/* ========================
   CSS Variables & Reset
   ======================== */

:root {
    /* Logo-Matched Green & White Color Palette */
    --primary-green: #4CAF50;
    --primary-green-dark: #388E3C;
    --primary-green-darker: #2E7D32;
    --accent-green: #66BB6A;
    --accent-green-light: #81C784;
    --light-green: #A5D6A7;
    --light-green-soft: #C8E6C9;
    --pale-green: #E8F5E9;

    /* Clean White & Light Backgrounds */
    --background: #FFFFFF;
    --background-alt: #F8FBF8;
    --background-lighter: #FAFAFA;
    --surface: #FFFFFF;
    --surface-alt: #F5F9F5;
    --surface-light: #FAFAFA;

    /* Text Colors - Optimized for White Backgrounds */
    --text-primary: #1A1A1A;
    --text-secondary: #4A4A4A;
    --text-tertiary: #6B6B6B;
    --text-inverse: #FFFFFF;

    /* Gradients - Green Theme */
    --gradient-primary: linear-gradient(135deg, #4CAF50 0%, #66BB6A 50%, #81C784 100%);
    --gradient-primary-reverse: linear-gradient(-135deg, #4CAF50 0%, #66BB6A 50%, #81C784 100%);
    --gradient-dark: linear-gradient(135deg, #2E7D32 0%, #388E3C 100%);
    --gradient-glass: linear-gradient(135deg, rgba(76, 175, 80, 0.08) 0%, rgba(102, 187, 106, 0.08) 100%);
    --gradient-orb-green: radial-gradient(circle, rgba(76, 175, 80, 0.15) 0%, transparent 70%);
    --gradient-orb-accent: radial-gradient(circle, rgba(102, 187, 106, 0.12) 0%, transparent 70%);
    --gradient-orb-light: radial-gradient(circle, rgba(165, 214, 167, 0.1) 0%, transparent 70%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;

    /* Shadows - Clean & Modern for Light Theme */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 40px rgba(76, 175, 80, 0.15);
    --shadow-green: 0 4px 20px rgba(76, 175, 80, 0.2);

    /* Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: clamp(14px, 2vw, 16px);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

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

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

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(76, 175, 80, 0.1);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
    border-bottom-color: rgba(76, 175, 80, 0.2);
}

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

.logo-img {
    height: 100px;
    width: auto;
    max-width: 100%;
    transition: transform var(--transition-base);
}

.logo-img:hover {
    transform: scale(1.02);
}

/* Responsive logo sizing */
@media (max-width: 768px) {
    .logo-img {
        height: 80px;
    }
}

@media (max-width: 480px) {
    .logo-img {
        height: 70px;
    }
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    position: relative;
    padding: 0.5rem 0;
    display: inline-block;
}

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

.nav-link:hover {
    color: var(--primary-green);
}

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

.nav-link.cta-button {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.nav-link.cta-button::after {
    display: none;
}

.nav-link.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    color: var(--text-inverse);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2.5px;
    background: var(--text-secondary);
    transition: all var(--transition-base);
    border-radius: 2px;
}

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

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: calc(80px + var(--spacing-lg)) var(--spacing-md) var(--spacing-lg);
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(180deg, #FFFFFF 0%, #F8FBF8 50%, #FFFFFF 100%);
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--gradient-orb-green);
    top: -20%;
    right: -15%;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--gradient-orb-accent);
    bottom: -10%;
    left: -10%;
    animation-delay: 7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--gradient-orb-light);
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero-container {
    width: 100%;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 0.8s ease-out;
}

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

.hero-title {
    font-size: clamp(2rem, 8vw, 4.5rem);
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    line-height: 1.7;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    text-align: center;
    min-height: 44px;
    min-width: 44px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(76, 175, 80, 0.1);
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background: rgba(76, 175, 80, 0.2);
    color: var(--accent-green);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-full {
    width: 100%;
}

