/* ==========================================================================
   PackTech Solutions - B2B Premium Styling System (style.css)
   ========================================================================== */

:root {
    --primary: #0f172a;       /* Slate 900 (deep header/body contrast) */
    --primary-light: #1e293b; /* Slate 800 (card details) */
    --primary-bg: #090d16;    /* Dark space */
    --accent: #10b981;        /* Emerald 500 (sustainability green) */
    --accent-hover: #059669;  /* Emerald 600 */
    --accent-glow: rgba(16, 185, 129, 0.2);
    --secondary: #3b82f6;     /* Blue 500 (packaging tech color) */
    --secondary-hover: #2563eb;
    --secondary-glow: rgba(59, 130, 246, 0.2);
    --neutral-light: #f8fafc; /* Slate 50 */
    --neutral-gray: #e2e8f0;  /* Slate 200 */
    --text-dark: #1e293b;     /* Slate 800 */
    --text-light: #f8fafc;    /* Slate 50 */
    --text-muted: #64748b;    /* Slate 500 */
    --white: #ffffff;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.12), 0 10px 10px -5px rgba(15, 23, 42, 0.06);
    --shadow-xl: 0 30px 40px -10px rgba(15, 23, 42, 0.2);
}

/* ==========================================================================
   RESET & FOUNDATIONS
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--neutral-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

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

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

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

.section-tag {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
    display: inline-block;
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 60px auto;
}

/* Button UI */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.975rem;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--accent-glow);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(5px);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
    transform: translateY(-2px);
}

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

.btn-dark:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.25);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    transition: var(--transition);
}

.main-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
    padding: 8px 0;
}

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

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    height: 42px;
    width: 42px;
    object-fit: cover;
    border-radius: 8px;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary);
    letter-spacing: -0.02em;
}

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

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

.nav-item {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-dark);
    position: relative;
    padding: 6px 0;
}

.nav-item:not(.btn-nav):after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: var(--transition);
}

.nav-item:not(.btn-nav):hover:after,
.nav-item:not(.btn-nav).active:after {
    width: 100%;
}

.btn-nav {
    background-color: var(--primary);
    color: var(--white);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.btn-nav:hover {
    background-color: var(--accent);
    color: var(--white);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--primary);
    cursor: pointer;
}

/* ==========================================================================
   HERO BANNER
   ========================================================================== */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-image: linear-gradient(rgba(15, 23, 42, 0.65), rgba(15, 23, 42, 0.85)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    padding-top: 76px;
    overflow: hidden;
}

.hero-content {
    max-width: 750px;
    position: relative;
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}

.hero-tag {
    background-color: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 24px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-title {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 24px;
    line-height: 1.15;
    font-weight: 800;
}

.hero-title span {
    color: var(--accent);
}

.hero-desc {
    font-size: 1.25rem;
    color: rgba(248, 250, 252, 0.85);
    margin-bottom: 40px;
    max-width: 650px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Hero Background Geometric Elements */
.hero-blob {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    z-index: 1;
    pointer-events: none;
}

/* ==========================================================================
   PRODUCTS SHOWCASE
   ========================================================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.product-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--neutral-gray);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(16, 185, 129, 0.3);
}

.product-img-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-img {
    transform: scale(1.05);
}

.product-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: var(--primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    letter-spacing: 0.1em;
}

.product-info {
    padding: 32px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-name {
    font-size: 1.75rem;
    margin-bottom: 12px;
}

.product-desc {
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 0.975rem;
}

.product-specs {
    list-style: none;
    margin-bottom: 32px;
}

.product-specs li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: var(--text-dark);
}

.product-specs li i {
    color: var(--accent);
    font-size: 1rem;
}

.product-action {
    margin-top: auto;
}

.product-action .btn {
    width: 100%;
}

/* ==========================================================================
   INTERACTIVE CALCULATOR WIDGET
   ========================================================================== */
.calculator-section {
    background-color: var(--primary-light);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

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

.calculator-section .section-subtitle {
    color: rgba(248, 250, 252, 0.7);
}

.calc-container {
    background-color: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    max-width: 900px;
    margin: 0 auto;
}

.calc-tabs {
    display: flex;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.calc-tab {
    flex: 1;
    background: none;
    border: none;
    color: rgba(248, 250, 252, 0.6);
    padding: 20px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.125rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.calc-tab:hover {
    color: var(--white);
    background-color: rgba(255, 255, 255, 0.01);
}

.calc-tab.active {
    color: var(--accent);
    background-color: rgba(255, 255, 255, 0.03);
    border-bottom: 3px solid var(--accent);
}

.calc-body {
    padding: 40px;
}

.calc-panel {
    display: none;
}

.calc-panel.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
}

.calc-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.calc-group-full {
    grid-column: span 2;
}

