/* ==========================================
   AI Brain Partners - Modern Minimal Style (LayerX inspired)
   ========================================== */

/* Variables */
:root {
    /* Colors - Minimal palette */
    --primary: #000000;
    --secondary: #666666;
    --accent: #0066FF;
    --accent-hover: #0052CC;
    --background: #FFFFFF;
    --background-light: #F8F9FA;
    --background-gray: #FAFAFA;
    --border: #E5E7EB;
    --text-primary: #000000;
    --text-secondary: #666666;
    --text-muted: #999999;
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", Monaco, "Cascadia Code", monospace;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Container */
    --max-width: 1200px;
    
    /* Transitions */
    --transition: all 0.2s ease;
    --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--background);
    font-weight: 400;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin: 0;
}

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

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
}

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

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

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
    font-size: 1.125rem;
    line-height: 1.8;
}

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

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #FFFFFF;
    background-color: #FFFFFF !important;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.navbar {
    height: 72px;
    display: flex;
    align-items: center;
    background: #FFFFFF;
    background-color: #FFFFFF !important;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    background: #FFFFFF;
    background-color: #FFFFFF !important;
}

.logo {
    margin-right: var(--space-3xl);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    position: relative;
}

.logo-img {
    height: 50px;
    width: auto;
    max-width: 280px;
    object-fit: contain;
    display: block;
    /* レンダリング最適化 */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}



.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.03em;
    white-space: nowrap;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--space-md);
    align-items: center;
    margin: 0;
    padding: 0;
    margin-left: auto;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    position: relative;
    transition: var(--transition);
    white-space: nowrap;
}

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

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

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

.nav-link.active {
    color: var(--primary);
    font-weight: 600;
}

.nav-cta {
    background: var(--primary);
    color: var(--background);
    padding: var(--space-xs) var(--space-lg);
    border-radius: 4px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--accent);
    color: var(--background);
    transform: translateY(-1px);
}

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

/* Hero Section */
.hero {
    margin-top: 72px;
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-3xl);
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
    position: relative;
    overflow: hidden;
}

/* Hero Video Background */
.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0.95) 0%, 
        rgba(255, 255, 255, 0.9) 50%, 
        rgba(255, 255, 255, 0.95) 100%);
    z-index: 1;
}

/* Animated Background Pattern - More Dynamic */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 30% 40%, rgba(0, 102, 255, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 70% 60%, rgba(0, 204, 255, 0.12) 0%, transparent 45%),
        radial-gradient(circle at 10% 80%, rgba(102, 153, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 90% 20%, rgba(0, 102, 255, 0.08) 0%, transparent 40%);
    animation: pulse-rotate 8s ease-in-out infinite, scale-breathe 4s ease-in-out infinite;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(60deg, transparent 46%, rgba(0, 102, 255, 0.05) 50%, transparent 54%),
        linear-gradient(-60deg, transparent 46%, rgba(0, 204, 255, 0.05) 50%, transparent 54%),
        linear-gradient(0deg, transparent 48%, rgba(102, 153, 255, 0.03) 50%, transparent 52%);
    background-size: 40px 40px;
    animation: grid-move 3s linear infinite, fade-pulse 2s ease-in-out infinite;
    z-index: 0;
}

@keyframes pulse-rotate {
    0%, 100% { 
        transform: translate(-50%, -50%) rotate(0deg) scale(1);
    }
    25% { 
        transform: translate(-45%, -55%) rotate(90deg) scale(1.2);
    }
    50% { 
        transform: translate(-55%, -45%) rotate(180deg) scale(1.1);
    }
    75% { 
        transform: translate(-45%, -50%) rotate(270deg) scale(1.15);
    }
}

@keyframes scale-breathe {
    0%, 100% { 
        opacity: 0.5;
    }
    50% { 
        opacity: 1;
    }
}

@keyframes grid-move {
    0% { 
        transform: translate(0, 0);
    }
    100% { 
        transform: translate(40px, 40px);
    }
}

@keyframes fade-pulse {
    0%, 100% { 
        opacity: 0.3;
    }
    50% { 
        opacity: 0.7;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    margin-bottom: var(--space-lg);
    color: var(--primary);
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.5rem;
}

.nowrap {
    white-space: nowrap;
}

.hero-title .highlight {
    color: var(--accent);
    position: relative;
}

.hero-subtitle {
    font-size: 1.35rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    font-weight: 400;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.hero-background {
    display: none;
}

.hero-scroll {
    display: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-xl);
    font-weight: 500;
    border-radius: 4px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    letter-spacing: -0.01em;
}

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

.btn-primary:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--border);
}

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

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* Sections */
section {
    padding: var(--space-3xl) 0;
    position: relative;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 102, 255, 0.3), 
        rgba(0, 102, 255, 0.5), 
        rgba(0, 102, 255, 0.3), 
        transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

section:hover::before {
    opacity: 1;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    position: relative;
    padding-bottom: var(--space-lg);
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