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

.stat-item {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    background: rgba(76, 175, 80, 0.08);
    border-radius: var(--radius-md);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(76, 175, 80, 0.2);
    transition: all var(--transition-base);
}

.stat-item:hover {
    background: rgba(76, 175, 80, 0.12);
    border-color: rgba(76, 175, 80, 0.4);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 0.5rem;
}

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

.services {
    padding: var(--spacing-xl) 0;
    background: var(--background);
    position: relative;
}

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

.service-card {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.06) 0%, rgba(102, 187, 106, 0.04) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-base);
    border: 1px solid rgba(76, 175, 80, 0.15);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(8px);
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 0;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: var(--accent-green);
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.1) 0%, rgba(102, 187, 106, 0.08) 100%);
}

.service-card:hover::before {
    opacity: 0.03;
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-card.featured {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    border-color: var(--accent-green);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.service-card.featured .service-title,
.service-card.featured .service-description,
.service-card.featured .service-features {
    color: var(--text-inverse);
}

.service-badge {
    display: inline-block;
    background: var(--accent-green);
    color: var(--text-inverse);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    color: var(--text-inverse);
    margin-bottom: var(--spacing-sm);
}

.service-card.featured .service-icon {
    background: rgba(241, 245, 249, 0.15);
    color: var(--accent-green);
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.service-card.featured .service-features li {
    color: rgba(255, 255, 255, 0.8);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: 700;
}

/* ========================
   Process Section
   ======================== */

.process {
    padding: var(--spacing-xl) 0;
    background: var(--background);
}

.process-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.process-step {
    display: grid;
    grid-template-columns: 80px 1fr 100px;
    gap: var(--spacing-lg);
    align-items: start;
    position: relative;
}

.process-step::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 80px;
    width: 2px;
    height: calc(100% + var(--spacing-lg));
    background: linear-gradient(180deg, var(--accent-green) 0%, transparent 100%);
}

.process-step:last-child::before {
    display: none;
}

.process-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.process-content {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.06) 0%, rgba(102, 187, 106, 0.04) 100%);
    border: 1px solid rgba(76, 175, 80, 0.15);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    backdrop-filter: blur(8px);
}

.process-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.process-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.process-deliverables {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xs);
}

.process-deliverables li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding-left: 1.5rem;
    position: relative;
}

.process-deliverables li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: 700;
}

.process-icon {
    color: var(--accent-green);
}

/* ========================
   Tech Stack Section
   ======================== */

.tech-stack {
    padding: var(--spacing-xl) 0;
    background: var(--background);
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.tech-category {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.06) 0%, rgba(102, 187, 106, 0.04) 100%);
    border: 1px solid rgba(76, 175, 80, 0.15);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    backdrop-filter: blur(8px);
    transition: all var(--transition-base);
}

.tech-category:hover {
    border-color: var(--accent-green);
    box-shadow: var(--shadow-md);
}

.tech-category-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.tech-item {
    background: rgba(76, 175, 80, 0.08);
    border: 1px solid rgba(76, 175, 80, 0.2);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    text-align: center;
    transition: all var(--transition-base);
}

.tech-item:hover {
    background: rgba(76, 175, 80, 0.12);
    border-color: var(--accent-green);
    transform: translateY(-2px);
}

.tech-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ========================
   Case Studies Section
   ======================== */

.case-studies {
    padding: var(--spacing-xl) 0;
    background: var(--background);
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-md);
    grid-auto-rows: auto;
}

.case-study-card {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.08) 0%, rgba(102, 187, 106, 0.05) 100%);
    border: 1px solid rgba(76, 175, 80, 0.15);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.case-study-card.large {
    grid-column: span 2;
}

.case-study-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: var(--accent-green);
}

.case-study-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.1) 0%, rgba(102, 187, 106, 0.08) 100%);
    position: relative;
    overflow: hidden;
}

