/* ==========================================================================
   Commercial Mechanical Inc. - Main Stylesheet
   ========================================================================== */

/* CSS Custom Properties (Design Tokens) */
:root {
    /* Brand Colors */
    --color-primary: #0A113C;
    --color-primary-light: #15235a;
    --color-primary-dark: #050814;
    --color-accent: #E52029;
    --color-accent-hover: #C51C22;
    --color-white: #FFFFFF;
    --color-silver: #B0B0B0;
    --color-silver-light: #D0D0D0;
    --color-silver-dark: #909090;
    
    /* Text Colors */
    --color-text-primary: #0A113C;
    --color-text-secondary: #4A4A4A;
    --color-text-light: #FFFFFF;
    --color-text-muted: #6B6B6B;
    
    /* Background Colors */
    --color-bg-light: #FFFFFF;
    --color-bg-off-white: #F8F9FA;
    --color-bg-light-gray: #F0F2F5;
    --color-bg-dark: #0A113C;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Typography */
    --font-family: 'Montserrat', Arial, sans-serif;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Font Sizes */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3rem;
    --font-size-hero: 3.5rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(10, 17, 60, 0.1);
    --shadow-md: 0 4px 8px rgba(10, 17, 60, 0.15);
    --shadow-lg: 0 8px 24px rgba(10, 17, 60, 0.2);
    --shadow-xl: 0 16px 48px rgba(10, 17, 60, 0.25);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-light);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    color: var(--color-text-primary);
}

h1 {
    font-size: var(--font-size-hero);
    font-weight: var(--font-weight-extrabold);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-xl);
}

h4 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--spacing-sm);
}

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

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.section-header p {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: var(--color-white);
    transform: perspective(1000px) rotateY(3deg);
    box-shadow: 0 0 15px 4px rgba(229, 32, 41, 0.4);
}

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

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

.btn-lg {
    padding: 16px 32px;
    font-size: var(--font-size-md);
}

.btn:active {
    transform: scale(0.98);
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    height: 90px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
}

/* Navigation */
.main-nav {
    display: none;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    position: relative;
    padding: var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

/* Header CTA */
.header-cta {
    display: none;
    align-items: center;
    gap: var(--spacing-md);
}

.phone-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
}

.phone-link:hover {
    color: var(--color-accent);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transition: all var(--transition-fast);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.mobile-menu-btn.active .hamburger {
    background-color: transparent;
}

.mobile-menu-btn.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-btn.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 90px;
    overflow: hidden;
}

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(10, 17, 60, 0.85), rgba(10, 17, 60, 0.6));
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out;
}

.hero-content h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    color: var(--color-silver-light);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

.hero-content .btn {
    margin-top: var(--spacing-sm);
}

/* About Introduction */
.about-intro {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light);
}

.about-intro-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-intro-content p {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Services Overview */
.services-overview {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-silver-light);
    transition: all var(--transition-normal);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    color: var(--color-white);
}

.service-icon svg {
    width: 30px;
    height: 30px;
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.service-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.service-link {
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
}

/* Why Choose Us */
.why-choose-us {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-primary);
    position: relative;
    overflow: hidden;
}

.why-choose-us::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/industrial-texture.png');
    background-size: cover;
    opacity: 0.1;
}

.why-choose-us .section-header h2 {
    color: var(--color-white);
}

.features-list {
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-normal);
}

.feature-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateX(10px);
}

.feature-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
    color: var(--color-white);
}

.feature-icon svg {
    width: 20px;
    height: 20px;
}

.feature-content h3 {
    color: var(--color-white);
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-xs);
}

.feature-content p {
    color: var(--color-silver);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* Project Showcase */
.project-showcase {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.project-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.project-image {
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    background: linear-gradient(to top, rgba(10, 17, 60, 0.9), transparent);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

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

.project-overlay h3 {
    color: var(--color-white);
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-xs);
}

