/* ========================================
   Horizon Shift - Premium Website Styles
   ======================================== */

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

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

:root {
    /* Color Palette - Restrained & Executive */
    --color-primary: #1a2332;      /* Deep navy - primary text */
    --color-secondary: #2c3e50;    /* Slate blue - secondary elements */
    --color-accent: #3498db;       /* Calm blue - accents and CTAs */
    --color-accent-dark: #2980b9;  /* Darker blue for hovers */
    --color-light: #f8f9fa;        /* Off-white background */
    --color-white: #ffffff;        /* Pure white */
    --color-border: #e1e8ed;       /* Light borders */
    --color-text: #2c3e50;         /* Body text */
    --color-text-light: #5a6c7d;   /* Lighter text */
    --color-success: #27ae60;      /* Success states */
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Libre Baskerville', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Layout */
    --container-width: 1200px;
    --nav-height: 80px;
    
    /* Transitions */
    --transition-speed: 0.3s;
}

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

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

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

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

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

/* ========================================
   Layout
   ======================================== */

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

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

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

.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background-color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: box-shadow var(--transition-speed);
}

.main-nav.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo-link {
    color: var(--color-primary);
    transition: color var(--transition-speed);
}

.logo-link:hover {
    color: var(--color-accent);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--transition-speed);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-speed);
}

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

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

.nav-link-cta {
    padding: 0.5rem 1.25rem;
    background-color: var(--color-accent);
    color: var(--color-white);
    border-radius: 4px;
}

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

.nav-link-cta:hover {
    background-color: var(--color-accent-dark);
    color: var(--color-white);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-primary);
    transition: all var(--transition-speed);
}

/* ========================================
   Page Sections
   ======================================== */

.page-section {
    min-height: 100vh;
    padding-top: var(--nav-height);
    display: none;
}

.page-section.active {
    display: block;
}

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

.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-xl);
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}

.hero-title {
    font-size: 3.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

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

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-speed);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--color-white);
    color: var(--color-accent);
}

/* ========================================
   Page Headers
   ======================================== */

.page-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.page-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    line-height: 1.8;
    font-weight: 300;
}

/* ========================================
   Section Titles & Intros
   ======================================== */

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-intro {
    font-size: 1.25rem;
    text-align: center;
    color: var(--color-text-light);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
}

.intro-section {
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   Phases Visual (Home Page)
   ======================================== */

.phases-visual {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.phase-card {
    flex: 1;
    min-width: 200px;
    background-color: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: 8px;
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-speed);
}

.phase-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.phase-number {
    display: inline-block;
    width: 60px;
    height: 60px;
    line-height: 60px;
    border-radius: 50%;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.phase-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.phase-description {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.phase-timeline {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.phase-arrow {
    font-size: 2rem;
    color: var(--color-accent);
    font-weight: 300;
}

/* ========================================
   Value Props (Home Page)
   ======================================== */

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

.value-prop {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 4px solid var(--color-accent);
}

.value-prop h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.value-prop p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* ========================================
   Phase Details (How We Work)
   ======================================== */

.phase-detail {
    background-color: var(--color-white);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-border);
}

.phase-detail-header {
    margin-bottom: var(--spacing-md);
}

.phase-detail-number {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.phase-detail-header h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.phase-detail-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
    font-style: italic;
}

.phase-detail-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.phase-detail-outcomes {
    background-color: var(--color-light);
    padding: var(--spacing-md);
    border-radius: 6px;
    margin-bottom: var(--spacing-md);
}

.phase-detail-outcomes h4 {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.phase-detail-outcomes ul {
    list-style: none;
    padding: 0;
}

.phase-detail-outcomes li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.phase-detail-outcomes li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.phase-detail-duration {
    font-weight: 600;
    color: var(--color-text);
}

.model-principle {
    text-align: center;
    max-width: 700px;
    margin: var(--spacing-lg) auto 0;
    padding: var(--spacing-md);
    background-color: var(--color-light);
    border-radius: 8px;
    border-left: 4px solid var(--color-accent);
}

.model-principle h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.model-principle p {
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: 0;
}

/* ========================================
   Ideal Client & Recognition (Who We Partner With)
   ======================================== */

.ideal-client {
    margin-bottom: var(--spacing-lg);
}

.ideal-client h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.client-criteria {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.criteria-item {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.criteria-item h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

.criteria-item ul {
    list-style: none;
    padding: 0;
}

.criteria-item li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.criteria-item li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
}

.recognition-section {
    margin: var(--spacing-lg) 0;
}

.recognition-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.recognition-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.recognition-card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: all var(--transition-speed);
}

.recognition-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.recognition-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-accent);
}

.recognition-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

.validation-section {
    max-width: 800px;
    margin: var(--spacing-lg) auto;
    text-align: center;
}

.validation-section h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.validation-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text);
}

.readiness-section {
    margin-top: var(--spacing-lg);
}

.readiness-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

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

.readiness-item {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 4px solid var(--color-accent);
}

.readiness-item h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.readiness-item p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* ========================================
   Our Difference
   ======================================== */

