/* ==========================================================================
   Pressels CSS Core - Premium Royal Blue Theme
   ========================================================================== */

:root {
    /* Color Palette matching Pressels Logo (Royal Blue) */
    --primary-blue: #1b439c;
    --primary-dark: #0f2963;
    --primary-light: #eff6ff;
    --accent-orange: #e57c23;
    /* Heat / Energy Spark */
    --accent-orange-hover: #cf6811;
    --accent-green: #00a86b;
    /* Eco Green / Clean Patents */

    /* Background Hierarchy */
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-gray: #f1f5f9;
    --bg-dark-footer: #0c162c;

    /* Typography */
    --text-dark: #0f172a;
    --text-muted: #475569;
    --text-white: #ffffff;
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Outfit', sans-serif;

    /* Layout & Styling details */
    --border-light: rgba(15, 41, 99, 0.1);
    --border-strong: rgba(15, 41, 99, 0.2);
    --shadow-soft: 0 4px 20px rgba(15, 67, 156, 0.05);
    --shadow-medium: 0 10px 30px rgba(15, 67, 156, 0.09);
    --shadow-premium: 0 20px 40px rgba(15, 67, 156, 0.15);
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 8px;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-white);
    color: var(--text-dark);
    font-family: var(--font-body);
}

body {
    overflow-x: hidden;
    line-height: 1.6;
}

.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

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

button,
input,
select,
textarea {
    font-family: inherit;
}

/* Typography Helpers */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header-block {
    margin-bottom: 56px;
    max-width: 800px;
}

.section-header-block.text-center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.section-pretitle {
    font-family: var(--font-heading);
    color: var(--accent-orange);
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 2.5px;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 8px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 38px;
    font-weight: 700;
    line-height: 1.25;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 17px;
    line-height: 1.6;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 15px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--text-white);
    border: 1px solid var(--primary-blue);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(27, 67, 156, 0.25);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

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

.btn-header {
    background-color: transparent;
    color: var(--text-white);
    border: 1.5px solid var(--text-white);
    padding: 8px 18px;
    font-size: 14px;
}

.btn-header:hover {
    background-color: var(--text-white);
    color: #000000;
    box-shadow: var(--shadow-soft);
}

.btn-block {
    width: 100%;
}

/* Sticky Header Navigation */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: #000000;
    border-bottom: 1px solid var(--border-light);
    padding: 12px 0;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.04);
}

.header-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link {
    display: block;
}

.pressels-logo-svg svg {
    display: block;
    width: 220px;
    height: 72px;
}

.nav-menu {
    display: flex;
    gap: 28px;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-white);
    padding: 8px 0;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #93c5fd;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2.5px;
    background-color: #93c5fd;
    transition: var(--transition);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 2.5px;
    background-color: var(--text-white);
    border-radius: 2px;
    transition: var(--transition);
}

/* Mobile Nav Overlay */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 100%;
    width: 100%;
    height: 100vh;
    background-color: #000000;
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.mobile-nav-overlay.active {
    left: 0;
}

.mobile-nav-menu {
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
    width: 100%;
}

.mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-white);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--primary-blue);
}

/* SPA Pages Layout Routing */
.page-content-wrapper {
    margin-top: 82px;
}

.page-section {
    display: none;
    opacity: 0;
}

.page-section.active {
    display: block;
    animation: pageFadeIn 0.5s ease-out forwards;
}

@keyframes pageFadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Breadcrumbs utilities */
.breadcrumbs {
    background-color: var(--bg-light);
    border-bottom: 1px solid var(--border-light);
    padding: 14px 0;
    font-size: 14px;
    color: var(--text-muted);
}

.breadcrumbs a {
    color: var(--primary-blue);
    font-weight: 500;
}

.breadcrumbs span {
    font-weight: 600;
    color: var(--text-dark);
}

.section-padding {
    padding: 80px 0;
}

/* ==========================================
   PAGE: HOME STYLING
   ========================================== */

.hero-section {
    position: relative;
    padding: 80px 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 80% 20%, rgba(27, 67, 156, 0.05), transparent 45%),
        radial-gradient(circle at 10% 80%, rgba(229, 124, 35, 0.04), transparent 45%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-content {
    max-width: 680px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 50px;
    font-weight: 800;
    line-height: 1.15;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 36px;
    line-height: 1.6;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.video-container {
     position: relative;
     padding-bottom: 56.25%;
     height: 0;
     width: 100%;
     border-radius: var(--border-radius);
     border: 2px solid var(--border-light);
     box-shadow: var(--shadow-premium);
     overflow: hidden;
     background-color: #000;
 }