.case-study-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
}

.case-study-content {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.case-study-tags {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.case-study-tag {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    background: rgba(76, 175, 80, 0.12);
    color: var(--accent-green);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-study-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.case-study-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    font-size: 0.95rem;
}

.case-study-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(76, 175, 80, 0.08);
    border-radius: var(--radius-md);
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.case-study-tech {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-top: auto;
}

.case-study-tech span {
    padding: 0.4rem 0.8rem;
    background: rgba(76, 175, 80, 0.08);
    color: var(--accent-green);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

/* ========================
   About Section
   ======================== */

.about {
    padding: var(--spacing-xl) 0;
    background: var(--background);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.about-text {
    text-align: left;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.about-lead {
    font-size: 1.2rem;
    color: var(--accent-green);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.about-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    font-size: 1rem;
}

.about-values {
    margin-top: var(--spacing-lg);
}

.values-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

.value-item {
    display: flex;
    gap: var(--spacing-sm);
}

.value-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    color: var(--text-inverse);
    flex-shrink: 0;
}

.value-content h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.value-content p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
}

.about-stats-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.stat-visual-card {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.08) 0%, rgba(102, 187, 106, 0.05) 100%);
    border: 1px solid rgba(76, 175, 80, 0.15);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
    backdrop-filter: blur(8px);
}

.stat-visual-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-green);
}

.stat-visual-number {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-visual-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

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

.contact {
    padding: var(--spacing-xl) 0;
    background: var(--background);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
}

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

.contact-card {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.06) 0%, rgba(102, 187, 106, 0.04) 100%);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(76, 175, 80, 0.15);
    transition: all var(--transition-base);
    backdrop-filter: blur(8px);
}

.contact-card:hover {
    border-color: var(--accent-green);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.1) 0%, rgba(102, 187, 106, 0.08) 100%);
}

.contact-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    color: var(--text-inverse);
    margin-bottom: var(--spacing-sm);
}

.contact-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.contact-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.contact-card a:hover {
    color: var(--primary-green);
}

.contact-form {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.06) 0%, rgba(102, 187, 106, 0.04) 100%);
    border: 1px solid rgba(76, 175, 80, 0.15);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(8px);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(76, 175, 80, 0.2);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: rgba(248, 251, 248, 0.8);
    color: var(--text-primary);
    min-height: 44px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-green);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

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

.footer {
    background: linear-gradient(135deg, #2E7D32 0%, #388E3C 100%);
    color: var(--text-inverse);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid rgba(76, 175, 80, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    height: 80px;
    width: auto;
    max-width: 100%;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    font-size: 0.95rem;
}

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

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    color: var(--text-inverse);
    min-width: 44px;
    min-height: 44px;
}

.social-link:hover {
    background: var(--text-inverse);
    border-color: var(--text-inverse);
    color: var(--primary-green);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

.footer-links a {
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--light-green);
    padding-left: 4px;
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-legal {
    margin-top: var(--spacing-md);
}

.footer-legal a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--light-green);
}

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

@media (max-width: 1024px) {
    .process-step {
        grid-template-columns: 60px 1fr;
    }

    .process-step .process-icon {
        display: none;
    }

    .case-study-card.large {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        transition: all var(--transition-base);
        pointer-events: none;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-link {
        padding: 1rem;
        min-height: 48px;
        display: flex;
        align-items: center;
    }

    .hero {
        min-height: auto;
        padding: calc(70px + var(--spacing-md)) var(--spacing-md) var(--spacing-lg);
    }

    .hero-title {
        font-size: clamp(1.75rem, 6vw, 3rem);
    }

    .hero-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .btn {
        width: 100%;
    }

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

    .process-step {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

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

    .process-number {
        font-size: 2rem;
    }

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

    .tech-categories {
        grid-template-columns: 1fr;
    }

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

    .case-studies-grid {
        grid-template-columns: 1fr;
    }

    .case-study-card.large {
        grid-column: span 1;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