.calc-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.calc-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(248, 250, 252, 0.85);
}

.calc-input-wrapper {
    position: relative;
}

.calc-input {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    color: var(--white);
    padding: 12px 48px 12px 16px;
    font-size: 1rem;
    font-family: var(--font-body);
    transition: var(--transition);
}

.calc-input:focus {
    outline: none;
    border-color: var(--accent);
    background-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.calc-unit {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.875rem;
    color: rgba(248, 250, 252, 0.45);
    font-weight: 500;
}

.calc-select {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    color: var(--white);
    padding: 12px 16px;
    font-size: 1rem;
    font-family: var(--font-body);
    transition: var(--transition);
    cursor: pointer;
}

.calc-select:focus {
    outline: none;
    border-color: var(--accent);
}

.calc-select option {
    background-color: var(--primary-light);
    color: var(--white);
}

.calc-result-box {
    background-color: rgba(16, 185, 129, 0.06);
    border: 1px dashed rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-md);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.calc-result-title {
    font-size: 1rem;
    color: rgba(248, 250, 252, 0.7);
    margin-bottom: 8px;
    font-weight: 500;
}

.calc-val {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 8px;
}

.calc-result-desc {
    font-size: 0.875rem;
    color: rgba(248, 250, 252, 0.55);
}

.calc-result-actions {
    margin-top: 24px;
    width: 100%;
}

.calc-result-actions .btn {
    width: 100%;
}

/* ==========================================================================
   B2B REQUEST FOR QUOTE FORM
   ========================================================================== */
.rfq-section {
    background-color: #f1f5f9;
}

.rfq-grid {
    display: grid;
    grid-template-columns: 0.82fr 1.18fr;
    gap: 60px;
    align-items: start;
}

.rfq-card-info {
    background-color: var(--primary);
    color: var(--white);
    padding: 48px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    height: 100%;
}

.rfq-info-title {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 20px;
}

.rfq-info-desc {
    color: rgba(248, 250, 252, 0.7);
    margin-bottom: 40px;
    font-size: 1rem;
}

.rfq-perks {
    list-style: none;
}

.rfq-perk-item {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
}

.rfq-perk-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    background-color: rgba(16, 185, 129, 0.12);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.125rem;
}

.rfq-perk-text h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.rfq-perk-text p {
    font-size: 0.875rem;
    color: rgba(248, 250, 252, 0.55);
}

.rfq-form-card {
    background-color: var(--white);
    padding: 48px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--neutral-gray);
}

.rfq-form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.rfq-full {
    grid-column: span 2;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-light);
}

.form-group label span {
    color: #ef4444;
}

.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--neutral-gray);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.975rem;
    transition: var(--transition);
    color: var(--text-dark);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3.5px var(--accent-glow);
}

.form-select {
    cursor: pointer;
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Dynamic Parameter Boxes */
.dynamic-params-container {
    background-color: var(--neutral-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--neutral-gray);
    padding: 24px;
}

.dynamic-params-container h4 {
    margin-bottom: 16px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dynamic-params-container h4 i {
    color: var(--accent);
}

.dynamic-fields-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

/* Form Action Button and Response Messages */
.form-submit-wrapper {
    margin-top: 12px;
}

.form-submit-wrapper .btn {
    width: 100%;
}

.form-response-msg {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    display: none;
    align-items: center;
    gap: 12px;
}

.form-response-msg.success {
    display: flex;
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.form-response-msg.error {
    display: flex;
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.main-footer {
    background-color: var(--primary);
    color: var(--white);
    padding: 80px 0 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

.col-brand {
    padding-right: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    text-decoration: none;
}

.footer-logo-img {
    height: 42px;
    width: 42px;
    object-fit: cover;
    border-radius: 8px;
    background-color: var(--white);
    padding: 2px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.footer-logo .logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--white);
    letter-spacing: -0.02em;
}

.footer-logo .logo-text span {
    color: var(--accent);
}

.brand-desc {
    color: rgba(248, 250, 252, 0.65);
    font-size: 0.925rem;
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: rgba(248, 250, 252, 0.8);
}

.social-links a:hover {
    background-color: var(--accent);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-title {
    color: var(--white);
    font-size: 1.15rem;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 8px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--accent);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(248, 250, 252, 0.65);
    font-size: 0.925rem;
}

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

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    color: rgba(248, 250, 252, 0.65);
    font-size: 0.925rem;
    align-items: flex-start;
}

.footer-contact li i {
    color: var(--accent);
    margin-top: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 30px 0;
}

.footer-bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: rgba(248, 250, 252, 0.45);
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom-flex a:hover {
    color: var(--white);
}

