/* ===================================
   CSS Reset & Base Styles
   =================================== */

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

:root {
    /* Color Palette */
    --primary: #003060;
    --secondary: #055c9d;
    --accent: #0e86d4;
    --soft: #68bbe3;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --gray: #6c757d;
    --dark: #212529;
    --border: #e9ecef;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 48, 96, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 48, 96, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 48, 96, 0.16);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ===================================
   Typography
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

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

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

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

/* ===================================
   Container & Layout
   =================================== */

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

section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
}

/* ===================================
   Navigation
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.logo a {
    display: block;
}

.logo img {
    height: 50px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--dark);
    font-weight: 500;
    padding: var(--spacing-xs) 0;
    position: relative;
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    transition: var(--transition);
}

.btn-whatsapp-header {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: #25D366;
    color: var(--white);
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition);
}

.btn-whatsapp-header:hover {
    background: #1EBE57;
    transform: translateY(-2px);
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    padding-top: 100px;
    padding-bottom: var(--spacing-md);
}

.hero-wrapper {
    display: grid;
    grid-template-columns: 480px 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-image {
    width: 100%;
    max-width: 480px;
    margin-top: 60px;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.typewriter-container {
    margin-top: var(--spacing-md);
    text-align: center;
    height: 70px;
    display: block;
    padding: var(--spacing-sm);
    width: 100%;
    overflow: hidden;
}

.typewriter-text {
    font-size: 1.125rem;
    color: var(--primary);
    font-weight: 600;
    display: inline;
    word-wrap: break-word;
}

.typewriter-cursor {
    display: inline;
    color: var(--accent);
    font-weight: 400;
    animation: blink 1s infinite;
    margin-left: 2px;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-content {
    text-align: left;
}

.hero-greeting {
    color: var(--secondary);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.hero-title {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    color: var(--secondary);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.hero-description {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

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

/* ===================================
   Stats Section
   =================================== */

.stats {
    background: var(--primary);
    padding: var(--spacing-lg) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    text-align: center;
}

.stat-item {
    color: var(--white);
}

.stat-number {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--soft);
    display: block;
    margin-bottom: var(--spacing-xs);
    line-height: 1;
    transition: var(--transition);
}

.stat-number.count-completed {
    animation: bounce 0.5s ease;
}

@keyframes bounce {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
}

/* ===================================
   Experience Timeline
   =================================== */

.experience {
    background: var(--light-gray);
    text-align: center;
    padding-bottom: 50px;
}

.timeline {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
    padding: var(--spacing-md) 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    align-items: center;
}

.timeline::after {
    content: '';
    display: block;
    height: 300px;
    width: 100%;
}

.timeline-item {
    position: sticky;
    top: 100px;
    margin-bottom: 0;
    margin-left: auto;
    margin-right: auto;
    width: 90%;
    max-width: 700px;
    z-index: var(--stack-index, 1);
    transition: transform 0.3s ease-out;
}

.timeline-content {
    position: relative;
    width: 100%;
    padding: var(--spacing-md);
    background: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    text-align: center;
    border-top: 4px solid var(--accent);
    min-height: 280px;
    isolation: isolate;
    overflow: hidden;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #ffffff;
    z-index: -1;
    border-radius: var(--radius-lg);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.timeline-marker {
    display: none;
}

.timeline-date {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--accent);
    color: var(--white);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.timeline-title {
    color: var(--primary);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.timeline-company {
    color: var(--secondary);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.timeline-description {
    color: var(--gray);
    line-height: 1.6;
    text-align: left;
}

.timeline-description-list {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.timeline-description-list li {
    color: var(--gray);
    line-height: 1.8;
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
}

.timeline-description-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
    font-size: 1.1rem;
}

/* ===================================
   BIM Ticker Section
   =================================== */

.bim-ticker {
    background: var(--primary);
    color: var(--white);
    padding: 12px 0;
    overflow: hidden;
    position: relative;
    z-index: 10;
}

.ticker-track {
    display: flex;
    width: 200%;
    animation: ticker-scroll 40s ease-in-out infinite;
}

.ticker-content {
    flex: 0 0 50%;
    display: flex;
    align-items: center;
    justify-content: space-around;
    gap: 4rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

@keyframes ticker-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ===================================
   Clients Section
   =================================== */

.clients {
    background: var(--white);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    align-items: center;
    justify-items: center;
    justify-content: center;
}

