of truth)
   ========================================== */
.section-padding { padding: 4.5rem 2rem; }
.section-padding + .section-padding { padding-top: 0; }

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
  h1 { font-size: 2.5rem; }

  .about-intro-container { grid-template-columns: 1fr; }
  .about-intro-image { clip-path: none; max-width: 560px; margin: 0 auto; }
  .about-intro-features { grid-template-columns: repeat(2, 1fr); }

  .story-container { grid-template-columns: 1fr; }
  .vision-mission-container { grid-template-columns: 1fr; }
  .why-choose-strip-grid { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
  .stats-bar-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
  .stats-bar-item:nth-child(2) { border-right: none; }

  .footer-container{ display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
  .footer-container > *:first-child { grid-column: span 3; margin-bottom: 1.5rem; }
}

@media (max-width: 768px) {
  .top-bar { display: none; }
  .main-header { padding: 0 1.5rem; }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 80%;
    max-width: 320px;
    height: calc(100vh - var(--header-height));
    background-color: var(--bg-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 2.5rem 2rem;
    gap: 1.5rem;
    box-shadow: 10px 0 30px rgba(0,0,0,0.1);
    transition: var(--transition);
    z-index: 999;
  }

  .nav-menu.active { left: 0; }
  .mobile-nav-toggle { display: block; }
  .main-header .btn-primary { display: none; }

  .cta-bar-container { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
  .why-choose-strip-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-bar-grid { grid-template-columns: 1fr; }
  .stats-bar-item { border-right: none !important; justify-content: flex-start; }

  .footer-container { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-container > *:first-child { grid-column: span 2; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
  .section-padding { padding: 3rem 1.25rem; }
}

@media (max-width: 576px) {
  .about-intro-features { grid-template-columns: 1fr; }
  .why-choose-strip-grid { grid-template-columns: 1fr; }
  .footer-container { grid-template-columns: 1fr; }
  .footer-container > *:first-child { grid-column: span 1; }
}