/* ========================================
   Parkinson Consulting LLC - Main Stylesheet
   Professional IT Consulting Website
   ======================================== */

/* ----------------------------------------
   CSS Variables - Color Scheme
   ---------------------------------------- */
:root {
    /* Primary Colors - Tech-focused blue palette */
    --primary-900: #0a1628;
    --primary-800: #0f2744;
    --primary-700: #143a5f;
    --primary-600: #1a4d7c;
    --primary-500: #1e5f99;
    --primary-400: #2a7ab8;
    --primary-300: #4a9ad4;
    --primary-200: #7bb8e5;
    --primary-100: #b3d7f2;
    --primary-50: #e6f2fa;

    /* Accent Colors - Cyan/Teal for tech feel */
    --accent-500: #00b4d8;
    --accent-400: #00c9ed;
    --accent-300: #48d1f0;
    --accent-200: #90e0ef;
    --accent-100: #caf0f8;

    /* Neutral Colors */
    --neutral-900: #111827;
    --neutral-800: #1f2937;
    --neutral-700: #374151;
    --neutral-600: #4b5563;
    --neutral-500: #6b7280;
    --neutral-400: #9ca3af;
    --neutral-300: #d1d5db;
    --neutral-200: #e5e7eb;
    --neutral-100: #f3f4f6;
    --neutral-50: #f9fafb;
    --white: #ffffff;

    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

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

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--neutral-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--primary-500);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-600);
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--neutral-900);
    line-height: 1.3;
    font-weight: 600;
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-4);
}

/* ----------------------------------------
   Layout
   ---------------------------------------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

/* ----------------------------------------
   Header & Navigation
   ---------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--neutral-200);
    transition: background var(--transition-base);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-weight: 600;
    color: var(--neutral-900);
    text-decoration: none;
}

.logo:hover {
    color: var(--neutral-900);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
    color: var(--white);
    font-weight: 700;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
}

.logo-text {
    font-size: var(--font-size-lg);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav-link {
    color: var(--neutral-600);
    font-weight: 500;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-2) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-500);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-500);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--neutral-700);
    transition: all var(--transition-base);
}

/* ----------------------------------------
   Buttons
   ---------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-6);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: var(--white);
    border-color: var(--primary-500);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    border-color: var(--primary-600);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-500);
    border-color: var(--primary-500);
}

.btn-secondary:hover {
    background: var(--primary-50);
    color: var(--primary-600);
}

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

.btn-outline:hover {
    background: var(--white);
    color: var(--primary-600);
}

.btn-large {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

/* ----------------------------------------
   Hero Section
   ---------------------------------------- */
.hero {
    padding: calc(72px + var(--spacing-24)) 0 var(--spacing-24);
    background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-700) 100%);
    color: var(--white);
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-6);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--primary-200);
    margin-bottom: var(--spacing-8);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-graphic {
    position: relative;
    width: 400px;
    height: 400px;
}

.graphic-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    border: 2px solid var(--accent-500);
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse 3s ease-in-out infinite;
}

.graphic-circle::before,
.graphic-circle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid var(--accent-400);
    border-radius: 50%;
    opacity: 0.2;
}

.graphic-circle::before {
    width: 200px;
    height: 200px;
    animation: pulse 3s ease-in-out infinite 0.5s;
}

.graphic-circle::after {
    width: 380px;
    height: 380px;
    animation: pulse 3s ease-in-out infinite 1s;
}

.graphic-dots {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--accent-500), var(--primary-400));
    border-radius: 50%;
    box-shadow: 0 0 60px var(--accent-500);
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.05);
        opacity: 0.5;
    }
}

/* ----------------------------------------
   Page Hero (Internal Pages)
   ---------------------------------------- */
.page-hero {
    padding: calc(72px + var(--spacing-16)) 0 var(--spacing-16);
    background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-700) 100%);
    color: var(--white);
    text-align: center;
}