.client-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    min-height: 120px;
    width: 100%;
    text-align: center;
}

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

.client-logo img {
    max-width: 100%;
    width: 100%;
    max-height: 120px;
    object-fit: contain;
    object-position: center;
    margin: 0 auto;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition);
}

.client-logo:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* ===================================
   Training Showcase Section
   =================================== */

.training-showcase {
    background: var(--light-gray);
    padding: 0;
}

.training-showcase-grid {
    display: grid;
    grid-template-columns: 1fr 2.5fr;
    gap: 0;
    align-items: stretch;
    min-height: 500px;
}

.training-showcase-left {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    padding: var(--spacing-xl);
    padding-right: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.training-info-box {
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: space-between;
}

.training-title {
    color: var(--white);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.training-subtitle-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.training-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}

.training-controls {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--spacing-md);
}

.training-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid var(--white);
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1rem;
}

.training-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.training-dots {
    display: flex;
    gap: var(--spacing-xs);
}

.training-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    padding: 0;
}

.training-dot.active {
    background: var(--white);
    transform: scale(1.3);
}

.training-showcase-right {
    width: 100%;
    overflow: hidden;
}

.training-showcase-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ===================================
   Services Section
   =================================== */

.services {
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), var(--soft));
    border-radius: var(--radius-xl);
    font-size: 2rem;
    color: var(--white);
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--gray);
    margin-bottom: var(--spacing-md);
}

.service-features {
    list-style: none;
    text-align: left;
    margin-bottom: 0;
}

.service-features li {
    padding: var(--spacing-xs) 0;
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.service-features li::before {
    content: '✓';
    color: var(--accent);
    font-weight: bold;
}

.services-cta {
    margin-top: var(--spacing-xl);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
}

.services-cta-text {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.services-cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.services-cta .btn-outline {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
}

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

/* ===================================
   Courses Section
   =================================== */

.courses {
    background: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.course-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: block;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.course-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--accent), var(--soft));
}

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

.course-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--soft);
    color: var(--white);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.course-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.course-description {
    color: var(--gray);
    margin-bottom: var(--spacing-md);
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border);
    color: var(--gray);
    font-size: 0.875rem;
}

.course-duration,
.course-level {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.section-note {
    text-align: center;
    color: var(--gray);
    font-size: 0.95rem;
    font-weight: 600;
    font-style: normal;
    margin-top: var(--spacing-md);
}

/* ===================================
   Qualifications Section
   =================================== */

.qualifications {
    background: var(--white);
    padding: var(--spacing-lg) 0;
}

.qualifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.qualification-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

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

.qualification-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.qualification-content h4 {
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.qualification-content p {
    color: var(--gray);
    margin: 0;
    font-size: 0.875rem;
}

/* ===================================
   Certifications Section
   =================================== */

.certifications {
    background: var(--light-gray);
    text-align: center;
    padding-bottom: 50px;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.certification-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-md) var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    overflow: hidden;
}

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

.certification-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    margin-top: 0;
    flex-shrink: 0;
    font-size: 1.5rem;
}

.certification-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-bottom: 0;
}

.certification-name {
    color: var(--primary);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.certification-issuer {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xs);
}

.certification-year {
    color: var(--gray);
    font-size: 0.9rem;
}

.certification-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-top: var(--spacing-md);
    box-shadow: var(--shadow-md);
    display: none;
}

.certification-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
}

/* ===================================
   Certificates Gallery Slider
   =================================== */

.certificates-gallery {
    background: var(--white);
    padding: 0;
}

.certificates-slider-wrapper {
    position: relative;
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.certificates-slider {
    display: flex;
    width: 100%;
    transition: transform 0.5s ease-in-out;
}

.certificate-slide {
    width: 100%;
    min-width: 100%;
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-xs);
    background: var(--light-gray);
    height: auto;
    max-height: none;
}

.certificate-slide img {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: none;
    object-fit: contain;
    border-radius: var(--radius-md);
}

@media (max-width: 768px) {
    .certificates-slider-wrapper {
        max-width: 100%;
        padding: 0;
    }

    .certificate-slide {
        width: 100%;
        min-width: 100%;
        min-height: 0;
        padding: 0;
    }

    .certificate-slide img {
        width: 100%;
        max-width: 100%;
        height: auto;
        max-height: none;
        object-fit: contain;
    }
}

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: 0;
}


.slider-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    background: var(--white);
    color: var(--accent);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