.difference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.difference-item {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.difference-item h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

.difference-item p {
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.difference-contrast {
    font-style: italic;
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 0;
}

.approach-comparison {
    margin: var(--spacing-lg) 0;
}

.approach-comparison h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.comparison-table {
    background-color: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    border-bottom: 1px solid var(--color-border);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-header {
    background-color: var(--color-primary);
    color: var(--color-white);
    font-weight: 600;
}

.comparison-cell {
    padding: var(--spacing-sm);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.comparison-label {
    font-weight: 600;
    text-align: left;
    background-color: var(--color-light);
}

.comparison-highlight {
    background-color: rgba(52, 152, 219, 0.05);
    font-weight: 600;
    color: var(--color-accent);
}

.difference-summary {
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
    text-align: center;
    background-color: var(--color-light);
    padding: var(--spacing-md);
    border-radius: 8px;
}

.difference-summary h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.difference-summary p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 0;
}

/* ========================================
   Initial Assessment
   ======================================== */

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

.assessment-intro h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.assessment-intro p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text);
}

.assessment-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.assessment-option {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 2px solid var(--color-border);
    transition: all var(--transition-speed);
}

.assessment-option:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.assessment-option-featured {
    border-color: var(--color-accent);
    position: relative;
}

.assessment-option-featured::before {
    content: 'RECOMMENDED';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.assessment-badge {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.assessment-option h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.assessment-description {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.assessment-details h4,
.assessment-outcome h4 {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.assessment-details ul {
    list-style: none;
    padding: 0;
    margin-bottom: var(--spacing-md);
}

.assessment-details li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

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

.assessment-outcome {
    background-color: var(--color-light);
    padding: var(--spacing-sm);
    border-radius: 6px;
    margin-bottom: var(--spacing-sm);
}

.assessment-outcome p {
    margin-bottom: 0;
    color: var(--color-text);
}

.assessment-timeline {
    font-weight: 600;
    color: var(--color-accent);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.assessment-process {
    margin: var(--spacing-lg) 0;
}

.assessment-process h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-sm);
}

.process-step {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--color-border);
}

.process-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    line-height: 50px;
    border-radius: 50%;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.process-step h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.process-step p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 0;
}

.assessment-investment,
.assessment-cta {
    max-width: 800px;
    margin: var(--spacing-lg) auto;
    text-align: center;
}

.assessment-investment h2,
.assessment-cta h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.assessment-investment p,
.assessment-cta p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text);
}

.assessment-cta {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: 8px;
}

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

.about-story,
.about-approach,
.about-experience,
.about-mindset,
.about-commitment {
    margin-bottom: var(--spacing-lg);
}

.about-story h2,
.about-approach h2,
.about-experience h2,
.about-mindset h2,
.about-commitment h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.about-story p,
.about-approach > p,
.about-experience > p,
.about-mindset p,
.about-commitment p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text);
}

.approach-elements {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.approach-element {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 4px solid var(--color-accent);
}

.approach-element h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.approach-element p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: 0;
}

.experience-list {
    list-style: none;
    padding: 0;
    max-width: 700px;
    margin: var(--spacing-md) auto 0;
}

.experience-list li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
    font-size: 1.05rem;
}

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

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

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

.contact-form-wrapper {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-speed);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea {
    resize: vertical;
}

.form-actions {
    margin-top: var(--spacing-sm);
}

.form-message {
    padding: var(--spacing-sm);
    border-radius: 4px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    display: block;
    background-color: rgba(39, 174, 96, 0.1);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.form-message.error {
    display: block;
    background-color: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
    border: 1px solid #e74c3c;
}

.contact-info {
    background-color: var(--color-light);
    padding: var(--spacing-md);
    border-radius: 8px;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.next-steps {
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.next-steps li {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
    line-height: 1.6;
}

.contact-principle {
    background-color: var(--color-white);
    padding: var(--spacing-sm);
    border-radius: 6px;
    border-left: 4px solid var(--color-accent);
}

.contact-principle p {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.contact-principle p:last-child {
    margin-bottom: 0;
}

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

.site-footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-md);
}

.footer-brand h3 {
    font-size: 1.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
}

.footer-nav {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    transition: color var(--transition-speed);
}

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

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: 0;
}

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

@media (max-width: 1024px) {
    .phases-visual {
        flex-direction: column;
    }
    
    .phase-arrow {
        transform: rotate(90deg);
        margin: var(--spacing-sm) 0;
    }
    
    .difference-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 70px;
        --spacing-xl: 4rem;
        --spacing-lg: 3rem;
    }
    
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.4rem; }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .page-title {
        font-size: 2.25rem;
    }
    
    /* Mobile Navigation */
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-white);
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-speed);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        padding: var(--spacing-xs) 0;
    }
    
    .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(7px, -7px);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .comparison-table {
        overflow-x: auto;
    }
    
    .comparison-row {
        min-width: 600px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-nav {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .page-title {
        font-size: 1.75rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .phase-card,
    .value-prop,
    .criteria-item,
    .difference-item,
    .assessment-option {
        min-width: 100%;
    }
}