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

:root {
  /* Ultra Premium Palette */
  --color-primary: #0a192f;      /* Deep Corporate Navy */
  --color-primary-dark: #060f1c; /* Darker Navy for backgrounds */
  --color-accent: #d4af37;       /* Premium Gold/Bronze */
  --color-accent-hover: #c5a028; 
  --color-white: #ffffff;
  --color-bg-light: #f8fafc;     /* Extremely light silver for sections */
  --color-text-main: #1e293b;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px 0 rgba(10, 25, 47, 0.05);

  /* Shadows */
  --shadow-soft: 0 10px 30px -10px rgba(10, 25, 47, 0.08);
  --shadow-hover: 0 20px 40px -10px rgba(10, 25, 47, 0.15);
  
  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-slow: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html, body {
  overflow-x: hidden !important;
  max-width: 100%;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--color-text-main);
  background-color: var(--color-bg-light);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: -0.02em;
}

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

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

ul { list-style: none; }

.container {
  width: 90%;
  max-width: 1400px;
  margin: 0 auto;
}

/* --- Header & Navigation (Glassmorphism) --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
  transition: var(--transition-smooth);
  background: transparent;
  border-bottom: 1px solid transparent;
  padding: 20px 0;
}

header.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--glass-shadow);
  border-bottom: 1px solid var(--color-border);
  padding: 10px 0;
}

.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-text {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: -0.5px;
  transition: var(--transition-smooth);
}

header.scrolled .logo-text {
  color: var(--color-primary);
}

.logo-text i {
  color: var(--color-accent);
  font-size: 2.2rem;
}

.nav-links {
  display: flex;
  gap: 40px;
  align-items: center;
}

.nav-links a {
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
  color: var(--color-white);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  padding: 5px 0;
}

header.scrolled .nav-links a {
  color: var(--color-primary);
}

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

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

.nav-links a.active {
  color: var(--color-accent) !important;
}

.nav-btn {
  background: var(--color-accent);
  color: var(--color-white) !important;
  padding: 12px 28px !important;
  border-radius: 4px;
  border: none;
  font-weight: 600 !important;
}

.nav-btn::after { display: none !important; }

.nav-btn:hover {
  background: var(--color-white);
  color: var(--color-accent) !important;
  box-shadow: var(--shadow-soft);
}
header.scrolled .nav-btn:hover {
  background: var(--color-primary);
  color: var(--color-white) !important;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-primary-dark);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  transform: scale(1.05);
  animation: zoomBg 20s infinite alternate linear;
}

@keyframes zoomBg {
  from { transform: scale(1); }
  to { transform: scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
  color: var(--color-white);
}

.hero h1 {
  font-size: 4.5rem;
  line-height: 1.1;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 30px;
  letter-spacing: -2px;
}

.hero p {
  font-size: 1.3rem;
  font-weight: 300;
  opacity: 0.9;
  margin-bottom: 40px;
  max-width: 600px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 36px;
  border-radius: 4px; /* Crisp edges for corporate feel */
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition-smooth);
  gap: 12px;
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-accent:hover {
  background: var(--color-white);
  color: var(--color-accent);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
  transform: translateY(-3px);
}

.btn-outline-light {
  border-color: rgba(255,255,255,0.5);
  color: var(--color-white);
  background: transparent;
}

.btn-outline-light:hover {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
  transform: translateY(-3px);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-primary:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-3px);
}

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

/* --- Sections & Layout --- */
.section {
  padding: 120px 0;
  background: var(--color-bg-light);
}

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

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

.section-header {
  text-align: center;
  margin-bottom: 80px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-size: 2.8rem;
  margin-bottom: 20px;
}

.section-dark .section-header h2 {
  color: var(--color-white);
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

.section-dark .section-header p {
  color: #94a3b8;
}

.divider {
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  margin: 0 auto 30px;
}

/* --- Premium Cards (Categories/Products) --- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.premium-card {
  background: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-slow);
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
}

.premium-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}

.card-img-wrap {
  width: 100%;
  padding-top: 80%; /* 5:4 aspect ratio */
  position: relative;
  background: var(--color-white);
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.card-img-wrap img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 30px;
  transition: transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.premium-card:hover .card-img-wrap img {
  transform: scale(1.08);
}

.card-content {
  padding: 30px;
  text-align: center;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-content h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--color-primary);
  transition: var(--transition-smooth);
}

.premium-card:hover .card-content h3 {
  color: var(--color-accent);
}

.card-content p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 25px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-action {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-smooth);
}

.premium-card:hover .card-action {
  color: var(--color-accent);
}

.card-action i {
  transition: transform 0.3s;
}

.premium-card:hover .card-action i {
  transform: translateX(5px);
}

/* --- Internal Page Header --- */
.page-hero {
  background: var(--color-primary-dark);
  padding: 160px 0 80px;
  text-align: center;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('https://images.unsplash.com/photo-1551076805-e18690c5e53b?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover;
  opacity: 0.1;
  mix-blend-mode: luminosity;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-title {
  font-size: 3.5rem;
  color: var(--color-white);
  margin-bottom: 15px;
}