.section-title {
    color: var(--primary);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
}

/* Services */
.services {
    background: #fafbfc;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

/* Vertical Services Layout */
.services-vertical {
    max-width: 900px;
    margin: 0 auto;
}

.service-card-vertical {
    display: flex;
    align-items: flex-start;
    gap: var(--space-xl);
    padding: var(--space-3xl) 0;
    border-bottom: 1px solid var(--border);
    position: relative;
}

.service-card-vertical:first-child {
    padding-top: 0;
}

.service-card-vertical:last-child {
    border-bottom: none;
}

.service-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent);
    font-family: var(--font-mono);
    line-height: 1;
    min-width: 100px;
}

.service-content-vertical {
    flex: 1;
}

/* Service Images */
.service-image-inline {
    margin: var(--space-xl) 0;
    border-radius: 16px;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
    padding: var(--space-lg);
    border: 1px solid var(--border);
    transition: var(--transition-slow);
}

.service-image-inline:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 102, 255, 0.08);
    border-color: var(--accent);
}

.service-img {
    width: 100%;
    height: auto;
    max-height: 300px;
    object-fit: contain;
    display: block;
    border-radius: 8px;
}

.services-grid {
    display: none;
}

.service-card {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: var(--space-xl);
    transition: var(--transition-slow);
    position: relative;
}

.service-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.service-icon {
    width: 48px;
    height: 48px;
    background: var(--background-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    font-size: 1.5rem;
    color: var(--accent);
}

.service-image-wrapper {
    display: none;
}

.service-title {
    font-size: 1.75rem;
    margin-bottom: var(--space-md);
    color: var(--primary);
    font-weight: 700;
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.service-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-features li {
    padding: var(--space-sm) 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    border-bottom: none;
    position: relative;
    padding-left: var(--space-lg);
}

.service-features li:last-child {
    border-bottom: none;
}

.service-features i {
    color: var(--accent);
    position: absolute;
    left: 0;
    font-size: 0.875rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-lg);
    padding: var(--space-sm) var(--space-lg);
    background: var(--accent);
    color: white;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
}

.service-link:hover {
    background: var(--accent-hover);
    color: white;
    gap: var(--space-sm);
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

/* Why Us Section */
.why-us {
    background: linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.why-us-item {
    padding: var(--space-xl);
    background: var(--background);
    border-radius: 8px;
    transition: var(--transition);
}

.why-us-item:hover {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

.why-us-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: var(--space-md);
    font-family: var(--font-mono);
}

.why-us-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: var(--primary);
}

.why-us-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Flow Section */
.flow {
    background: #f0f4f8;
    border-top: 1px solid var(--border);
}

.flow-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.flow-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--space-xl);
    padding-left: var(--space-xl);
    position: relative;
}

.flow-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
}

.flow-item::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 20px;
    width: 2px;
    height: calc(100% + var(--space-xl));
    background: var(--border);
}

.flow-item:last-child::after {
    display: none;
}

.flow-step {
    display: none;
}

.flow-content {
    width: 100%;
    padding: 0;
    background: transparent;
    box-shadow: none;
}

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

.flow-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.flow-duration {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
}

/* News Section */
.news {
    background: linear-gradient(180deg, #fafbfc 0%, #ffffff 100%);
}

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

.news-item {
    background: var(--background);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--border);
}

.news-item:hover {
    border-color: var(--primary);
    transform: translateX(4px);
}

.news-date {
    color: var(--text-muted);
    font-size: 0.875rem;
    min-width: 100px;
    font-family: var(--font-mono);
}

.news-category {
    background: var(--background-light);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.news-title {
    color: var(--primary);
    font-weight: 500;
    margin: 0;
}

/* Contact Section */
.contact {
    background: #f7f9fc;
    border-top: 1px solid var(--border);
    padding: var(--space-3xl) 0;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-3xl);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    color: var(--primary);
}

.contact-info-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: var(--background-light);
    color: var(--accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--primary);
}

.contact-item p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.contact-form {
    background: var(--background);
    padding: var(--space-2xl);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* Formrun Embed Styles */
.formrun-embed {
    width: 100%;
    min-height: 600px;
}

.formrun-embed iframe {
    width: 100% !important;
    border: none !important;
    border-radius: 8px;
}

.form-group {
    margin-bottom: var(--space-lg);
}

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

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
    color: var(--primary);
    font-size: 0.875rem;
}

.form-group .required {
    color: #e74c3c;
    margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-sm);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--background);
    font-family: var(--font-sans);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #0066ff 0%, #0052cc 100%);
    padding: var(--space-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.cta-title {
    color: var(--background);
    margin-bottom: var(--space-md);
}

