/* ========================================
   Steeo Website - Main Stylesheet
   Color Scheme from Brand Guidelines:
   - Dark Navy: #0a1628
   - Teal/Turquoise: #00d4d4, #00c9c9
   - Purple: #8b5cf6, #a855f7
   - Orange: #f97316
   - White: #ffffff
   - Dark Gray: #1e293b
======================================== */

/* ========================================
   CSS Variables
======================================== */
:root {
    /* Brand Colors */
    --navy-dark: #0a1628;
    --navy-medium: #0f2238;
    --navy-light: #1a2f47;
    --teal-primary: #00d4d4;
    --teal-light: #33dddd;
    --teal-dark: #00a8a8;
    --purple-primary: #8b5cf6;
    --purple-light: #a855f7;
    --purple-dark: #7c3aed;
    --orange-primary: #f97316;
    --orange-light: #fb923c;
    --white: #ffffff;
    --gray-dark: #1e293b;
    --gray-medium: #475569;
    --gray-light: #94a3b8;
    --gray-lighter: #e2e8f0;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-max-width: 1200px;
    
    /* Transitions */
    --transition-smooth: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

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

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

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

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

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

ul {
    list-style: none;
}

/* ========================================
   Container
======================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   Section Styles
======================================== */
.section-white {
    padding: var(--section-padding);
    background: var(--white);
}

.section-dark {
    padding: var(--section-padding);
    background: var(--navy-dark);
    color: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 15px;
    line-height: 1.2;
}

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

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--teal-primary), var(--purple-primary));
    margin: 0 auto 20px;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--gray-medium);
    max-width: 700px;
    margin: 0 auto;
}

.section-dark .section-subtitle {
    color: var(--gray-light);
}

/* ========================================
   Navigation
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition-smooth);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--teal-primary), var(--purple-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--white);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 16px;
    border-radius: 6px;
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: var(--teal-primary);
    background: rgba(0, 212, 212, 0.1);
}

.btn-primary-nav {
    background: linear-gradient(135deg, var(--teal-primary), var(--purple-primary));
    color: var(--white) !important;
    padding: 10px 24px !important;
    border-radius: 8px;
    font-weight: 600;
}

.btn-primary-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 212, 212, 0.3);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* ========================================
   Hero Section
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--navy-dark);
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 212, 212, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        linear-gradient(180deg, var(--navy-dark) 0%, var(--navy-medium) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 40px 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 25px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--teal-primary), var(--purple-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--gray-light);
    margin-bottom: 40px;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--teal-primary), var(--purple-primary));
    color: var(--white);
    box-shadow: 0 10px 30px rgba(0, 212, 212, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 212, 0.4);
}

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

.btn-secondary:hover {
    background: var(--teal-primary);
    transform: translateY(-3px);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--teal-primary);
    border-radius: 15px;
    display: flex;
    justify-content: center;
    padding-top: 10px;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--teal-primary);
    border-radius: 2px;
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(15px); }
}

/* Animations */
.fade-in {
    animation: fadeIn 1s ease-out;
}

.fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s backwards;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s backwards;
}

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

/* ========================================
   About Section (Who We Are)
======================================== */
.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-main {
    text-align: center;
    margin-bottom: 50px;
}

.lead-text {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--navy-dark);
    margin-bottom: 20px;
    line-height: 1.6;
}

.about-main p {
    font-size: 1.1rem;
    color: var(--gray-medium);
    line-height: 1.8;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.about-card {
    background: var(--white);
    padding: 35px 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition-smooth);
    border: 1px solid var(--gray-lighter);
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 212, 212, 0.15);
    border-color: var(--teal-primary);
}

.card-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--teal-primary), var(--purple-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.8rem;
}

.about-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--navy-dark);
}

.about-card p {
    color: var(--gray-medium);
    line-height: 1.6;
}

/* ========================================
   Expertise Section
======================================== */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 35px;
}

.expertise-card {
    background: var(--navy-medium);
    padding: 40px 30px;
    border-radius: 12px;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.expertise-card:hover {
    transform: translateY(-8px);
    border-color: var(--teal-primary);
    background: var(--navy-light);
    box-shadow: 0 15px 40px rgba(0, 212, 212, 0.2);
}

.expertise-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--teal-primary), var(--purple-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 2rem;
    color: var(--white);
}

.expertise-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--white);
}

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

.expertise-card li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: var(--gray-light);
}

.expertise-card li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--teal-primary);
    font-weight: bold;
}

/* ========================================
   Technology Stack Section
======================================== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.tech-category {
    background: var(--white);
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--teal-primary);
    transition: var(--transition-smooth);
}

