:root {
    --color-black: #000000;
    --color-blue: #1E90FF;
    --color-gray-dark: #A9A9A9;
    --color-gray-light: #F0F0F0;
    --color-white: #ffffff;
    
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Roboto', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
    
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --header-height: 68px;
    --container-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-gray-light);
    overflow-x: hidden;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-blue);
    color: var(--color-gray-light);
    padding: 10px 20px;
    z-index: 10000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

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

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--color-black);
}

.section-title.text-light {
    color: var(--color-white);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-blue);
    color: var(--color-gray-light);
}

.btn-primary:hover {
    background-color: #1873cc;
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background-color: var(--color-blue);
    color: var(--color-gray-light);
}

.btn-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(30, 144, 255, 0.4); }
    50% { box-shadow: 0 0 0 15px rgba(30, 144, 255, 0); }
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    transition: background-color var(--transition-medium);
}

.header.scrolled {
    background-color: rgba(0, 0, 0, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: block;
    width: 140px;
}

.logo img {
    width: 100%;
    height: auto;
}

.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-gray-light);
    transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--color-black);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transition: right var(--transition-medium);
    z-index: 999;
}

.nav.active {
    right: 0;
}

.nav-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-gray-light);
    text-transform: uppercase;
    letter-spacing: 2px;
}

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

.nav-cta {
    margin-top: 1rem;
}

/* Hero Section */
.hero,
.page-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero-bg,
.page-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg-image,
.page-hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.7) 0%,
        rgba(0, 0, 0, 0.5) 50%,
        rgba(0, 0, 0, 0.8) 100%
    );
}

.hero-content,
.page-hero-content {
    text-align: center;
    padding: 2rem;
    max-width: 900px;
}

.hero-title {
    margin-bottom: 1.5rem;
}

.title-text {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-gray-light);
    text-transform: uppercase;
    letter-spacing: 4px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5), 0 0 30px rgba(30, 144, 255, 0.3); }
    50% { text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5), 0 0 60px rgba(30, 144, 255, 0.6); }
}

.hero-tagline {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--color-gray-light);
    letter-spacing: 3px;
    margin-bottom: 2.5rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.5s;
}

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

.hero-cta {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.8s;
}

.page-title {
    font-size: 2.5rem;
    color: var(--color-gray-light);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray-light);
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
}

/* Intro Problem/Solution */
.intro-problem-solution {
    padding: 5rem 0;
    background-color: var(--color-gray-light);
}

.intro-problem-solution .section-title {
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.problem-solution-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.problem-block,
.solution-block {
    padding: 2rem;
    background: var(--color-white);
    border-left: 4px solid var(--color-blue);
}

.problem-block h3,
.solution-block h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--color-black);
}

.problem-block p,
.solution-block p {
    color: #555;
    line-height: 1.7;
}

/* Core Capabilities */
.core-capabilities {
    padding: 5rem 0;
    background-color: var(--color-white);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.capability-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem;
    background: var(--color-gray-light);
    border-radius: 8px;
    transition: all var(--transition-medium);
}

.capability-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.capability-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
    color: var(--color-blue);
}

.capability-icon svg {
    width: 100%;
    height: 100%;
}

.capability-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.capability-card p {
    color: #666;
    font-size: 0.95rem;
}

/* Why Phantom */
.why-phantom {
    padding: 5rem 0;
    background-color: var(--color-black);
}

.why-phantom .section-title {
    color: var(--color-gray-light);
}

.differentiators-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.differentiator-item {
    padding: 2rem;
    border: 1px solid var(--color-gray-dark);
    border-radius: 8px;
    transition: border-color var(--transition-medium);
}

.differentiator-item:hover {
    border-color: var(--color-blue);
}

.diff-number {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-blue);
    margin-bottom: 1rem;
}

.differentiator-item h3 {
    font-size: 1.3rem;
    color: var(--color-gray-light);
    margin-bottom: 0.75rem;
}

.differentiator-item p {
    color: var(--color-gray-dark);
    line-height: 1.6;
}

/* Our Process */
.our-process {
    padding: 5rem 0;
    background-color: var(--color-gray-light);
    overflow: hidden;
}

.process-scroll {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    overflow-x: auto;
    padding-bottom: 1rem;
    scroll-snap-type: x mandatory;
}

.process-step {
    flex: 0 0 280px;
    scroll-snap-align: start;
    text-align: center;
    padding: 2rem;
    background: var(--color-white);
    border-radius: 8px;
    position: relative;
}

.step-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 1rem;
    color: var(--color-blue);
}