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

/* ===================================
   Tools Section
   =================================== */

.tools {
    background: var(--white);
    padding: var(--spacing-lg) 0;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
}

.tool-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background: var(--light-gray);
    border-radius: var(--radius-md);
    transition: var(--transition);
    min-height: 60px;
    border: 2px solid transparent;
}

.tool-item:hover {
    border-color: var(--accent);
    background: var(--white);
    box-shadow: var(--shadow-sm);
}

.tool-name {
    color: var(--primary);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
}

/* ===================================
   Portfolio Section
   =================================== */

/* ===================================
   Portfolio Section (Commented Out)
   =================================== */
/* 
.portfolio {
    background: var(--light-gray);
}

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

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--dark);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.portfolio-image {
    width: 100%;
    height: 280px;
    object-fit: cover;
    object-position: center center;
    background: var(--soft);
    display: block;
}

.portfolio-overlay {
    background: var(--white);
    padding: var(--spacing-md);
    color: var(--dark);
}

.portfolio-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--accent);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
    color: var(--white);
}

.portfolio-title {
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.portfolio-description {
    color: var(--gray);
    font-size: 0.875rem;
}
*/

/* ===================================
   Featured Major Projects Slider
   =================================== */

.featured-projects-section {
    background: var(--white);
    padding: 0;
    overflow: visible;
}

.featured-projects-section .section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding: 0 var(--spacing-md);
}

.featured-projects-slider {
    position: relative;
    width: 100%;
    margin: 0 auto;
}

.slider-container {
    position: relative;
    width: 100%;
    min-height: 500px;
}

.slider-container > .slider-item {
    display: none;
    width: 100%;
}

.slider-container > .slider-item.active {
    display: grid;
    grid-template-columns: 40% 60%;
    grid-template-rows: 1fr;
    gap: 0;
    align-items: stretch;
    justify-items: stretch;
    min-height: 500px;
    width: 100%;
    animation: fadeIn 0.5s ease-in-out;
}

@media (max-width: 768px) {
    .slider-container > .slider-item.active {
        grid-template-columns: 1fr;
    }
}

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

.slider-content {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    width: 100%;
    overflow-y: auto;
}

.slider-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--accent);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

.slider-project-title {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: var(--white);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.slider-description {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.9);
}

.slider-meta {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
}

.slider-meta-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.slider-meta-label {
    color: var(--soft);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.slider-meta-value {
    color: var(--white);
    font-weight: 600;
}

.slider-image {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-50%) scale(1.1);
}

.slider-prev {
    left: var(--spacing-md);
}

.slider-next {
    right: var(--spacing-md);
}

/* Hide all slider arrows from the entire project */
.slider-btn {
    display: none !important;
}

/* ===================================
   Testimonials Section
   =================================== */

.testimonials {
    background: var(--light-gray);
    position: relative;
    padding: var(--spacing-xl) 0 var(--spacing-lg) 0;
    overflow: hidden;
}

.testimonials-slider-row {
    position: relative;
    margin-top: var(--spacing-lg);
    padding: 0 3.5rem;
}

.testimonials-swiper {
    overflow: hidden;
}

.testimonials-carousel {
    align-items: stretch;
}

.testimonials-swiper .swiper-slide {
    height: auto;
    display: flex;
}

.testimonial-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 18px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    min-height: 340px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    height: 100%;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.testimonial-quote-icon {
    font-size: 2.4rem;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.75rem;
}

.testimonial-text {
    font-size: 1rem;
    font-style: italic;
    color: var(--dark);
    line-height: 1.75;
    margin-bottom: 1rem;
}

.testimonial-rating {
    color: var(--accent);
    letter-spacing: 0.18rem;
    font-size: 0.95rem;
    margin-bottom: 1.15rem;
}

.testimonial-client {
    margin-top: auto;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.testimonial-avatar {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    color: var(--white);
    font-weight: 700;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-author {
    color: var(--primary);
    font-weight: 700;
    font-size: 1rem;
    margin: 0;
}

.testimonial-role {
    color: var(--gray);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.35;
}

.testimonials-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    z-index: 2;
}

.testimonials-nav-btn:hover {
    background: var(--secondary);
    color: var(--white);
    transform: translateY(-50%) scale(1.05);
}

.testimonials-nav-prev {
    left: 0;
}

.testimonials-nav-next {
    right: 0;
}

.testimonials-pagination {
    position: static;
    left: auto;
    bottom: auto;
    margin-top: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
}