.breadcrumb {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.6);
}

.breadcrumb a {
  color: var(--color-white);
}

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

.breadcrumb span {
  margin: 0 10px;
  color: rgba(255,255,255,0.4);
}

/* --- Ultra Premium Product Detail --- */
.product-detail-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  margin-top: 40px;
}

.product-gallery {
  background: var(--color-white);
  border-radius: 12px;
  padding: 60px;
  box-shadow: var(--shadow-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  position: sticky;
  top: 120px;
  height: calc(100vh - 200px);
  min-height: 500px;
}

.product-gallery img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 20px 30px rgba(0,0,0,0.05));
}

.product-info {
  padding-top: 20px;
}

.product-info h1 {
  font-size: 2.8rem;
  margin-bottom: 10px;
  line-height: 1.2;
}

.product-meta {
  font-family: 'Montserrat', sans-serif;
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.9rem;
  margin-bottom: 30px;
  display: block;
}

.product-desc {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 40px;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 40px;
}

.specs-table th, .specs-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

.specs-table th {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  color: var(--color-primary);
  width: 35%;
  background: rgba(241, 245, 249, 0.5);
}

.specs-table td {
  color: var(--color-text-main);
}

.action-area {
  display: flex;
  gap: 20px;
  margin-top: 50px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

/* --- Rich Footer --- */
.rich-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 100px 0 40px;
  border-top: 4px solid var(--color-accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 80px;
}

.footer-brand .logo-text {
  margin-bottom: 25px;
  font-size: 2rem;
}

.footer-brand p {
  line-height: 1.8;
  margin-bottom: 30px;
  max-width: 400px;
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  color: var(--color-white);
  font-size: 1.2rem;
  transition: var(--transition-smooth);
}

.social-links a:hover {
  background: var(--color-accent);
  transform: translateY(-3px);
}

.footer-widget h4 {
  color: var(--color-white);
  font-size: 1.2rem;
  margin-bottom: 30px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-widget ul li {
  margin-bottom: 15px;
}

.footer-widget ul li a {
  color: rgba(255,255,255,0.7);
  transition: var(--transition-smooth);
  display: inline-block;
}

.footer-widget ul li a:hover {
  color: var(--color-accent);
  transform: translateX(5px);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
}

.footer-contact i {
  color: var(--color-accent);
  font-size: 1.2rem;
  margin-top: 4px;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.9rem;
}

/* --- Responsive --- */
@media (max-width: 1200px) {
  .hero h1 { font-size: 3.5rem; }
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px) {
  .product-detail-layout {
    grid-template-columns: 1fr;
  }
  .product-gallery {
    position: relative;
    top: 0;
    height: 400px;
  }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; } /* Hamburger menu needed in real app */
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  .section { padding: 80px 0; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .action-area { flex-direction: column; }
}

/* --- Mobile Menu Styles --- */
.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--color-white);
    font-size: 1.8rem;
    cursor: pointer;
    padding: 10px;
    margin-left: auto; /* Push to the right */
}

header.scrolled .mobile-menu-btn {
    color: var(--color-primary);
}

@media (max-width: 992px) {
    .main-nav {
        flex-wrap: wrap; /* Allow wrapping */
        justify-content: space-between; /* Space out logo and menu button */
    }
    
    .mobile-menu-btn {
        display: block;
        order: 2; /* Ensure it's next to the logo on top */
        margin-left: auto;
    }
    
    .logo-text {
        order: 1;
        max-width: 70%; /* Prevent logo from taking full width */
    }
    
    .main-nav form {
        display: none !important; /* hide by default on mobile */
        width: 100%;
        margin: 15px 0 0 0 !important;
        order: 3;
    }
    
    .nav-links {
        display: none; /* hide by default */
        width: 100%;
        flex-direction: column;
        gap: 15px;
        order: 4;
        margin-top: 15px;
        background: var(--glass-bg);
        padding: 20px;
        border-radius: 8px;
        box-shadow: var(--shadow-soft);
    }
    
    .nav-links.show-mobile, .main-nav form.show-mobile {
        display: flex !important;
        animation: fadeIn 0.3s ease-in-out;
    }
    
    .nav-links a {
        color: var(--color-primary) !important;
        display: block;
        padding: 10px;
        border-radius: 4px;
        text-align: center;
    }
    
    .nav-links a:hover {
        background: rgba(0,0,0,0.05);
    }
    
    .nav-links .btn {
        width: 100%;
    }
    
    /* Make header background solid on open */
    header.menu-open {
        background: var(--color-white);
    }
    header.menu-open .logo-text, header.menu-open .mobile-menu-btn {
        color: var(--color-primary) !important;
    }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Sidebar fix for mobile */
@media (max-width: 768px) {
    .section .container > div[style*="grid-template-columns: 300px"] {
        display: flex !important;
        flex-direction: column;
        gap: 30px !important;
    }
    aside[data-aos] > div {
        position: static !important;
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 992px) {
    .section .container > div[style*="grid-template-columns: 1fr 1.2fr"] {
        display: flex !important;
        flex-direction: column-reverse;
        gap: 40px !important;
    }
}