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ==========================================================================
   Thermax-Style Brand Intro & Ambient Video Layout
   ========================================================================== */

.brand-intro-section {
    background-color: #ffffff;
    padding: 80px 0 0 0;
    width: 100%;
}

.intro-text-grid {
    max-width: 1300px;
    margin: 0 auto 50px auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: flex-start;
}

.intro-heading-col h2 {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    color: #111827;
    line-height: 1.2;
}

.intro-heading-col .highlight-text {
    color: var(--accent-orange, #e57c23);
}

.intro-desc-col p {
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: #4b5563;
    line-height: 1.6;
    margin-bottom: 20px;
}

.discover-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: #111827;
    text-decoration: none;
    transition: color 0.2s ease;
}

.discover-link:hover {
    color: var(--primary-blue);
}

.dot-indicator {
    width: 8px;
    height: 8px;
    background-color: var(--accent-orange, #e57c23);
    border-radius: 50%;
    display: inline-block;
}

.intro-video-container {
    width: 100vw;
    max-width: 100%;
    height: 480px;
    overflow: hidden;
    position: relative;
    margin-left: 0;
    margin-right: 0;
    padding-left: 0;
    padding-right: 0;
}

.ambient-industrial-video {
    width: 100vw;
    max-width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transform: scale(1);
    transition: transform 0.3s ease-out;
}

.scroll-scale-video {
    transform: scale(1.15);
}

/* Hero Overlay */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.2) 100%);
}

.hero-video {
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     object-fit: cover;
 }

 .video-wrapper {
     position: relative;
     width: 100%;
     max-width: 500px;
 }

 .central-play-overlay {
     position: absolute;
     top: 0;
     left: 0;
     right: 0;
     bottom: 0;
     display: flex;
     align-items: center;
     justify-content: center;
     background: rgba(0, 0, 0, 0.3);
     z-index: 10;
     cursor: pointer;
 }

 .central-play-btn {
     width: 70px;
     height: 70px;
     border-radius: 50%;
     border: none;
     background-color: #ff0000;
     color: var(--text-white);
     font-size: 36px;
     cursor: pointer;
     display: flex;
     align-items: center;
     justify-content: center;
     transition: var(--transition);
     box-shadow: 0 4px 20px rgba(255, 0, 0, 0.4);
 }

 .central-play-btn:hover {
     transform: scale(1.1);
     box-shadow: 0 6px 28px rgba(255, 0, 0, 0.5);
 }

 .custom-controls {
     position: absolute;
     bottom: 0;
     left: 0;
     right: 0;
     display: flex;
     align-items: center;
     gap: 12px;
     padding: 12px 16px;
     background: rgba(0, 0, 0, 0.65);
     backdrop-filter: blur(8px);
     border-radius: 0 0 8px 8px;
     opacity: 0;
     transform: translateY(10px);
     transition: opacity 0.3s ease, transform 0.3s ease;
     z-index: 11;
 }

 .video-wrapper:not(.playing) .custom-controls,
 .video-container:hover .custom-controls {
     opacity: 1;
     transform: translateY(0);
 }

 .video-wrapper.playing .central-play-overlay {
     display: none !important;
 }

 .video-wrapper:not(.playing) .central-play-overlay {
     display: flex !important;
 }

 .control-btn {
     width: 36px;
     height: 36px;
     border-radius: 50%;
     border: none;
     background-color: var(--primary-blue);
     color: var(--text-white);
     font-size: 16px;
     cursor: pointer;
     display: flex;
     align-items: center;
     justify-content: center;
     transition: var(--transition);
 }

 .control-btn:hover {
     background-color: var(--primary-dark);
     transform: scale(1.1);
 }

 .progress-container {
     flex: 1;
 }

 .progress-slider {
     width: 100%;
     height: 6px;
     -webkit-appearance: none;
     background: rgba(255, 255, 255, 0.2);
     border-radius: 3px;
     outline: none;
     cursor: pointer;
 }

 .progress-slider::-webkit-slider-thumb {
     -webkit-appearance: none;
     width: 14px;
     height: 14px;
     border-radius: 50%;
     background: var(--primary-blue);
     cursor: pointer;
     transition: var(--transition);
 }

 .progress-slider::-webkit-slider-thumb:hover {
     transform: scale(1.3);
     background: var(--accent-orange);
 }