.page-hero h1 {
    color: var(--white);
    margin-bottom: var(--spacing-4);
}

.page-hero p {
    font-size: var(--font-size-xl);
    color: var(--primary-200);
    margin-bottom: 0;
}

/* ----------------------------------------
   Section Styles
   ---------------------------------------- */
section {
    padding: var(--spacing-20) 0;
}

.alt-bg {
    background-color: var(--neutral-50);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-3xl);
}

.section-subtitle {
    text-align: center;
    color: var(--neutral-500);
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto var(--spacing-12);
}

/* ----------------------------------------
   Expertise Section (Home)
   ---------------------------------------- */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.expertise-card {
    background: var(--white);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--neutral-200);
}

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

.expertise-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-5);
}

.expertise-icon svg {
    width: 32px;
    height: 32px;
}

.azure-icon {
    background: linear-gradient(135deg, #0078d4, #00bcf2);
    color: var(--white);
}

.sql-icon {
    background: linear-gradient(135deg, #cc2927, #f35b28);
    color: var(--white);
}

.devops-icon {
    background: linear-gradient(135deg, #0078d7, #00b7c3);
    color: var(--white);
}

.performance-icon {
    background: linear-gradient(135deg, #6b21a8, #9333ea);
    color: var(--white);
}

.dev-icon {
    background: linear-gradient(135deg, #059669, #10b981);
    color: var(--white);
}

.dotnet-icon {
    background: linear-gradient(135deg, #512bd4, #7c3aed);
    color: var(--white);
}

.java-icon {
    background: linear-gradient(135deg, #f89820, #ea580c);
    color: var(--white);
}

.python-icon {
    background: linear-gradient(135deg, #3776ab, #ffd43b);
    color: var(--white);
}

.sap-icon {
    background: linear-gradient(135deg, #0070f2, #00bcd4);
    color: var(--white);
}

.mobile-icon {
    background: linear-gradient(135deg, #34a853, #4285f4);
    color: var(--white);
}

.legacy-icon {
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    color: var(--white);
}

.pm-icon {
    background: linear-gradient(135deg, #0891b2, #06b6d4);
    color: var(--white);
}

.data-icon {
    background: linear-gradient(135deg, #059669, #34d399);
    color: var(--white);
}

.healthcare-icon {
    background: linear-gradient(135deg, #dc2626, #f87171);
    color: var(--white);
}

.finance-icon {
    background: linear-gradient(135deg, #059669, #10b981);
    color: var(--white);
}

.manufacturing-icon {
    background: linear-gradient(135deg, #d97706, #fbbf24);
    color: var(--white);
}

.ecommerce-icon {
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    color: var(--white);
}

.airline-icon {
    background: linear-gradient(135deg, #0284c7, #38bdf8);
    color: var(--white);
}

.logistics-icon {
    background: linear-gradient(135deg, #4b5563, #6b7280);
    color: var(--white);
}

.expertise-card h3 {
    margin-bottom: var(--spacing-3);
}

.expertise-card p {
    color: var(--neutral-600);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-4);
}

.card-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--primary-500);
}

.card-link:hover {
    color: var(--primary-600);
}

/* ----------------------------------------
   Services Overview Section (Home)
   ---------------------------------------- */
.services-overview {
    padding: var(--spacing-20) 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--neutral-200);
    text-align: center;
}

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

.service-card-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
}

.service-card-icon svg {
    width: 32px;
    height: 32px;
}

.service-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-3);
}

.service-card p {
    color: var(--neutral-600);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-4);
}

/* ----------------------------------------
   Industries Section (Home)
   ---------------------------------------- */
.industries {
    padding: var(--spacing-20) 0;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-5);
}

.industry-card {
    background: var(--white);
    padding: var(--spacing-5);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--neutral-200);
    text-align: center;
}

.industry-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-200);
}

.industry-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-3);
}

.industry-icon svg {
    width: 24px;
    height: 24px;
}

.industry-card h4 {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-2);
    color: var(--neutral-800);
}

