/* ========================================
   CSS Reset & Base Styles
======================================== */

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

:root {
    /* Color Palette */
    --color-primary: #1a365d;
    --color-secondary: #2563eb;
    --color-accent: #d97706;
    --color-gold: #fbbf24;
    --color-dark: #0f172a;
    --color-text: #334155;
    --color-text-light: #64748b;
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-dark: #1e293b;
    --color-success: #10b981;
    --color-warning: #ef4444;
    
    /* Typography */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-secondary: 'Noto Serif JP', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* 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);
}

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

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    line-height: 1.7;
    background-color: var(--color-bg);
    overflow-x: hidden;
}

/* ========================================
   Typography
======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.5rem;
}

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

strong {
    font-weight: 700;
}

.highlight-gold {
    color: var(--color-gold);
    font-weight: 700;
}

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

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

.section {
    padding: var(--spacing-3xl) 0;
}

/* Mobile Break */
.mobile-break {
    display: inline;
}

/* ========================================
   Progress Bar
======================================== */

.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-gold));
    z-index: 9999;
    transition: width 0.1s ease;
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: 
        linear-gradient(135deg, rgba(26, 54, 93, 0.75), rgba(15, 23, 42, 0.85)),
        url('../images/hero-bucket.jpg') center/cover no-repeat;
    color: #ffffff;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(251, 191, 36, 0.1), transparent 70%);
    animation: pulse-overlay 6s ease-in-out infinite;
}

@keyframes pulse-overlay {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.hero-title {
    font-size: 2.25rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    text-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.8),
        0 4px 8px rgba(0, 0, 0, 0.6),
        0 0 20px rgba(0, 0, 0, 0.4);
    background: rgba(0, 0, 0, 0.4);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(8px);
}

.hero-title-highlight {
    color: #ffffff;
    display: inline-block;
}

.hero-title-emphasis {
    color: var(--color-gold);
    display: inline-block;
    font-size: 1.1em;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    opacity: 1;
    line-height: 1.6;
    text-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.8),
        0 4px 8px rgba(0, 0, 0, 0.5);
    background: rgba(0, 0, 0, 0.3);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    backdrop-filter: blur(4px);
}

.hero-cta {
    margin-bottom: var(--spacing-xl);
}

.hero-cta-note {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    opacity: 0.85;
}

.scroll-indicator {
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 2rem;
    opacity: 0.7;
}

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

/* ========================================
   Buttons
======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    color: #ffffff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: 1.125rem;
}

.btn-xlarge {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.25rem;
}

.btn-block {
    width: 100%;
}

/* Button Animations */
.pulse {
    animation: pulse-button 2s ease-in-out infinite;
}

@keyframes pulse-button {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(37, 99, 235, 0);
    }
}

.pulse-strong {
    animation: pulse-strong 1.5s ease-in-out infinite;
}

@keyframes pulse-strong {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(251, 191, 36, 0.7);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 15px rgba(251, 191, 36, 0);
    }
}

/* ========================================
   Section Styles
======================================== */

.section-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.section-overline {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: 2rem;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

.section-title.center {
    text-align: center;
}

.section-lead {
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.section-lead.center {
    text-align: center;
}

/* ========================================
   Problem Section
======================================== */

.problem-section {
    background: var(--color-bg-alt);
}

.problem-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.problem-card {
    background: #ffffff;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.problem-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    color: #ffffff;
    border-radius: var(--radius-lg);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

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

.problem-text {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 0;
}

/* Truth Box */
.truth-box {
    background: linear-gradient(135deg, var(--color-primary), var(--color-dark));
    color: #ffffff;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.truth-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-gold);
}

.truth-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: var(--spacing-md);
}

.truth-text {
    font-size: 1.125rem;
    margin-bottom: 0;
}

/* ========================================
   Bucket Section
======================================== */

.bucket-section {
    background: #ffffff;
}

.bucket-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    align-items: center;
}

.bucket-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 600px;
}

.bucket-image {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.bucket-label {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(239, 68, 68, 0.95);
    color: #ffffff;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    box-shadow: var(--shadow-lg);
}

.bucket-text {
    width: 100%;
}

.bucket-title {
    font-size: 1.75rem;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: var(--spacing-lg);
}

.bucket-description {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.bucket-warning {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(217, 119, 6, 0.1));
    border-left: 4px solid var(--color-warning);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.bucket-warning i {
    color: var(--color-warning);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.bucket-warning p {
    margin-bottom: 0;
    font-size: 1.05rem;
    line-height: 1.8;
}

.bucket-conclusion {
    font-size: 1.25rem;
    font-weight: 500;
    margin-top: var(--spacing-lg);
}

/* ========================================
   Design Section
======================================== */