.tech-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 212, 212, 0.15);
}

.tech-category-title {
    font-size: 1.3rem;
    color: var(--navy-dark);
    margin-bottom: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--teal-primary), var(--purple-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-tag {
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(0, 212, 212, 0.1), rgba(139, 92, 246, 0.1));
    color: var(--navy-dark);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(0, 212, 212, 0.2);
    transition: var(--transition-smooth);
}

.tech-tag:hover {
    background: linear-gradient(135deg, var(--teal-primary), var(--purple-primary));
    color: var(--white);
    transform: translateY(-2px);
}

/* ========================================
   Case Study Section (Tamasha)
======================================== */
.case-study {
    background: linear-gradient(135deg, var(--navy-dark), var(--navy-medium));
}

.case-study-header {
    text-align: center;
    margin-bottom: 50px;
}

.case-study-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 10px;
}

.case-study-subtitle {
    font-size: 1.5rem;
    color: var(--teal-primary);
    font-weight: 600;
}

.case-study-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.case-study-section {
    background: rgba(255, 255, 255, 0.05);
    padding: 35px;
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 212, 0.2);
}

.case-study-section-title {
    font-size: 1.5rem;
    color: var(--teal-primary);
    margin-bottom: 20px;
    font-weight: 700;
}

.case-study-section p {
    color: var(--gray-light);
    line-height: 1.8;
}

.case-study-list {
    list-style: none;
}

.case-study-list li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    color: var(--gray-light);
    line-height: 1.6;
}

.case-study-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--teal-primary);
    font-weight: bold;
    font-size: 1.2rem;
}

.impact-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-top: 20px;
}

.stat-item {
    text-align: center;
    padding: 25px;
    background: rgba(0, 212, 212, 0.1);
    border-radius: 10px;
    border: 1px solid rgba(0, 212, 212, 0.3);
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--teal-primary);
    margin-bottom: 8px;
}

.stat-label {
    color: var(--gray-light);
    font-size: 0.95rem;
}

/* ========================================
   Services Section
======================================== */
.service-category {
    margin-bottom: 80px;
}

.service-category:last-child {
    margin-bottom: 0;
}

.service-category-title {
    font-size: 2.2rem;
    color: var(--navy-dark);
    margin-bottom: 15px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--teal-primary), var(--purple-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-category-desc {
    font-size: 1.1rem;
    color: var(--gray-medium);
    margin-bottom: 40px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 35px 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border-top: 4px solid var(--teal-primary);
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 212, 212, 0.15);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--teal-primary), var(--purple-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.6rem;
    color: var(--white);
}

.service-card h4 {
    font-size: 1.3rem;
    color: var(--navy-dark);
    margin-bottom: 15px;
    font-weight: 700;
}

.service-card p {
    color: var(--gray-medium);
    line-height: 1.7;
}

/* Two Column Service Layout */
.services-grid-two-col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
}

.service-card-large {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 2px solid var(--gray-lighter);
    transition: var(--transition-smooth);
}

.service-card-large:hover {
    border-color: var(--teal-primary);
    box-shadow: 0 15px 40px rgba(0, 212, 212, 0.15);
}

.service-card-large-title {
    font-size: 1.8rem;
    color: var(--navy-dark);
    margin-bottom: 25px;
    font-weight: 800;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--teal-primary);
}

.service-items {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.service-item h5 {
    font-size: 1.2rem;
    color: var(--navy-dark);
    margin-bottom: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.service-item h5 i {
    color: var(--teal-primary);
    font-size: 1.3rem;
}

.service-item p {
    color: var(--gray-medium);
    line-height: 1.7;
    padding-left: 32px;
}

/* ========================================
   Industries Section
======================================== */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 35px;
}

.industry-card {
    background: var(--navy-medium);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.industry-card:hover {
    transform: translateY(-8px);
    border-color: var(--purple-primary);
    background: var(--navy-light);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.2);
}

.industry-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--purple-primary), var(--teal-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.industry-card h3 {
    font-size: 1.4rem;
    color: var(--white);
    margin-bottom: 15px;
    font-weight: 700;
}

.industry-card p {
    color: var(--gray-light);
    line-height: 1.7;
}

/* ========================================
   What Sets Us Apart (Differentiators)
======================================== */
.differentiators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
}

.differentiator-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition-smooth);
    border-top: 4px solid transparent;
}

.differentiator-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.differentiator-card:nth-child(6n+1) {
    border-top-color: var(--orange-primary);
}

.differentiator-card:nth-child(6n+2) {
    border-top-color: var(--teal-primary);
}

.differentiator-card:nth-child(6n+3) {
    border-top-color: var(--purple-primary);
}

.differentiator-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.8rem;
    color: var(--white);
}