.cta-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
}

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

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

.btn-white:hover {
    background: var(--background-light);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: var(--background);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--background);
}

/* Clients Section */
.clients {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, #F8FBFF 0%, #EBF4FF 100%);
    overflow: hidden;
}

.clients-carousel-wrapper {
    margin-top: var(--space-2xl);
    position: relative;
    overflow: hidden;
    mask-image: linear-gradient(to right, 
        transparent 0%, 
        black 5%, 
        black 95%, 
        transparent 100%);
    -webkit-mask-image: linear-gradient(to right, 
        transparent 0%, 
        black 5%, 
        black 95%, 
        transparent 100%);
}

.clients-carousel {
    overflow: hidden;
    position: relative;
}

.clients-track {
    display: flex;
    gap: var(--space-xl);
    animation: scroll-left 50s linear infinite;
    width: fit-content;
}

.clients-track:hover {
    animation-play-state: paused;
}

@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        /* 10個のアイテム（300px）+ 10個のgap（30px）= 3300px左に移動 */
        transform: translateX(-3300px);
    }
}

.client-item {
    background: white;
    border-radius: 16px;
    padding: var(--space-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 300px;
    min-width: 300px;
    height: 120px;
    transition: var(--transition);
    border: 1px solid rgba(0, 102, 255, 0.1);
    flex-shrink: 0;
}

.client-item:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.15);
    border-color: rgba(0, 102, 255, 0.2);
}

.client-logo {
    max-width: 200px;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(0.3);
    opacity: 0.9;
    transition: var(--transition);
}

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

/* モバイル対応 */
@media (max-width: 768px) {
    .clients-track {
        animation-duration: 40s;
    }
    
    .client-item {
        width: 200px;
        min-width: 200px;
        height: 100px;
        padding: var(--space-md);
    }
    
    .client-logo {
        max-width: 150px;
        max-height: 60px;
    }
    
    @keyframes scroll-left {
        0% {
            transform: translateX(0);
        }
        100% {
            /* モバイル: 10個×200px + gaps = 2200px */
            transform: translateX(-2200px);
        }
    }
}

@media (max-width: 480px) {
    .client-item {
        width: 180px;
        min-width: 180px;
        height: 90px;
    }
    
    .client-logo {
        max-width: 120px;
        max-height: 50px;
    }
    
    @keyframes scroll-left {
        0% {
            transform: translateX(0);
        }
        100% {
            /* モバイル小: 10個×180px + gaps = 2000px */
            transform: translateX(-2000px);
        }
    }
}

/* Footer */
.footer {
    background: var(--primary);
    color: var(--background);
    padding: var(--space-3xl) 0 var(--space-lg);
    width: 100%;
    margin: 0;
    box-sizing: border-box;
}

.footer .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    box-sizing: border-box;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.footer-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    color: var(--background);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-lg);
    font-size: 0.95rem;
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--background);
}

.footer-social a:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

.footer-heading {
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    width: 100%;
    margin: 0 auto;
}

.footer-bottom .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Reset body and html margins to ensure footer alignment */
body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Footer Section Alignment Fix */
.footer-section {
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

.footer-section:first-child {
    align-items: flex-start;
}

.footer-section:not(:first-child) {
    align-items: flex-start;
}

/* Desktop Footer Alignment Fix */
@media (min-width: 1200px) {
    .footer .container {
        padding-left: 40px;
        padding-right: 40px;
    }
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: var(--background);
    border: none;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--accent);
    transform: translateY(-4px);
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    background: var(--primary);
    margin: 2px 0;
    transition: var(--transition);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 72px;
        width: 100%;
        height: calc(100vh - 72px);
        background: var(--background);
        transition: var(--transition);
        border-top: 1px solid var(--border);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        padding: var(--space-xl);
        gap: var(--space-lg);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-2px, 6px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-2px, -6px);
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .hero-title {
        font-size: clamp(2rem, 5vw, 3rem);
    }
    
    .service-card-vertical {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .service-number {
        font-size: 2rem;
        min-width: auto;
    }
    
    .service-image-inline {
        margin: var(--space-md) 0;
    }
    
    .service-img {
        max-height: 250px;
    }
    
    .services-grid,
    .why-us-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .contact-form {
        padding: var(--space-xl);
        margin-right: 0;
    }
    
    .contact {
        padding: var(--space-2xl) 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        text-align: center;
    }
    
    .footer .container {
        padding: 0 var(--space-md);
    }
    
    .footer-section {
        text-align: center;
        margin: 0 auto;
    }
    
    .footer-social {
        justify-content: center;
        margin-top: var(--space-md);
    }
    
    .footer-links {
        text-align: center;
    }
    
    .footer-bottom .container {
        padding: 0 var(--space-md);
    }
    
    .news-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: var(--space-sm);
    }
}