.step-icon svg {
    width: 100%;
    height: 100%;
}

.step-num {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-gray-dark);
    opacity: 0.3;
}

.process-step h4 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.process-step p {
    font-size: 0.9rem;
    color: #666;
}

/* Featured Projects */
.featured-projects {
    position: relative;
    padding: 5rem 0;
    overflow: hidden;
}

.featured-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.featured-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.3);
}

.featured-projects .section-title {
    color: var(--color-gray-light);
}

.project-carousel {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.project-slide {
    display: none;
    animation: fadeIn 0.5s ease;
}

.project-slide.active {
    display: block;
}

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

.project-card {
    text-align: center;
    padding: 3rem;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.project-card h3 {
    font-size: 1.5rem;
    color: var(--color-gray-light);
    margin-bottom: 1rem;
}

.project-card p {
    color: var(--color-gray-dark);
    margin-bottom: 1.5rem;
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.carousel-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-gray-dark);
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.carousel-btn.active,
.carousel-btn:hover {
    background: var(--color-blue);
}

/* Testimonials */
.testimonials {
    padding: 5rem 0;
    background-color: var(--color-gray-light);
}

.testimonial-carousel {
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-slide {
    display: none;
    text-align: center;
    animation: fadeIn 0.5s ease;
}

.testimonial-slide.active {
    display: block;
}

.testimonial {
    padding: 2rem;
}

.testimonial p {
    font-size: 1.3rem;
    font-style: italic;
    color: var(--color-black);
    margin-bottom: 1.5rem;
}

.testimonial cite {
    font-style: normal;
    color: var(--color-blue);
    font-weight: 600;
}

.testimonial cite span {
    display: block;
    font-weight: 400;
    color: #666;
    font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
    background-color: var(--color-blue);
    text-align: center;
}

.cta-section h2 {
    font-size: 2rem;
    color: var(--color-white);
    margin-bottom: 1rem;
}

.cta-section p {
    color: var(--color-white);
    opacity: 0.9;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* About Snippet */
.about-snippet {
    padding: 5rem 0;
    background-color: var(--color-white);
}

.about-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

.about-image img {
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-content h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.about-content p {
    color: #555;
    margin-bottom: 1rem;
    line-height: 1.7;
}

/* Equipment Snapshot */
.equipment-snapshot {
    padding: 5rem 0;
    background-color: var(--color-gray-light);
}

.equipment-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.equipment-item {
    text-align: center;
    padding: 2rem;
    background: var(--color-white);
    border-radius: 8px;
}

.equipment-item img {
    width: 100%;
    max-width: 400px;
    margin: 0 auto 1.5rem;
    border-radius: 4px;
}

.equipment-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.equipment-item p {
    color: #666;
    font-size: 0.9rem;
}

/* FAQ Snippet */
.faq-snippet {
    padding: 5rem 0;
    background-color: var(--color-white);
}

.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    border-bottom: 1px solid #ddd;
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    background: none;
    border: none;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-black);
    cursor: pointer;
    text-align: left;
}

.accordion-icon {
    width: 20px;
    height: 20px;
    position: relative;
    flex-shrink: 0;
    margin-left: 1rem;
}

.accordion-icon::before,
.accordion-icon::after {
    content: '';
    position: absolute;
    background-color: var(--color-blue);
    transition: transform var(--transition-fast);
}

.accordion-icon::before {
    width: 100%;
    height: 2px;
    top: 50%;
    transform: translateY(-50%);
}

.accordion-icon::after {
    width: 2px;
    height: 100%;
    left: 50%;
    transform: translateX(-50%);
}

.accordion-header[aria-expanded="true"] .accordion-icon::after {
    transform: translateX(-50%) rotate(90deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium);
}

.accordion-content p {
    padding-bottom: 1.5rem;
    color: #555;
    line-height: 1.6;
}

/* Contact Preview */
.contact-preview {
    padding: 5rem 0;
    background-color: var(--color-gray-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact-label {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--color-blue);
    text-transform: uppercase;
}

.contact-item a,
.contact-item address {
    color: var(--color-black);
    font-style: normal;
}

.contact-item a:hover {
    color: var(--color-blue);
}

.map-placeholder {
    width: 100%;
    height: 300px;
    background: #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: #888;
}

/* Footer */
.footer {
    background-color: var(--color-black);
    padding: 4rem 0 2rem;
    color: var(--color-gray-dark);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    width: 150px;
    margin-bottom: 1.5rem;
}

.footer-brand p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-gray-dark);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    border-color: var(--color-blue);
    color: var(--color-blue);
}