/* ==========================================================================
   FLOATING WHATSAPP TRIGGER & TOOLTIP
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(8deg);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-tooltip {
    position: absolute;
    right: 75px;
    background-color: var(--primary);
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background-color: var(--primary);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    right: 70px;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 992px) {
    .section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 2.125rem;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .calc-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .rfq-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        border-bottom: 1px solid var(--neutral-gray);
        flex-direction: column;
        padding: 30px 24px;
        gap: 20px;
        align-items: stretch;
        display: none;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.open {
        display: flex;
        animation: fadeInDown 0.4s ease;
    }
    
    .btn-nav {
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-desc {
        font-size: 1.1rem;
    }
    
    .calc-body {
        padding: 24px;
    }
    
    .calc-form {
        grid-template-columns: 1fr;
    }
    
    .calc-group-full {
        grid-column: span 1;
    }
    
    .rfq-form-card {
        padding: 28px;
    }
    
    .rfq-form-grid {
        grid-template-columns: 1fr;
    }
    
    .rfq-full {
        grid-column: span 1;
    }
    
    .dynamic-fields-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   ANIMATIONS & KEYFRAMES
   ========================================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ==========================================================================
   ABOUT US - CLIENT LOGOS & TESTIMONIALS STYLE
   ========================================================================== */
.client-logos-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
    align-items: center;
}

.logo-item {
    background-color: var(--white);
    border: 1px solid var(--neutral-gray);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    opacity: 0.65;
    transition: var(--transition);
}

.logo-item i {
    font-size: 2.25rem;
    color: var(--primary-light);
    transition: var(--transition);
}

.logo-item span {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-dark);
}

.logo-item:hover {
    opacity: 1;
    transform: translateY(-3px);
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
}

.logo-item:hover i {
    color: var(--accent);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background-color: var(--white);
    border: 1px solid var(--neutral-gray);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(16, 185, 129, 0.2);
}

.testimonial-card .rating {
    color: #f59e0b; /* Amber 500 */
    font-size: 0.95rem;
    margin-bottom: 20px;
    display: flex;
    gap: 4px;
}

.feedback-text {
    font-style: italic;
    color: var(--text-dark);
    font-size: 0.975rem;
    line-height: 1.6;
    margin-bottom: 28px;
}

.client-info {
    display: flex;
    align-items: center;
    gap: 16px;
    border-top: 1px solid var(--neutral-gray);
    padding-top: 20px;
    margin-top: auto;
}

.avatar-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--neutral-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    font-size: 1.25rem;
    border: 1.5px solid var(--neutral-gray);
}

.client-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary);
}

.client-title {
    font-size: 0.775rem;
    color: var(--text-muted);
    display: block;
}

/* Map placeholder animations */
@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.specs-table th, .specs-table td {
    padding: 12px;
    text-align: left;
}

@media (max-width: 992px) {
    .client-logos-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .client-logos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==========================================================================
   EXPANDED CATALOG & PRODUCT LINEUP STYLES
   ========================================================================== */
.catalog-category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 50px 0 24px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--neutral-gray);
}

.catalog-category-header:first-of-type {
    margin-top: 0;
}

.catalog-category-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background-color: var(--primary);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
}

.catalog-category-title {
    font-size: 1.65rem;
    color: var(--primary);
    margin: 0;
}

.products-catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.catalog-item-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--neutral-gray);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.catalog-item-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(16, 185, 129, 0.4);
}

.catalog-img-wrapper {
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
    position: relative;
    background-color: var(--neutral-gray);
}

.catalog-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.catalog-item-card:hover .catalog-img {
    transform: scale(1.05);
}


.catalog-item-body {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.catalog-badge {
    align-self: flex-start;
    background-color: rgba(16, 185, 129, 0.12);
    color: var(--accent-hover);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 4px 10px;
    border-radius: 50px;
    margin-bottom: 14px;
}

.catalog-item-title {
    font-size: 1.35rem;
    margin-bottom: 10px;
    color: var(--primary);
}

.catalog-item-desc {
    color: var(--text-muted);
    font-size: 0.925rem;
    line-height: 1.55;
    margin-bottom: 20px;
    flex-grow: 1;
}

.catalog-specs-list {
    list-style: none;
    margin-bottom: 24px;
    border-top: 1px dashed var(--neutral-gray);
    padding-top: 16px;
}

.catalog-specs-list li {
    font-size: 0.875rem;
    color: var(--text-dark);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.catalog-specs-list li i {
    color: var(--accent);
    font-size: 0.85rem;
}

.catalog-item-footer {
    display: flex;
    gap: 10px;
    margin-top: auto;
}

.catalog-item-footer .btn {
    width: 100%;
    font-size: 0.9rem;
    padding: 10px 16px;
}

@media (max-width: 1024px) {
    .products-catalog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .products-catalog-grid {
        grid-template-columns: 1fr;
    }
}