.industry-card p {
    color: var(--neutral-500);
    font-size: var(--font-size-xs);
    margin-bottom: 0;
    line-height: 1.4;
}

/* ----------------------------------------
   Why Us Section
   ---------------------------------------- */
.why-us .container {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-16);
    align-items: start;
}

.why-us-content {
    padding-right: var(--spacing-8);
}

.why-us-content .section-title {
    text-align: left;
    margin-bottom: var(--spacing-8);
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.benefits-list li {
    display: flex;
    gap: var(--spacing-4);
    align-items: flex-start;
}

.benefit-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: var(--accent-100);
    color: var(--accent-500);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.benefits-list strong {
    display: block;
    margin-bottom: var(--spacing-1);
    color: var(--neutral-900);
}

.benefits-list p {
    color: var(--neutral-600);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

.why-us-stats {
    display: grid;
    gap: var(--spacing-6);
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: var(--white);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-2);
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

/* ----------------------------------------
   CTA Section
   ---------------------------------------- */
.cta-section {
    background: linear-gradient(135deg, var(--primary-800), var(--primary-900));
    color: var(--white);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: var(--spacing-4);
}

.cta-content p {
    color: var(--primary-200);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-8);
}

/* ----------------------------------------
   Services Page
   ---------------------------------------- */
.service-detail {
    padding: var(--spacing-20) 0;
}

.service-content {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-12);
    align-items: start;
}

.service-content.reverse {
    grid-template-columns: 1fr 200px;
}

.service-content.reverse .service-icon {
    order: 2;
}

.service-icon.large {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.service-icon.large svg {
    width: 64px;
    height: 64px;
}

.service-text h2 {
    margin-bottom: var(--spacing-4);
}

.service-intro {
    font-size: var(--font-size-lg);
    color: var(--neutral-600);
    margin-bottom: var(--spacing-8);
}

.service-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-6);
}

.feature {
    padding: var(--spacing-5);
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--neutral-200);
}

.alt-bg .feature {
    background: var(--neutral-50);
}

.feature h4 {
    margin-bottom: var(--spacing-2);
    color: var(--neutral-900);
}

.feature p {
    color: var(--neutral-600);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

/* ----------------------------------------
   About Page
   ---------------------------------------- */
.about-intro .container {
    padding-top: var(--spacing-8);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-12);
    align-items: center;
}

.about-text h2 {
    margin-bottom: var(--spacing-6);
}

.about-text .lead {
    font-size: var(--font-size-lg);
    color: var(--neutral-700);
    margin-bottom: var(--spacing-4);
}

.image-placeholder {
    background: linear-gradient(135deg, var(--primary-100), var(--accent-100));
    border-radius: var(--radius-xl);
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-icon {
    width: 80px;
    height: 80px;
    color: var(--primary-400);
}

/* Values */
.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
}

.value-card {
    text-align: center;
    padding: var(--spacing-6);
}

.value-icon {
    width: 64px;
    height: 64px;
    background: var(--white);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
    box-shadow: var(--shadow-md);
}

.value-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary-500);
}

.value-card h3 {
    margin-bottom: var(--spacing-2);
}

.value-card p {
    color: var(--neutral-600);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

/* Tech Stack */
.tech-stack {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-8);
}

.tech-category {
    background: var(--white);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    border: 1px solid var(--neutral-200);
}

.tech-category h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-4);
    padding-bottom: var(--spacing-3);
    border-bottom: 2px solid var(--primary-500);
}

.tech-list li {
    padding: var(--spacing-2) 0;
    color: var(--neutral-600);
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--neutral-100);
}

.tech-list li:last-child {
    border-bottom: none;
}

/* Approach */
.approach-steps {
    max-width: 800px;
    margin: 0 auto;
}

.approach-step {
    display: flex;
    gap: var(--spacing-6);
    padding: var(--spacing-6) 0;
    border-bottom: 1px solid var(--neutral-200);
}