.project-overlay p {
    color: var(--color-silver);
    font-size: var(--font-size-sm);
    margin: 0;
}

.project-link {
    display: inline-block;
    margin-top: var(--spacing-sm);
    color: var(--color-accent);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
}

.section-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* CTA Section */
.cta-section {
    position: relative;
    padding: var(--spacing-xxl) 0;
    overflow: hidden;
}

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

.cta-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-primary);
    opacity: 0.9;
}

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

.cta-content h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    color: var(--color-silver);
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-lg);
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: var(--color-silver);
}

.footer-top {
    padding: var(--spacing-xxl) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.footer h3 {
    color: var(--color-white);
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-md);
}

.footer-about p {
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

.footer-links ul,
.footer-services ul,
.footer-contact ul {
    list-style: none;
}

.footer-links li,
.footer-services li,
.footer-contact li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a,
.footer-contact a {
    color: var(--color-silver);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--color-white);
}

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-contact svg {
    flex-shrink: 0;
}

.footer-middle {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-social {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.licenses {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.license-badge {
    font-size: var(--font-size-xs);
    color: var(--color-silver);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-silver);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
    transform: scale(1.1);
}

.footer-bottom {
    padding: var(--spacing-md) 0;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-silver);
    margin: 0;
}

.legal-links {
    display: flex;
    gap: var(--spacing-md);
}

.legal-links a {
    font-size: var(--font-size-xs);
    color: var(--color-silver-dark);
}

/* ==========================================================================
   About Page Specific Styles
   ========================================================================== */

/* Hero - About */
.hero-about .hero-overlay {
    background: linear-gradient(to right, rgba(10, 17, 60, 0.8), rgba(10, 17, 60, 0.5));
}

/* Company Story */
.company-story {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light);
}

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

.story-content p {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

/* Values & Certifications */
.values-certifications {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light-gray);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.value-card {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.value-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    color: var(--color-white);
}

.value-icon svg {
    width: 30px;
    height: 30px;
}

.value-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.value-card p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

.certifications {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.certifications h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.license-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.license-badges .license-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-bg-light-gray);
    border-radius: var(--radius-md);
}

.license-badges .license-title {
    display: block;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
}

.license-badges .license-number {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* Meet Our Team */
.meet-team {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.team-card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.team-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.team-info {
    padding: var(--spacing-lg);
}

.team-info h3 {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.team-title {
    color: var(--color-accent);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.team-bio {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* ==========================================================================
   Services Page Specific Styles
   ========================================================================== */

/* Hero - Services */
.hero-services .hero-overlay {
    background: linear-gradient(to right, rgba(10, 17, 60, 0.85), rgba(10, 17, 60, 0.6));
}

/* All Services List */
.all-services {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light);
}

.services-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.service-list-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background-color: var(--color-bg-light-gray);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.service-list-item:hover {
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.service-list-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    flex-shrink: 0;
}

.service-list-icon svg {
    width: 40px;
    height: 40px;
}

.service-list-content h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.service-list-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

/* Our Process */
.our-process {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light-gray);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background-color: var(--color-silver-light);
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-full);
    position: relative;
    z-index: 1;
}

.process-step h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.process-step p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* ==========================================================================
   Service Detail Page Specific Styles
   ========================================================================== */

/* Hero - Service Detail */
.hero-service-detail .hero-overlay {
    background: linear-gradient(to right, rgba(10, 17, 60, 0.85), rgba(10, 17, 60, 0.5));
}

/* Service Description */
.service-description {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light);
}

.description-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.description-text h3 {
    color: var(--color-primary);
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

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

.benefits-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.benefits-list svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.description-image img {
    width: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

/* Related Projects */
.related-projects {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light-gray);
}

/* Service FAQ */
.service-faq {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light);
}

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

.faq-item {
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-silver-light);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-item summary {
    padding: var(--spacing-md);
    background-color: var(--color-bg-light-gray);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.faq-item summary:hover {
    background-color: var(--color-silver-light);
}