.design-section {
    background: var(--color-bg-alt);
}

.design-content {
    max-width: 900px;
    margin: 0 auto;
}

.design-boxes {
    display: grid;
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.design-box {
    background: #ffffff;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.design-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-secondary), var(--color-gold));
}

.design-box-number {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    color: #ffffff;
    font-size: 0.875rem;
    font-weight: 700;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.design-box-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.design-box-text {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 0;
}

.transformation-image-wrapper {
    margin-top: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.transformation-image {
    width: 100%;
    display: block;
}

/* ========================================
   Credibility Section
======================================== */

.credibility-section {
    background: #ffffff;
}

.credibility-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.credibility-text {
    order: 2;
}

.credibility-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.credibility-statement {
    font-size: 1.25rem;
    line-height: 1.7;
}

.credibility-image {
    order: 1;
}

.expert-image {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

/* Case Study */
.case-study {
    background: linear-gradient(135deg, var(--color-bg-alt), #ffffff);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.case-study-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.case-study-header i {
    font-size: 2.5rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.case-study-header h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0;
}

.case-study-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.case-study-before,
.case-study-after {
    background: #ffffff;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.case-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 700;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.case-label-before {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-warning);
}

.case-label-after {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.case-stat {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.case-result {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.case-problems p,
.case-solutions p {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.case-problems i {
    color: var(--color-warning);
}

.case-solutions i {
    color: var(--color-success);
}

.case-study-arrow {
    text-align: center;
    font-size: 2rem;
    color: var(--color-secondary);
}

.case-study-conclusion {
    text-align: center;
    font-size: 1.125rem;
    margin-top: var(--spacing-lg);
    margin-bottom: 0;
}

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

.process-section {
    background: var(--color-bg-alt);
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.process-step {
    display: flex;
    gap: var(--spacing-lg);
    background: #ffffff;
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.process-step:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.process-step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    color: #ffffff;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: var(--radius-lg);
}

.process-step-content {
    flex: 1;
}

.process-step-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.process-step-text {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 0;
}

.process-conclusion {
    background: linear-gradient(135deg, var(--color-primary), var(--color-dark));
    color: #ffffff;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
}

.process-conclusion-text {
    font-size: 1.25rem;
    line-height: 1.7;
    margin-bottom: 0;
}

/* ========================================
   Urgency Section
======================================== */

.urgency-section {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05), rgba(217, 119, 6, 0.05));
}

.urgency-box {
    background: #ffffff;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
    border: 2px solid rgba(239, 68, 68, 0.2);
}

.urgency-icon {
    font-size: 4rem;
    color: var(--color-warning);
    margin-bottom: var(--spacing-md);
    animation: pulse-icon 2s ease-in-out infinite;
}

@keyframes pulse-icon {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.urgency-title {
    font-size: 1.75rem;
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
}

.urgency-text {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.urgency-calculation {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

.urgency-calc-item {
    background: var(--color-bg-alt);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    width: 100%;
    max-width: 300px;
}

.urgency-calc-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.urgency-calc-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-warning);
}

.urgency-calc-divider {
    font-size: 2rem;
    color: var(--color-secondary);
    font-weight: 700;
}

/* ========================================
   Diagnosis Section
======================================== */

.diagnosis-section {
    background: var(--color-bg-alt);
}

.diagnosis-lead {
    font-size: 1.125rem;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    line-height: 1.8;
}

.diagnosis-features {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.diagnosis-feature {
    background: #ffffff;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
}

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

.diagnosis-feature-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    color: #ffffff;
    border-radius: 50%;
    font-size: 2rem;
    margin: 0 auto var(--spacing-md);
}

.diagnosis-feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.diagnosis-feature-text {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 0;
}

.diagnosis-truth {
    background: linear-gradient(135deg, var(--color-gold), var(--color-accent));
    color: var(--color-dark);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.diagnosis-truth-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ========================================
   CTA Section
======================================== */

.cta-section {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-3xl) 0;
}

.cta-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.cta-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 54, 93, 0.95), rgba(15, 23, 42, 0.92));
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #ffffff;
}

.cta-title {
    font-size: 2rem;
    font-weight: 900;
    line-height: 1.3;
    color: #ffffff;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.cta-subtitle {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.cta-invitation {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
}

.cta-button-wrapper {
    margin-bottom: var(--spacing-lg);
}

.cta-note {
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
    opacity: 0.85;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.cta-limited {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(251, 191, 36, 0.15);
    border: 1px solid rgba(251, 191, 36, 0.3);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
}

.cta-limited i {
    color: var(--color-gold);
}

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

.contact-section {
    background: var(--color-bg-alt);
}

.contact-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background: #ffffff;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.contact-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.contact-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.contact-subtitle {
    color: var(--color-text-light);
    font-size: 1rem;
}

/* Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.form-label {
    font-weight: 700;
    color: var(--color-dark);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.required {
    background: var(--color-warning);
    color: #ffffff;
    font-size: 0.75rem;
    padding: 2px var(--spacing-xs);
    border-radius: var(--radius-sm);
}

.optional {
    background: var(--color-text-light);
    color: #ffffff;
    font-size: 0.75rem;
    padding: 2px var(--spacing-xs);
    border-radius: var(--radius-sm);
}

.form-input,
.form-select,
.form-textarea {
    padding: var(--spacing-md);
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
}

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

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

.form-privacy {
    padding: var(--spacing-md);
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
}

.form-checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.form-checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.privacy-link {
    color: var(--color-secondary);
    text-decoration: underline;
}

.form-submit {
    margin-top: var(--spacing-md);
}

/* Form Success Message */
.form-success {
    text-align: center;
    padding: var(--spacing-2xl);
}

.success-icon {
    font-size: 4rem;
    color: var(--color-success);
    margin-bottom: var(--spacing-lg);
}

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

.success-text {
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

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

.footer {
    background: var(--color-dark);
    color: #ffffff;
    padding: var(--spacing-xl) 0;
}

.footer-content {
    text-align: center;
}

.footer-text {
    margin-bottom: var(--spacing-md);
    opacity: 0.8;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
}

.footer-link {
    color: #ffffff;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity var(--transition-base);
}

.footer-link:hover {
    opacity: 1;
}

/* ========================================
   Animation Classes
======================================== */

.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
    opacity: 0;
}

.fade-in.delay-1 {
    animation-delay: 0.2s;
}

.fade-in.delay-2 {
    animation-delay: 0.4s;
}

.fade-in.delay-3 {
    animation-delay: 0.6s;
}

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

.slide-in-left {
    animation: slideInLeft 0.8s ease-out forwards;
    opacity: 0;
}

.slide-in-left.delay-1 {
    animation-delay: 0.15s;
}

.slide-in-left.delay-2 {
    animation-delay: 0.3s;
}

.slide-in-left.delay-3 {
    animation-delay: 0.45s;
}

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

.slide-in-right {
    animation: slideInRight 0.8s ease-out forwards;
    opacity: 0;
}

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

.slide-in-bottom {
    animation: slideInBottom 0.8s ease-out forwards;
    opacity: 0;
}

.slide-in-bottom.delay-1 {
    animation-delay: 0.15s;
}

.slide-in-bottom.delay-2 {
    animation-delay: 0.3s;
}

.slide-in-bottom.delay-3 {
    animation-delay: 0.45s;
}

.slide-in-bottom.delay-4 {
    animation-delay: 0.6s;
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.fade-in-up.delay-1 {
    animation-delay: 0.15s;
}

.fade-in-up.delay-2 {
    animation-delay: 0.3s;
}

.fade-in-up.delay-3 {
    animation-delay: 0.45s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.zoom-in {
    animation: zoomIn 0.8s ease-out forwards;
    opacity: 0;
}

.zoom-in.delay-1 {
    animation-delay: 0.2s;
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ========================================
   Responsive Design - Tablet
======================================== */

@media (min-width: 768px) {
    html {
        font-size: 17px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section {
        padding: var(--spacing-3xl) 0 var(--spacing-3xl);
    }
    
    .mobile-break {
        display: none;
    }
    
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .bucket-content {
        flex-direction: row;
        align-items: center;
    }
    
    .bucket-image-wrapper {
        width: 50%;
    }
    
    .bucket-text {
        width: 50%;
    }
    
    .design-boxes {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .credibility-content {
        flex-direction: row;
        align-items: center;
    }
    
    .credibility-text {
        width: 50%;
        order: 1;
    }
    
    .credibility-image {
        width: 50%;
        order: 2;
    }
    
    .case-study-content {
        flex-direction: row;
        align-items: center;
    }
    
    .case-study-before,
    .case-study-after {
        flex: 1;
    }
    
    .case-study-arrow {
        flex-shrink: 0;
    }
    
    .diagnosis-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .urgency-calculation {
        flex-direction: row;
        justify-content: center;
    }
}

/* ========================================
   Responsive Design - Desktop
======================================== */

@media (min-width: 1024px) {
    html {
        font-size: 18px;
    }
    
    .container {
        padding: 0 var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .diagnosis-features {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .process-step {
        padding: var(--spacing-xl);
    }
}

/* ========================================
   Print Styles
======================================== */

@media print {
    .progress-bar,
    .scroll-indicator,
    .btn,
    .footer {
        display: none;
    }
}