 .progress-slider::-moz-range-thumb {
     width: 14px;
     height: 14px;
     border-radius: 50%;
     background: var(--primary-blue);
     cursor: pointer;
     border: none;
     transition: var(--transition);
 }

 .progress-slider::-moz-range-thumb:hover {
     transform: scale(1.3);
     background: var(--accent-orange);
 }

 .progress-slider::-moz-range-track {
     background: rgba(255, 255, 255, 0.2);
     border-radius: 3px;
 }

.hero-overlay-text {
    position: absolute;
    bottom: 30px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 24px;
    padding: 0 24px;
}

.hero-overlay-text span {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
    background: rgba(0,0,0,0.3);
    padding: 6px 12px;
    border-radius: 4px;
    backdrop-filter: blur(4px);
}

@media (max-width: 768px) {
    .hero-overlay-text {
        flex-wrap: wrap;
        gap: 8px;
        bottom: 15px;
    }
    .hero-overlay-text span {
        font-size: 11px;
        padding: 4px 8px;
    }
}

@media (max-width: 992px) {
    .intro-text-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-bottom: 30px;
    }
    .intro-heading-col h2 {
        font-size: 2.2rem;
    }
    .intro-video-container {
        height: 300px;
    }
}

/* Quote Showcase inside Overview Card */
.vision-quote-showcase {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 32px;
    border-bottom: 1.5px solid var(--border-light);
    padding-bottom: 24px;
}

.quote-mark-icon {
    font-family: Georgia, serif;
    font-size: 64px;
    line-height: 1;
    height: 24px;
    color: var(--primary-blue);
    opacity: 0.2;
    margin-bottom: 4px;
}

.quote-large-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 22px;
    color: var(--primary-dark);
    line-height: 1.35;
    margin-bottom: 12px;
}

.quote-author-name {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
    color: var(--accent-orange);
}

/* Core Pillars */
.pillars-section {
    padding: 100px 0;
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(27, 67, 156, 0.03), transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(229, 124, 35, 0.02), transparent 30%);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.pillar-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: 48px 32px;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow-soft);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

.pillar-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.92);
    z-index: 1;
}

.pillar-card>* {
    position: relative;
    z-index: 2;
}

.pillar-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-medium);
}

.pillar-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.pillar-card h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    color: var(--primary-dark);
    margin-bottom: 16px;
    font-weight: 800;
}

.pillar-card p {
    color: var(--text-muted);
    font-size: 16px;
    margin-bottom: 24px;
    line-height: 1.6;
}

.pillar-link {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 15px;
    color: var(--primary-blue);
}

/* Overview Panel */
.overview-panel {
    padding: 100px 0;
}

.overview-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: center;
}

.overview-details h2 {
    font-family: var(--font-heading);
    font-size: 36px;
    color: var(--primary-dark);
    margin-bottom: 20px;
    font-weight: 700;
}

.overview-details p {
    color: var(--text-muted);
    font-size: 16px;
    margin-bottom: 36px;
    line-height: 1.6;
}

.quick-facts {
    display: flex;
    gap: 40px;
}

.fact-item {
    display: flex;
    flex-direction: column;
}

.fact-number {
    font-family: var(--font-heading);
    font-size: 38px;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
    margin-bottom: 6px;
}

.fact-lbl {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.overview-quote-card {
    background-color: var(--bg-light);
    border: 1px solid var(--border-light);
    padding: 48px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
}

.overview-quote-card h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    color: var(--primary-dark);
    margin-bottom: 24px;
    border-left: 4px solid var(--accent-orange);
    padding-left: 16px;
}

.question-list {
    list-style: none;
}

.question-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 15px;
    color: var(--text-dark);
    font-weight: 500;
}

.question-list li span {
    color: var(--accent-green);
    font-weight: 700;
}

/* ==========================================
   PAGE: ABOUT STYLING
   ========================================== */

.about-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 64px;
}

.lead-text {
    font-size: 19px;
    line-height: 1.6;
    color: var(--primary-dark);
    margin-bottom: 28px;
    font-weight: 500;
}

.about-main-text p {
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 16px;
}

/* Timeline Components */
.timeline-block {
    margin-top: 48px;
    border-left: 2px solid var(--border-strong);
    padding-left: 24px;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-badge {
    position: absolute;
    left: -24px;
    top: 6px;
    transform: translateX(-50%);
    z-index: 2;
    background-color: var(--primary-blue);
    color: var(--text-white);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 13px;
    padding: 4px 10px;
    border-radius: 4px;
    line-height: 1;
    white-space: nowrap;
}