.faq-item[open] summary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.faq-item p {
    padding: var(--spacing-md);
    color: var(--color-text-secondary);
    margin: 0;
}

/* ==========================================================================
   Projects Page Specific Styles
   ========================================================================== */

/* Hero - Projects */
.hero-projects .hero-overlay {
    background: linear-gradient(to right, rgba(10, 17, 60, 0.85), rgba(10, 17, 60, 0.6));
}

/* Project Gallery */
.project-gallery {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light);
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    font-family: var(--font-family);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

/* Project Testimonials */
.project-testimonials {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light-gray);
}

.testimonial-carousel {
    max-width: 800px;
    margin: 0 auto;
    min-height: 200px;
}

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

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

.testimonial {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.testimonial p {
    font-size: var(--font-size-lg);
    font-style: italic;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.testimonial footer {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

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

.testimonial .company {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.carousel-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    background-color: var(--color-silver-light);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-dot.active,
.carousel-dot:hover {
    background-color: var(--color-accent);
}

/* ==========================================================================
   Contact Page Specific Styles
   ========================================================================== */

/* Hero - Contact */
.hero-contact .hero-overlay {
    background: linear-gradient(to right, rgba(10, 17, 60, 0.85), rgba(10, 17, 60, 0.6));
}

/* Contact Info */
.contact-info {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.contact-card {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-bg-light-gray);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    color: var(--color-white);
}

.contact-card h3 {
    color: var(--color-primary);
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-sm);
}

.contact-card ul {
    list-style: none;
}

.contact-card li,
.contact-card address {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-style: normal;
}

.contact-card a {
    color: var(--color-accent);
}

/* Contact Form */
.contact-form-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light-gray);
}

.contact-form {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.form-group .required {
    color: var(--color-accent);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-silver-light);
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

/* Location Map */
.location-map {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-bg-light);
}

.map-container {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scroll Reveal Animation Classes */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive Design - Mobile First
   ========================================================================== */

/* Small Phone (up to 480px) */
@media (max-width: 480px) {
    :root {
        --font-size-hero: 2rem;
        --font-size-3xl: 1.75rem;
        --font-size-2xl: 1.5rem;
    }

    .header-container {
        height: 60px;
    }

    .logo img {
        height: 35px;
    }

    .hero {
        min-height: 80vh;
        margin-top: 60px;
    }

    .hero-content {
        padding: var(--spacing-md);
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .process-timeline {
        grid-template-columns: 1fr;
    }

    .process-timeline::before {
        display: none;
    }

    .description-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .trust-social {
        flex-direction: column;
        text-align: center;
    }

    .footer-bottom .container {
        flex-direction: column;
        text-align: center;
    }
}

/* Large Phone (481px - 768px) */
@media (min-width: 481px) and (max-width: 768px) {
    :root {
        --font-size-hero: 2.5rem;
        --font-size-3xl: 2rem;
    }

    .header-container {
        height: 70px;
    }

    .hero {
        margin-top: 70px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .header-container {
        height: 80px;
    }

    .main-nav {
        display: block;
    }

    .header-cta {
        display: flex;
    }

    .mobile-menu-btn {
        display: none;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .values-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop (1025px+) */
@media (min-width: 1025px) {
    .main-nav {
        display: block;
    }

    .header-cta {
        display: flex;
    }

    .mobile-menu-btn {
        display: none;
    }

    /* Desktop Navigation */
    .nav-list {
        display: flex;
    }

    /* Parallax Effect for Hero (Desktop Only) */
    @media (min-width: 1025px) {
        .hero-bg img {
            transform: translateY(calc(var(--scroll-y, 0) * 0.3px));
        }
    }
}

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

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
    .header,
    .footer,
    .cta-section,
    .btn {
        display: none;
    }

    .hero {
        margin: 0;
        min-height: auto;
    }

    .hero-bg {
        display: none;
    }

    body {
        color: #000;
        background: #fff;
    }
}