.social-links svg {
    width: 18px;
    height: 18px;
}

.footer-col h4 {
    font-size: 1rem;
    color: var(--color-gray-light);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a:hover {
    color: var(--color-blue);
}

.footer-col address {
    font-style: normal;
    line-height: 1.6;
}

.footer-col address p {
    margin-bottom: 0.5rem;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid #333;
    font-size: 0.9rem;
}

.trust-badges {
    display: flex;
    gap: 1rem;
}

.trust-badges span {
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--color-gray-dark);
    border-radius: 4px;
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

/* Blueprint Toggle */
.blueprint-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--color-black);
    border: 2px solid var(--color-gray-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 9999;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.blueprint-toggle.visible {
    opacity: 1;
}

.blueprint-toggle svg {
    width: 24px;
    height: 24px;
    color: var(--color-blue);
}

/* Blueprint Mode */
body.blueprint-mode {
    background-color: #0a1628;
}

body.blueprint-mode .header {
    background-color: rgba(10, 22, 40, 0.98);
}

body.blueprint-mode .section-title,
body.blueprint-mode h1,
body.blueprint-mode h2,
body.blueprint-mode h3,
body.blueprint-mode h4 {
    color: #5dade2;
    font-family: var(--font-mono);
}

body.blueprint-mode p,
body.blueprint-mode li {
    color: #aed6f1;
}

body.blueprint-mode .btn-primary {
    background: transparent;
    border: 2px solid #5dade2;
    color: #5dade2;
}

body.blueprint-mode .footer {
    background-color: #061018;
}

/* ==================== */
/* PAGE SPECIFIC STYLES */
/* ==================== */

/* About Page */
.company-history {
    padding: 5rem 0;
    background-color: var(--color-white);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--color-blue);
}

.timeline-item {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 2.5rem;
}

.timeline-marker {
    position: absolute;
    left: -6px;
    top: 0;
    width: 14px;
    height: 14px;
    background: var(--color-blue);
    border-radius: 50%;
}

.timeline-year {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-blue);
    display: block;
    margin-bottom: 0.5rem;
}

.timeline-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: #555;
}

/* Values */
.our-values {
    padding: 5rem 0;
    background-color: var(--color-gray-light);
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.value-card {
    text-align: center;
    padding: 2rem;
    background: var(--color-white);
    border-radius: 8px;
    transition: transform var(--transition-medium);
}

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

.value-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    color: var(--color-blue);
}

.value-icon svg {
    width: 100%;
    height: 100%;
}

.value-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.value-card p {
    color: #666;
}

/* Team */
.leadership-team {
    padding: 5rem 0;
    background-color: var(--color-white);
}

.team-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

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

.team-card img {
    width: 100%;
    max-width: 300px;
    margin: 0 auto 1.5rem;
    border-radius: 8px;
}

.team-info h3 {
    font-size: 1.4rem;
    margin-bottom: 0.25rem;
}

.team-title {
    display: block;
    color: var(--color-blue);
    font-weight: 500;
    margin-bottom: 1rem;
}

.team-info p {
    color: #555;
}

/* Quality Commitment */
.quality-commitment {
    position: relative;
    padding: 5rem 0;
    overflow: hidden;
}

.quality-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.quality-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4);
}

.quality-content {
    max-width: 600px;
    color: var(--color-gray-light);
}

.quality-content h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.quality-content p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.quality-list {
    list-style: disc;
    padding-left: 1.5rem;
}

.quality-list li {
    margin-bottom: 0.75rem;
}

/* Equipment Detailed */
.equipment-detailed {
    padding: 5rem 0;
    background-color: var(--color-gray-light);
}

.machine-showcase {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.machine-item {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

.machine-image img {
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.machine-info h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.machine-specs {
    list-style: none;
}

.machine-specs li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #ddd;
}

.machine-specs li:last-child {
    border-bottom: none;
}

/* Sustainability */
.sustainability {
    padding: 5rem 0;
    background-color: var(--color-white);
}

.sustainability-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.sustainability-content h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.sustainability-content p {
    color: #555;
    line-height: 1.7;
}

/* Services Page */
.service-categories {
    padding: 5rem 0;
    background-color: var(--color-gray-light);
}

.service-cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.service-card {
    display: block;
    background: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-card-content {
    padding: 1.5rem;
}

.service-card-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.service-card-content p {
    color: #666;
}

/* Service Detailed */
.service-detailed {
    padding: 5rem 0;
    background-color: var(--color-white);
}