.timeline-content {
    padding-top: 28px;
}

.timeline-content h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.timeline-content p {
    margin-bottom: 0;
    font-size: 14px;
}

/* Sidebar Info Block */
.about-sidebar {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.accent-box {
    background-color: var(--primary-light);
    border: 1px solid rgba(27, 67, 156, 0.15);
    border-radius: var(--border-radius);
    padding: 40px;
}

.accent-box h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.accent-box p {
    font-size: 14.5px;
    color: var(--text-dark);
    margin-bottom: 16px;
    line-height: 1.5;
}

.accent-box p:last-child {
    margin-bottom: 0;
}

.heritage-quote {
    background: linear-gradient(135deg, rgba(229, 124, 35, 0.05) 0%, transparent 100%);
    border-left: 4px solid var(--accent-orange);
    padding: 24px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.heritage-quote p {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 16px;
    color: var(--primary-dark);
    font-style: italic;
    line-height: 1.4;
}

/* ==========================================
   PAGE: PRODUCTS STYLING
   ========================================== */

.products-detailed-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 56px;
}

.product-detail-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.product-detail-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-premium);
}

.product-banner-overlay {
    height: 200px;
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.product-banner-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.4) 100%);
}

.product-title-overlay {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.product-card-title {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: var(--text-white);
    text-align: center;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    letter-spacing: 0.5px;
    margin: 0;
    line-height: 1.2;
}

.product-detail-body {
    padding: 32px 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-badge {
    font-family: var(--font-heading);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent-orange);
    margin-bottom: 12px;
    display: inline-block;
}

.product-detail-body h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.product-detail-body p {
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Patent list styling */
.patents-breakdown-box {
    background-color: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: 48px;
    box-shadow: var(--shadow-soft);
}

.box-title {
    font-family: var(--font-heading);
    font-size: 24px;
    color: var(--primary-dark);
    margin-bottom: 32px;
    text-align: center;
}

.patents-list-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.patent-list-item {
    background-color: var(--bg-white);
    border: 2px solid var(--border-strong);
    padding: 32px 24px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
}

.patent-list-item:hover {
    border-color: #93c5fd;
    box-shadow: 0 0 20px rgba(147, 197, 253, 0.4);
    transform: translateY(-4px);
}

.patent-seal-svg {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.patent-seal-svg svg {
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.patent-list-item h4 {
    font-family: var(--font-heading);
    font-size: 18px;
    color: var(--primary-dark);
    margin-bottom: 10px;
    text-align: center;
    font-weight: 700;
}

.patent-list-item p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 0;
    text-align: center;
    line-height: 1.5;
}

/* ==========================================
   PAGE: RETROFIT STYLING
   ========================================== */

.retrofit-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: center;
}

.retrofit-content h2 {
    margin-bottom: 24px;
}

.retrofit-content p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

.retrofit-callout {
    background-color: var(--primary-light);
    border-left: 4px solid var(--primary-blue);
    padding: 24px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    margin-top: 32px;
}

.retrofit-callout h4 {
    font-family: var(--font-heading);
    color: var(--primary-dark);
    font-size: 17px;
    margin-bottom: 8px;
}

.retrofit-callout p {
    margin-bottom: 0;
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.5;
}

.retrofit-spec-card {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    color: var(--text-white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-premium);
}

.retrofit-spec-card h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    margin-bottom: 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding-bottom: 16px;
}

.retrofit-spec-item {
    margin-bottom: 28px;
}

.retrofit-spec-item:last-child {
    margin-bottom: 0;
}

.spec-num {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-orange);
    display: block;
    line-height: 1;
    margin-bottom: 6px;
}

.spec-lbl {
    font-size: 14px;
    opacity: 0.85;
}

/* ==========================================
   PAGE: INFRASTRUCTURE STYLING
   ========================================== */

.infra-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.infra-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: 40px 32px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.infra-card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.infra-card-icon {
    font-size: 32px;
    margin-bottom: 20px;
}

.infra-card h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.infra-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ==========================================
   PAGE: FACTSHEET (Single Column)
   ========================================== */

.factsheet-single-column {
    max-width: 800px;
    margin: 0 auto;
}

/* ==========================================
   PAGE: CONTACT US
   ========================================== */

.contact-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
}

.contact-directory-column {
    display: flex;
    flex-direction: column;
}

.contact-cards-stack {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
}

.contact-card {
    display: flex;
    gap: 16px;
    background-color: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-soft);
}