.differentiator-icon.orange {
    background: linear-gradient(135deg, var(--orange-primary), var(--orange-light));
}

.differentiator-icon.teal {
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-light));
}

.differentiator-icon.purple {
    background: linear-gradient(135deg, var(--purple-primary), var(--purple-light));
}

.differentiator-card h3 {
    font-size: 1.4rem;
    color: var(--navy-dark);
    margin-bottom: 15px;
    font-weight: 700;
}

.differentiator-card p {
    color: var(--gray-medium);
    line-height: 1.7;
}

/* ========================================
   Why Partner Section
======================================== */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.partner-card {
    background: var(--navy-medium);
    padding: 35px 28px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.partner-card:hover {
    transform: translateY(-8px);
    border-color: var(--teal-primary);
    background: var(--navy-light);
    box-shadow: 0 15px 40px rgba(0, 212, 212, 0.2);
}

.partner-icon {
    width: 65px;
    height: 65px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--teal-primary), var(--purple-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--white);
}

.partner-card h3 {
    font-size: 1.3rem;
    color: var(--white);
    margin-bottom: 12px;
    font-weight: 700;
}

.partner-card p {
    color: var(--gray-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* ========================================
   Our Approach (Timeline)
======================================== */
.approach-timeline {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.approach-step {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--teal-primary), var(--purple-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
    box-shadow: 0 10px 30px rgba(0, 212, 212, 0.3);
}

.step-content {
    flex: 1;
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--teal-primary);
}

.step-content h3 {
    font-size: 1.8rem;
    color: var(--navy-dark);
    margin-bottom: 8px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--teal-primary), var(--purple-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.step-content h4 {
    font-size: 1.2rem;
    color: var(--gray-dark);
    margin-bottom: 15px;
    font-weight: 600;
}

.step-content ul {
    list-style: none;
}

.step-content li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--gray-medium);
}

.step-content li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--teal-primary);
    font-weight: bold;
}

.approach-footer {
    text-align: center;
    font-size: 1.3rem;
    color: var(--navy-dark);
    font-weight: 600;
    margin-top: 30px;
}

/* ========================================
   Contact Section
======================================== */
.contact-section {
    background: linear-gradient(135deg, var(--navy-dark), var(--navy-medium));
}

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

.contact-text {
    margin-bottom: 50px;
}

.contact-text h3 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 15px;
    font-weight: 700;
}

.contact-text p {
    font-size: 1.1rem;
    color: var(--gray-light);
    line-height: 1.7;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 500px;
    margin: 0 auto;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 25px;
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 12px;
    border: 2px solid rgba(0, 212, 212, 0.2);
    transition: var(--transition-smooth);
}

.contact-item:hover {
    border-color: var(--teal-primary);
    background: rgba(0, 212, 212, 0.1);
    transform: translateY(-5px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--teal-primary), var(--purple-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    flex-shrink: 0;
}

.contact-details {
    text-align: left;
}

.contact-details h4 {
    font-size: 1.1rem;
    color: var(--gray-light);
    margin-bottom: 8px;
    font-weight: 600;
}

.contact-details a {
    font-size: 1.3rem;
    color: var(--white);
    font-weight: 600;
    transition: var(--transition-smooth);
}

.contact-details a:hover {
    color: var(--teal-primary);
}

/* ========================================
   Footer
======================================== */
.footer {
    background: var(--navy-dark);
    color: var(--white);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--gray-light);
    margin-top: 15px;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--teal-primary);
    font-weight: 700;
}

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

.footer-column ul li a {
    color: var(--gray-light);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.footer-column ul li a:hover {
    color: var(--teal-primary);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray-light);
}

/* ========================================
   Scroll to Top Button
======================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--teal-primary), var(--purple-primary));
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(0, 212, 212, 0.4);
    transition: var(--transition-smooth);
    z-index: 999;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 212, 0.5);
}

.scroll-top.visible {
    display: flex;
}

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

/* Tablets */
@media (max-width: 992px) {
    .section-title {
        font-size: 2.3rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--navy-dark);
        flex-direction: column;
        padding: 40px 20px;
        transition: var(--transition-smooth);
        gap: 20px;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid-two-col {
        grid-template-columns: 1fr;
    }
    
    .approach-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    .about-grid,
    .expertise-grid,
    .tech-grid,
    .industries-grid,
    .differentiators-grid,
    .partner-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .case-study-grid,
    .services-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .case-study-title {
        font-size: 2.5rem;
    }
    
    .impact-stats {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-details {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.7rem;
    }
    
    .case-study-title {
        font-size: 2rem;
    }
    
    .service-category-title {
        font-size: 1.7rem;
    }
}