.approach-step:last-child {
    border-bottom: none;
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--white);
    border: 2px solid var(--primary-500);
    color: var(--primary-500);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.step-content h3 {
    margin-bottom: var(--spacing-2);
}

.step-content p {
    color: var(--neutral-600);
    margin-bottom: 0;
}

/* ----------------------------------------
   Contact Page
   ---------------------------------------- */
.contact-section {
    padding: var(--spacing-16) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
}

.contact-info h2 {
    margin-bottom: var(--spacing-4);
}

.contact-intro {
    color: var(--neutral-600);
    margin-bottom: var(--spacing-8);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.contact-method {
    display: flex;
    gap: var(--spacing-4);
    align-items: flex-start;
}

.method-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-50);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.method-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-500);
}

.method-content h4 {
    margin-bottom: var(--spacing-1);
}

.method-content a,
.method-content p {
    color: var(--neutral-600);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

.method-content a:hover {
    color: var(--primary-500);
}

.response-time {
    background: var(--neutral-50);
    padding: var(--spacing-5);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-500);
}

.response-time h4 {
    margin-bottom: var(--spacing-2);
}

.response-time p {
    color: var(--neutral-600);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--white);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--neutral-200);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.form-group label {
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--neutral-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-3) var(--spacing-4);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-md);
    background: var(--white);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    margin-top: var(--spacing-4);
}

/* FAQ */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-8);
}

.faq-item {
    padding: var(--spacing-6);
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--neutral-200);
}

.faq-item h4 {
    margin-bottom: var(--spacing-3);
    color: var(--neutral-900);
}

.faq-item p {
    color: var(--neutral-600);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

/* ----------------------------------------
   Footer
   ---------------------------------------- */
.footer {
    background: var(--neutral-900);
    color: var(--neutral-300);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-4);
}

.footer-brand .logo-text {
    color: var(--white);
}

.footer-brand p {
    color: var(--neutral-400);
    font-size: var(--font-size-sm);
}

.footer h4 {
    color: var(--white);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-4);
}

.footer ul li {
    margin-bottom: var(--spacing-2);
}

.footer ul a {
    color: var(--neutral-400);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer ul a:hover {
    color: var(--white);
}

.footer-contact p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-4);
}

.footer-bottom {
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--neutral-800);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--neutral-500);
    margin-bottom: 0;
}

/* ----------------------------------------
   Responsive Design
   ---------------------------------------- */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 700px;
        margin: 0 auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

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

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

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

    .why-us .container {
        grid-template-columns: 1fr;
    }

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

    .service-content,
    .service-content.reverse {
        grid-template-columns: 1fr;
    }

    .service-content.reverse .service-icon {
        order: 0;
    }

    .service-icon.large {
        margin-bottom: var(--spacing-6);
    }

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

    .about-image {
        order: -1;
        max-width: 300px;
        margin: 0 auto var(--spacing-8);
    }

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

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

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

    .contact-info {
        margin-bottom: var(--spacing-8);
    }

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

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-6);
        gap: var(--spacing-4);
        border-bottom: 1px solid var(--neutral-200);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

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

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

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

    .hero {
        min-height: auto;
        padding: calc(72px + var(--spacing-16)) 0 var(--spacing-16);
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

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

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

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

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

    .service-features {
        grid-template-columns: 1fr;
    }

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

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

    .approach-step {
        flex-direction: column;
        text-align: center;
    }

    .step-number {
        margin: 0 auto;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand .logo {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-4);
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .contact-form-wrapper {
        padding: var(--spacing-6);
    }

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

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

/* ----------------------------------------
   Utility Classes
   ---------------------------------------- */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Form success message */
.form-success {
    background: var(--success);
    color: var(--white);
    padding: var(--spacing-4);
    border-radius: var(--radius-md);
    text-align: center;
    margin-bottom: var(--spacing-4);
}