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

:root {
    /* Color Palette */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #f59e0b;
    --accent-color: #10b981;
    --dark-bg: #0f172a;
    --dark-bg-light: #1e293b;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --text-white: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* Typography */
    --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.7;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height-base);
    color: var(--text-dark);
    background-color: #ffffff;
    overflow-x: hidden;
}

/* ========================================
   Container & Layout
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   Typography
   ======================================== */
.highlight {
    color: var(--primary-color);
    position: relative;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

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

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.125rem 2.25rem;
    font-size: 1.125rem;
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.nav-list a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-base);
}

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: all var(--transition-base);
}

.mobile-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 999;
    transition: left var(--transition-base);
    overflow-y: auto;
}

.mobile-menu.active {
    left: 0;
}

.mobile-nav ul {
    list-style: none;
    padding: var(--spacing-md);
}

.mobile-nav li {
    border-bottom: 1px solid var(--border-color);
}

.mobile-nav a {
    display: block;
    padding: 1.25rem 0;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.125rem;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(59, 130, 246, 0.15) 0%, transparent 50%);
    animation: gradientShift 15s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--text-white);
    max-width: 900px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ========================================
   Pain Points Section
   ======================================== */
.pain-points {
    padding: var(--spacing-xl) 0;
    background-color: #f8fafc;
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.pain-card {
    background-color: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.pain-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--error-color);
}

.pain-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #fef3c7, #fcd34d);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.pain-icon i {
    font-size: 1.75rem;
    color: #f59e0b;
}

.pain-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.pain-text {
    color: var(--text-light);
    line-height: 1.7;
}

/* ========================================
   Features Section
   ======================================== */
.features {
    padding: var(--spacing-xl) 0;
    background-color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    position: relative;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    border: 2px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(37, 99, 235, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-text {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.feature-list i {
    color: var(--success-color);
    font-size: 1rem;
}

/* ========================================
   Lineup Section
   ======================================== */
.lineup {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.lineup-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.lineup-card {
    background-color: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid var(--border-color);
}

.lineup-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.lineup-image {
    height: 150px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
}

.lineup-image i {
    font-size: 3.5rem;
    color: white;
}

.lineup-card > :not(.lineup-image) {
    padding: 0 1.75rem;
}

.lineup-title {
    font-size: 1.375rem;
    font-weight: 700;
    margin: 1.5rem 0 1rem;
    color: var(--text-dark);
}

.lineup-text {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.lineup-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-bottom: 1.75rem;
}

.tag {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background-color: #eff6ff;
    color: var(--primary-color);
    font-size: 0.8125rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
}

/* ========================================
   Case Studies Section
   ======================================== */
.case-studies {
    padding: var(--spacing-xl) 0;
    background-color: #f8fafc;
}

.client-logos {
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    padding: 2rem 0;
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.logo-marquee {
    display: flex;
    gap: 3rem;
    animation: scroll 30s linear infinite;
}

.logo-item {
    flex-shrink: 0;
    padding: 1rem 2rem;
    font-weight: 600;
    color: var(--text-light);
    white-space: nowrap;
}

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

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.case-card {
    background-color: white;
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.case-label {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
}

.case-title {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.case-text {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.case-results {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-color);
}

.result-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.result-label {
    font-size: 0.8125rem;
    color: var(--text-light);
}

.result-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--success-color);
}

/* ========================================
   Flow Section
   ======================================== */
.flow {
    padding: var(--spacing-xl) 0;
    background-color: white;
}

.flow-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.flow-step {
    display: grid;
    grid-template-columns: 100px 1fr 80px;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.flow-step:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 50px;
    top: 100px;
    width: 2px;
    height: calc(100% + 3rem);
    background: linear-gradient(180deg, var(--primary-color), var(--primary-light));
}

.step-number {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    padding: 0.5rem;
    background-color: #eff6ff;
    border-radius: var(--radius-sm);
    height: fit-content;
}

.step-content {
    background-color: #f8fafc;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.step-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.step-title {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.step-text {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.step-duration {
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 600;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.step-icon i {
    font-size: 1.5rem;
    color: white;
}

.flow-note {
    max-width: 900px;
    margin: 2rem auto 0;
    padding: 1.5rem;
    background-color: #fef3c7;
    border-left: 4px solid var(--warning-color);
    border-radius: var(--radius-md);
}

.flow-note p {
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.flow-note i {
    color: var(--warning-color);
}

/* ========================================
   FAQ Section
   ======================================== */
.faq {
    padding: var(--spacing-xl) 0;
    background-color: #f8fafc;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: white;
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    padding: 1.5rem 2rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-question i {
    color: var(--primary-color);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 2rem 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
}

.cta-title .highlight {
    color: var(--secondary-color);
}

.cta-text {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

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

.cta-section .btn-primary:hover {
    background-color: var(--secondary-color);
    color: white;
}

.cta-section .btn-secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

.cta-section .btn-secondary:hover {
    background-color: white;
    color: var(--primary-color);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: var(--spacing-xl) 0;
    background-color: white;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-form {
    background-color: #f8fafc;
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.required {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-left: 0.25rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: var(--font-family);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    background-color: white;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: underline;
}

.form-submit {
    text-align: center;
    margin-top: 2rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    background-color: #f8fafc;
    padding: 1.75rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.info-icon i {
    font-size: 1.5rem;
    color: white;
}

.info-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.info-text {
    color: var(--text-light);
    line-height: 1.7;
}

.info-text a {
    color: var(--primary-color);
    text-decoration: none;
}

.info-text a:hover {
    text-decoration: underline;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--dark-bg);
    color: rgba(255, 255, 255, 0.8);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo .logo-text {
    font-size: 1.75rem;
}

.footer-tagline {
    margin-top: 1rem;
    font-size: 0.9375rem;
    opacity: 0.8;
}

.footer-heading {
    font-size: 1.125rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* ========================================
   Scroll to Top Button
   ======================================== */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    z-index: 100;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid,
    .lineup-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .nav,
    .header-cta {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        gap: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .pain-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid,
    .lineup-grid,
    .case-grid {
        grid-template-columns: 1fr;
    }
    
    .flow-step {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .flow-step::before {
        display: none;
    }
    
    .step-icon {
        margin: 0 auto;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .cta-title {
        font-size: 1.75rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.875rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .btn-large {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
}