.service-detailed-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.service-detailed-image img {
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.service-detailed-content h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.service-detailed-content p {
    color: #555;
    margin-bottom: 1rem;
    line-height: 1.7;
}

.materials-list,
.specs-list {
    list-style: none;
    margin: 1.5rem 0;
}

.materials-list li,
.specs-list li {
    padding: 0.5rem 0;
    color: #555;
}

.materials-list li strong,
.specs-list li strong {
    color: var(--color-black);
}

.service-reverse .service-detailed-grid {
    direction: rtl;
}

.service-reverse .service-detailed-content {
    direction: ltr;
}

/* Specialized Services */
.specialized-services {
    padding: 5rem 0;
    background-color: var(--color-gray-light);
}

.specialized-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.specialized-card {
    text-align: center;
    padding: 2rem;
    background: var(--color-white);
    border-radius: 8px;
    transition: transform var(--transition-medium);
}

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

.specialized-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    color: var(--color-blue);
}

.specialized-icon svg {
    width: 100%;
    height: 100%;
}

.specialized-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.specialized-card p {
    color: #666;
}

/* Materials Expertise */
.materials-expertise {
    padding: 5rem 0;
    background-color: var(--color-white);
}

.materials-categories {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.materials-category h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--color-blue);
}

.materials-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.materials-tags li {
    padding: 0.5rem 1rem;
    background: var(--color-gray-light);
    border-radius: 4px;
    font-size: 0.9rem;
    color: #555;
}

/* Quality Detail */
.quality-detail {
    padding: 5rem 0;
    background-color: var(--color-gray-light);
}

.quality-detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.quality-detail-content h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.quality-detail-content p {
    color: #555;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

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

.qa-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #ddd;
    color: #555;
}

.qa-list li strong {
    color: var(--color-black);
}

.quality-detail-image img {
    border-radius: 8px;
}

/* Case Study CTA */
.case-study-cta {
    padding: 5rem 0;
    background-color: var(--color-white);
}

.case-study-cta-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.case-study-cta-image img {
    border-radius: 8px;
}

.case-study-cta-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.case-study-cta-content p {
    color: #555;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Our Work Page */
.project-categories {
    padding: 3rem 0;
    background-color: var(--color-white);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 2px solid var(--color-gray-dark);
    border-radius: 4px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: #555;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-blue);
    border-color: var(--color-blue);
    color: var(--color-white);
}

/* Project Grid */
.project-grid-section {
    padding: 3rem 0 5rem;
    background-color: var(--color-gray-light);
}

.project-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.project-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    aspect-ratio: 4/3;
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.project-card:hover img {
    transform: scale(1.1);
}

.project-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    transform: translateY(100%);
    transition: transform var(--transition-medium);
}

.project-card:hover .project-card-overlay {
    transform: translateY(0);
}

.project-card-overlay h3 {
    font-size: 1.2rem;
    color: var(--color-gray-light);
    margin-bottom: 0.5rem;
}

.project-card-overlay p {
    font-size: 0.9rem;
    color: var(--color-gray-dark);
    margin-bottom: 1rem;
}

.view-btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--color-blue);
    color: var(--color-white);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 4px;
}

/* Featured Case Study */
.featured-case-study {
    padding: 5rem 0;
    background-color: var(--color-black);
}

.featured-case-study .section-title {
    text-align: left;
    margin-bottom: 2rem;
}

.case-study-detail {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.case-study-image img {
    border-radius: 8px;
}

.case-study-content h3 {
    font-size: 1.5rem;
    color: var(--color-gray-light);
    margin-bottom: 2rem;
}

.case-study-section {
    margin-bottom: 2rem;
}

.case-study-section h4 {
    font-size: 1.1rem;
    color: var(--color-blue);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
}

.case-study-section p {
    color: var(--color-gray-dark);
    line-height: 1.7;
}

.case-study-section ul {
    list-style: disc;
    padding-left: 1.5rem;
    color: var(--color-gray-dark);
}

.case-study-section li {
    margin-bottom: 0.5rem;
}

/* Client Logos */
.client-logos {
    padding: 5rem 0;
    background-color: var(--color-white);
}

.logos-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.client-logo {
    padding: 1rem 2rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: #888;
    filter: grayscale(100%);
    transition: filter var(--transition-medium);
}

.client-logo:hover {
    filter: grayscale(0%);
}

/* More Info */
.more-info {
    padding: 5rem 0;
    background-color: var(--color-gray-light);
}

.more-info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.more-info-col h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.more-info-col ul li {
    margin-bottom: 0.75rem;
}