.contact-card-icon {
    font-size: 28px;
    min-width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-light);
    border-radius: 50%;
}

.contact-card-content h4 {
    font-family: var(--font-heading);
    font-size: 16px;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.contact-card-content p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

.map-placeholder-wrapper {
    position: relative;
    margin-top: 16px;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-medium);
}

.map-overlay-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(27, 67, 156, 0.03), transparent 60%);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.map-loop-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.map-overlay-placeholder span {
    font-family: var(--font-heading);
    font-size: 13px;
    color: var(--primary-blue);
    font-weight: 600;
    background-color: var(--bg-white);
    padding: 8px 16px;
    border-radius: 4px;
    opacity: 0.8;
}

/* ==========================================
   PAGE: ENGINEERING CONSULTATION
   ========================================== */

.engineering-layout {
    max-width: 700px;
    margin: 0 auto;
}

.engineering-content {
    display: flex;
    flex-direction: column;
}

.premium-table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.premium-table th,
.premium-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.premium-table tr:last-child th,
.premium-table tr:last-child td {
    border-bottom: none;
}

.premium-table th {
    font-family: var(--font-heading);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 14.5px;
    width: 35%;
    background-color: var(--bg-light);
}

.premium-table td {
    font-size: 14.5px;
    font-weight: 500;
}

.accreditation-highlight strong {
    color: var(--primary-blue);
    display: block;
    font-size: 14.5px;
}

.accreditation-highlight span {
    font-size: 12px;
    color: var(--text-muted);
}

.certification-badges-container {
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--border-light);
}

.certification-badges-container h4 {
    font-family: var(--font-heading);
    font-size: 16px;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.badges-row {
    display: flex;
    gap: 24px;
    align-items: center;
}

.cert-badge-svg {
    background-color: var(--bg-white);
    padding: 8px;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-soft);
}

.cert-label-sub {
    font-size: 12px;
    color: var(--text-muted);
    display: block;
    margin-top: 16px;
    font-weight: 500;
}

.patent-seal-svg.pending svg {
    stroke: #e57c23;
}

.patent-seal-svg.pending svg text {
    fill: #e57c23;
}

/* Contact Form column */
.contact-form-column {
    display: flex;
    align-items: flex-start;
}

.contact-form-column .form-wrapper {
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    padding: 40px;
    width: 100%;
    box-shadow: var(--shadow-medium);
}

/* Contact page form wrapper specific */
#page-contact .form-wrapper {
    background-color: var(--bg-white);
}

/* Engineering page form wrapper */
#page-engineering .form-wrapper {
    background-color: var(--bg-light);
}

.form-wrapper h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.form-wrapper p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 28px;
}

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

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

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 13.5px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background-color: var(--bg-white);
    border: 1px solid var(--border-strong);
    color: var(--text-dark);
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 14px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(27, 67, 156, 0.12);
}

/* ==========================================
   FOOTER STYLING
   ========================================== */

.main-footer {
    background-color: var(--bg-dark-footer);
    color: var(--text-white);
    padding: 80px 0 40px 0;
    border-top: 4px solid var(--primary-blue);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 48px;
}

.footer-brand-column {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    margin-bottom: 24px;
}

.footer-about {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 24px;
    max-width: 340px;
    line-height: 1.6;
}

.footer-accreditations-label {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #93c5fd;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 6px 12px;
    border-radius: 4px;
    margin-bottom: 24px;
}

.footer-copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
    margin-top: auto;
    font-weight: 600;
}

.footer-links-column h3 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
    color: var(--text-white);
}

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

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

.footer-links-column a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
}

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

/* ==========================================
   RESPONSIVE LAYOUT MEDIA QUERIES
   ========================================== */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-cta-group {
        justify-content: center;
    }

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

    .overview-grid,
    .about-grid,
    .retrofit-grid,
    .contact-layout,
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .overview-quote-card,
    .about-sidebar,
    .retrofit-visual,
    .contact-form-column {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .main-header {
        padding: 16px 0;
    }

    .nav-menu,
    .header-actions {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    /* Toggle active animation */
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 30px;
    }

    .pillars-grid,
    .products-detailed-grid,
    .patents-list-grid,
    .infra-grid {
        grid-template-columns: 1fr;
    }

    .product-card-title {
        font-size: 20px;
    }

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

    .quick-facts {
        justify-content: space-around;
        gap: 20px;
    }
}