.testimonials-pagination .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: var(--soft);
    cursor: pointer;
    transition: var(--transition);
    opacity: 1;
}

.testimonials-pagination .swiper-pagination-bullet-active {
    width: 24px;
    background: var(--accent);
}

@media (max-width: 1023px) {
    .testimonials-slider-row {
        padding: 0 2.8rem;
    }
}

@media (max-width: 767px) {
    .testimonials-slider-row {
        padding: 0 0 4rem 0;
    }

    .testimonials-nav-btn {
        top: auto;
        bottom: 0;
        transform: none;
    }

    .testimonials-nav-btn:hover {
        transform: translateY(-2px);
    }

    .testimonials-nav-prev {
        left: calc(50% - 56px);
    }

    .testimonials-nav-next {
        right: calc(50% - 56px);
    }

    .testimonial-card {
        min-height: 320px;
    }
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.certificates-gallery .slider-controls {
    margin-top: 0;
}

.slider-btn {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 0.6rem;
    padding: 0;
}

.slider-btn:hover {
    background: var(--secondary);
    transform: scale(1.5);
}

/* ===================================
   CTA Section
   =================================== */

.cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    text-align: center;
}

.cta-title {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

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

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

/* ===================================
   Contact Section
   =================================== */

.contact {
    background: var(--light-gray);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 40% 60%;
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--accent);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(14, 134, 212, 0.1);
    border-radius: var(--radius-md);
}

.contact-item h4 {
    color: var(--primary);
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--gray);
    margin: 0;
}

.contact-item a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

.contact-item a:hover {
    color: var(--secondary);
    transform: translateX(3px);
}

.contact-form {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

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

.phone-input-group {
    display: grid;
    grid-template-columns: minmax(200px, 44%) 1fr;
    gap: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.phone-input-group select,
.phone-input-group input {
    margin: 0;
}

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

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    text-align: center;
    display: none;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    display: block;
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--primary);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3,
.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
}

.footer-location {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--soft);
}

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

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

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

.footer-logo {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo-img {
    width: 100%;
    height: auto;
    opacity: 0.9;
    transition: var(--transition);
}

.footer-logo-img:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.designer-link {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

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

.designer-name {
    color: var(--secondary);
    font-weight: 700;
    transition: var(--transition);
}

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

/* ===================================
   WhatsApp Float Button
   =================================== */

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    background: #1EBE57;
    transform: scale(1.1);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
}

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

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 1200px) and (min-width: 769px) {
    .navbar,
    .navbar.scrolled {
        position: fixed !important;
        top: 0 !important;
        left: 0;
        right: 0;
        margin-top: 0 !important;
        transform: translateY(0) !important;
        -webkit-transform: translateY(0) translateZ(0);
        backface-visibility: hidden;
    }

    .nav-container {
        padding: 0.75rem var(--spacing-sm);
    }

    .logo {
        flex-shrink: 0;
    }

    .logo img {
        height: 44px;
        max-width: 170px;
    }

    .nav-menu {
        flex: 1;
        width: 100%;
        gap: 0.75rem;
    }

    .nav-menu li:first-child {
        margin-left: auto;
    }

    .nav-menu li:nth-child(6) {
        margin-right: auto;
    }

    .nav-link {
        font-size: 0.95rem;
    }

    .btn-whatsapp-header {
        padding: 0.45rem 0.65rem;
        font-size: 0.9rem;
    }

    .training-showcase-grid {
        grid-template-columns: 1fr 2fr;
        min-height: 460px;
    }

    .training-showcase-right {
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--white);
    }

    .training-showcase-image {
        width: 100%;
        height: 100%;
        object-fit: contain;
        object-position: center;
    }
}

@media (max-width: 992px) {
    .navbar,
    .navbar.scrolled {
        position: fixed !important;
        top: 0 !important;
        left: 0;
        right: 0;
    }

    .hero-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .hero-image {
        max-width: 420px;
        margin: 0 auto;
    }
    
    .hero-content {
        text-align: center;
    }

    .typewriter-container {
        margin-top: var(--spacing-sm);
        height: 48px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline {
        flex-direction: column;
    }
    
    .timeline-item {
        width: 100%;
        margin-bottom: -30px;
    }

    .clients-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-sm);
    }

    .client-logo {
        min-height: 130px;
        padding: var(--spacing-sm);
    }