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

    .about-stats-visual {
        grid-template-columns: 1fr 1fr;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 2.5rem;
        --spacing-xl: 3.5rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .section-title {
        font-size: clamp(1.5rem, 5vw, 2rem);
    }

    .hero-title {
        font-size: clamp(1.5rem, 5vw, 2.5rem);
    }

    .stat-item {
        padding: var(--spacing-sm);
    }

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

    .about-stats-visual {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .case-study-metrics {
        grid-template-columns: 1fr;
    }
}

/* ========================
   Animations & Effects
   ======================== */

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

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

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

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

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(76, 175, 80, 0.4);
    }
    50% {
        box-shadow: 0 0 40px rgba(102, 187, 106, 0.3);
    }
}

/* Smooth scroll snap for sections */
@media (min-width: 769px) {
    section {
        scroll-margin-top: 80px;
    }
}

/* Loading animation for images */
.case-study-image {
    background: linear-gradient(90deg, rgba(76, 175, 80, 0.1) 0%, rgba(102, 187, 106, 0.08) 50%, rgba(76, 175, 80, 0.1) 100%);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Stagger animations for multiple elements */
.service-card {
    animation: fadeInUp 0.6s ease-out;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.1s; }
.service-card:nth-child(5) { animation-delay: 0.2s; }
.service-card:nth-child(6) { animation-delay: 0.3s; }

/* Accessibility improvements */
:focus-visible {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
}

button:focus,
a:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar,
    .mobile-menu-toggle,
    .hero-buttons,
    .contact-form,
    .footer {
        display: none;
    }

    body {
        background: white;
        color: black;
    }
}

/* ========================
   Critical Additions - Accessibility & Performance
   ======================== */

/* Notification System */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 10000;
    font-weight: 500;
    min-width: 250px;
    max-width: 400px;
}

.notification.show {
    transform: translateX(0);
}

.notification-success {
    background: var(--accent-green);
    color: var(--text-inverse);
}

.notification-error {
    background: #EF4444;
    color: white;
}

.notification-info {
    background: var(--primary-green);
    color: white;
}

/* Reduced Motion Support */
@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;
    }

    .gradient-orb {
        animation: none !important;
    }
}

/* Skip to Content Link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary-green);
    color: var(--text-inverse);
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 0 0 0.5rem 0;
    z-index: 10001;
    font-weight: 600;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
    outline: 3px solid var(--accent-green);
}

/* Menu Open Body Lock */
body.menu-open {
    overflow: hidden;
}

body.menu-open .nav-menu {
    z-index: 999;
}

/* Visually Hidden (for screen readers) */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Active Nav Link Styling */
.nav-link.active {
    color: var(--primary-green);
    font-weight: 700;
}

/* GPU Acceleration for Animations */
.gradient-orb,
.text-gradient,
.service-card,
.case-study-card {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Remove will-change after load for performance */
body.loaded .gradient-orb,
body.loaded .text-gradient {
    will-change: auto;
}

/* Font Rendering Optimization */
body {
    font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Touch Target Improvements - Mobile First */
@media (max-width: 768px) {
    .btn,
    .nav-link,
    .mobile-menu-toggle,
    .social-link {
        min-height: 44px;
        min-width: 44px;
    }
}

/* Form Error States */
.form-group.error input,
.form-group.error textarea {
    border-color: #EF4444 !important;
    background-color: rgba(239, 68, 68, 0.1) !important;
}

.form-group.success input,
.form-group.success textarea {
    border-color: var(--accent-green) !important;
}

/* Input focus ring improvements */
input:focus-visible,
textarea:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
}

/* Hover state optimization for non-mobile */
@media (hover: hover) and (pointer: fine) {
    .service-card:hover,
    .case-study-card:hover,
    .stat-item:hover {
        cursor: pointer;
    }
}

/* Performance optimization - lazy loading images */
img {
    will-change: auto;
}

/* Section visibility animations */
section {
    animation: fadeIn 0.5s ease-in;
}