.more-info-col ul li a {
    color: var(--color-blue);
}

.more-info-col ul li a:hover {
    text-decoration: underline;
}

/* Contact Page */
.contact-form-section {
    padding: 5rem 0;
    background-color: var(--color-white);
}

.form-container {
    max-width: 700px;
    margin: 0 auto;
}

.form-intro {
    text-align: center;
    color: #555;
    margin-bottom: 2.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--color-black);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px rgba(30, 144, 255, 0.1);
}

.form-group input.valid,
.form-group select.valid,
.form-group textarea.valid {
    border-color: #28a745;
}

.form-success {
    display: none;
    width: 20px;
    height: 20px;
    color: #28a745;
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}

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

.file-upload {
    position: relative;
}

.file-hint {
    display: block;
    font-size: 0.85rem;
    color: #888;
    margin-top: 0.5rem;
}

.btn-submit {
    margin-top: 1rem;
    padding: 16px 32px;
    font-size: 1rem;
}

/* Direct Details */
.direct-details {
    padding: 5rem 0;
    background-color: var(--color-gray-light);
}

.contact-methods-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.contact-method {
    text-align: center;
    padding: 2rem;
    background: var(--color-white);
    border-radius: 8px;
    transition: transform var(--transition-medium);
}

.contact-method:hover {
    transform: translateY(-5px);
}

.contact-method-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 1rem;
    color: var(--color-blue);
}

.contact-method-icon svg {
    width: 100%;
    height: 100%;
}

.contact-method h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.contact-method a,
.contact-method p,
.contact-method address {
    color: #555;
    font-style: normal;
}

.contact-method a:hover {
    color: var(--color-blue);
}

.map-link {
    color: var(--color-blue);
    text-decoration: underline;
}

/* FAQ Section */
.faq-section {
    padding: 5rem 0;
    background-color: var(--color-white);
}

/* Trust Badges Section */
.trust-badges-section {
    padding: 5rem 0;
    background-color: var(--color-gray-light);
}

.certifications-row {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.certification {
    padding: 1rem 2rem;
    border: 2px solid var(--color-gray-dark);
    border-radius: 8px;
}

.cert-name {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: #666;
}

/* Social Media Section */
.social-media-section {
    padding: 5rem 0;
    background-color: var(--color-white);
    text-align: center;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.social-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-gray-dark);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.social-icon:hover {
    border-color: var(--color-blue);
    color: var(--color-blue);
    transform: scale(1.1);
}

.social-icon svg {
    width: 28px;
    height: 28px;
}

/* ==================== */
/* RESPONSIVE STYLES     */
/* ==================== */

/* Tablet (768px - 1023px) */
@media (min-width: 768px) {
    :root {
        --header-height: 75px;
    }
    
    .container {
        padding: 0 40px;
    }
    
    .title-text {
        font-size: 3.5rem;
    }
    
    .page-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .problem-solution-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .capabilities-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .differentiators-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-scroll {
        flex-direction: row;
    }
    
    .equipment-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-split {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .service-detailed-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .specialized-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .materials-categories {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .quality-detail-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .case-study-cta-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .project-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .case-study-detail {
        grid-template-columns: 1fr 1fr;
    }
    
    .more-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-methods-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    :root {
        --header-height: 80px;
    }
    
    .container {
        padding: 0 60px;
    }
    
    .title-text {
        font-size: 4.5rem;
        letter-spacing: 6px;
    }
    
    .page-title {
        font-size: 3.5rem;
    }
    
    .hamburger {
        display: none;
    }
    
    .nav {
        position: static;
        flex-direction: row;
        width: auto;
        height: auto;
        background: none;
        gap: 2rem;
    }
    
    .nav-list {
        flex-direction: row;
        gap: 2rem;
    }
    
    .nav-link {
        font-size: 0.95rem;
        position: relative;
    }
    
    .nav-link::after {
        content: '';
        position: absolute;
        bottom: -4px;
        left: 50%;
        width: 0;
        height: 2px;
        background: var(--color-blue);
        transition: all var(--transition-fast);
        transform: translateX(-50%);
    }
    
    .nav-link:hover::after,
    .nav-link.active::after {
        width: 100%;
    }
    
    .nav-cta {
        margin-top: 0;
    }
    
    .differentiators-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .capabilities-grid {
        gap: 2.5rem;
    }
    
    .process-step {
        flex: 0 0 220px;
    }
    
    .equipment-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
    
    .values-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .service-cards-grid {
        gap: 2rem;
    }
    
    .specialized-grid {
        gap: 2rem;
    }
    
    .project-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-methods-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .certifications-row {
        gap: 4rem;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}