    .client-logo img {
        width: auto;
        height: auto;
        max-width: 100%;
        max-height: 110px;
        object-fit: contain;
    }

    .training-showcase-grid {
        grid-template-columns: 1fr;
    }

    .training-showcase-image {
        height: 320px;
    }
    
    .slider-container {
        min-height: auto;
        height: auto;
        overflow: visible;
    }
    
    .slider-content {
        padding: var(--spacing-xl);
        height: auto;
        min-height: auto;
        order: 1;
    }
    
    .slider-image {
        height: 320px;
        width: 100%;
        overflow: hidden;
        order: 2;
        background: var(--white);
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .slider-image img {
        height: 100%;
        width: 100%;
        object-fit: contain;
    }
    
    .featured-projects-section {
        overflow: visible;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .hero-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .training-showcase-grid {
        grid-template-columns: 1fr;
        min-height: auto;
        display: flex;
        flex-direction: column;
    }
    
    .training-showcase-left {
        min-height: auto;
        padding: var(--spacing-md) !important;
        padding-right: var(--spacing-md) !important;
    }

    .training-title {
        font-size: clamp(1.9rem, 6vw, 2.2rem);
    }

    .training-subtitle-text {
        font-size: 1.25rem;
        line-height: 1.5;
    }

    .training-description {
        font-size: 1rem;
        line-height: 1.8;
    }
    
    .training-showcase-right {
        width: 100%;
        margin-right: 0;
        height: auto;
        min-height: 0;
        overflow: hidden;
        background: var(--white);
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .training-showcase-image {
        width: 100%;
        height: auto;
        max-height: 420px;
        object-fit: contain;
        object-position: center;
    }
    
    .training-showcase {
        overflow: visible;
    }
    
    .hero-image {
        max-width: 336px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .hero-buttons {
        flex-direction: column;
    }

    .clients-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: var(--spacing-sm);
    }

    .client-logo {
        padding: var(--spacing-sm);
        min-height: 100px;
    }

    .client-logo img {
        max-height: 90px;
    }
    
    .slider-container {
        min-height: auto;
        height: auto;
        overflow: visible;
    }
    
    .slider-content {
        padding: var(--spacing-lg);
        height: auto;
        min-height: auto;
        order: 1;
    }
    
    .slider-image {
        height: auto;
        min-height: 0;
        width: 100%;
        overflow: hidden;
        order: 2;
        background: var(--white);
        display: flex;
        align-items: flex-start;
        justify-content: center;
    }
    
    .slider-image img {
        width: 100%;
        height: auto;
        object-fit: contain;
        display: block;
    }
    
    .featured-projects-section {
        overflow: visible;
    }
    
    .slider-btn {
        top: auto;
        bottom: 520px;
        transform: translateY(0);
    }
    
    .slider-btn:hover {
        transform: scale(1.1);
    }

    .slider-prev {
        left: 20px;
    }

    .slider-next {
        right: 20px;
    }
    
    .portfolio-grid,
    .services-grid,
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        grid-template-columns: 1fr;
    }
    
    .qualifications-grid,
    .certifications-grid {
        grid-template-columns: 1fr;
    }

    .training-course-thumbs {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .tools-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .phone-input-group {
        grid-template-columns: 1fr;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 1200px) and (min-width: 600px) {
    .slider-container > .slider-item.active {
        display: grid;
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .slider-container {
        min-height: auto;
        height: auto;
        overflow: visible;
    }

    .slider-content {
        order: 1;
        height: auto;
        min-height: auto;
        padding: var(--spacing-lg);
    }

    .slider-image {
        order: 2;
        width: 100%;
        height: auto;
        min-height: 0;
        overflow: hidden;
        background: var(--white);
        display: flex;
        align-items: flex-start;
        justify-content: center;
    }

    .slider-image img {
        width: 100%;
        height: auto;
        object-fit: contain;
        display: block;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-image {
        max-width: 300px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .clients-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: var(--spacing-xs);
    }

    .client-logo {
        padding: var(--spacing-xs);
        min-height: 80px;
    }

    .client-logo img {
        max-height: 70px;
    }
    
    .timeline {
        grid-template-columns: 1fr;
    }
    
    .timeline-content {
        padding: var(--spacing-sm);
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===================================
   Utility Classes
   =================================== */

.hidden {
    display: none !important;
}

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

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

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }