/* ============================================
   C4 DESIGN SYSTEM - Cadelo Cyber Coding Company
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Dark Cyber Theme */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a25;
    --color-bg-card: #15151f;
    --color-bg-hover: #1f1f2e;
    
    /* Accent Colors */
    --color-accent-primary: #6366f1;
    --color-accent-secondary: #8b5cf6;
    --color-accent-tertiary: #06b6d4;
    --color-accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
    --color-accent-glow: rgba(99, 102, 241, 0.4);
    
    /* Text Colors */
    --color-text-primary: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-text-tertiary: #64748b;
    --color-text-muted: #475569;
    
    /* Border Colors */
    --color-border: rgba(148, 163, 184, 0.1);
    --color-border-hover: rgba(99, 102, 241, 0.3);
    
    /* Status Colors */
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--color-accent-glow);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Selection */
::selection {
    background: var(--color-accent-primary);
    color: white;
}

/* Focus */
:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 2px;
}

h1:focus {
    outline: none;
}

/* ============================================
   SVG ICONS
   ============================================ */

.icon {
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.icon svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.icon-sm {
    width: 16px;
    height: 16px;
}

.icon-md {
    width: 24px;
    height: 24px;
}

.icon-lg {
    width: 32px;
    height: 32px;
}

.icon-xl {
    width: 48px;
    height: 48px;
}

.icon-2xl {
    width: 64px;
    height: 64px;
}

/* Card Icon with SVG */
.card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    color: var(--color-accent-primary);
}

.card-icon svg {
    width: 28px;
    height: 28px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.card-icon.icon-success {
    color: var(--color-success);
}

.card-icon.icon-warning {
    color: var(--color-warning);
}

.card-icon.icon-error {
    color: var(--color-error);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
}

h1 {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 600;
}

h4 {
    font-size: 1.125rem;
    font-weight: 600;
}

p {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

@media (min-width: 768px) {
    p {
        font-size: 1.125rem;
    }
}

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

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

/* ============================================
   LAYOUT
   ============================================ */

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

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

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

@media (min-width: 768px) {
    .section {
        padding: var(--space-4xl) 0;
    }
}

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

@media (min-width: 768px) {
    .section-header {
        margin-bottom: var(--space-3xl);
    }
}

.section-header h2 {
    margin-bottom: var(--space-md);
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .grid {
        gap: var(--space-xl);
    }
}

.grid-2 {
    grid-template-columns: 1fr;
}

.grid-3 {
    grid-template-columns: 1fr;
}

.grid-4 {
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Flexbox Utilities */
.flex {
    display: flex;
}

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

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-col {
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.site-header.scrolled {
    background: rgba(10, 10, 15, 0.95);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    padding: 0 var(--space-md);
    max-width: var(--container-max);
    margin: 0 auto;
}

@media (min-width: 768px) {
    .header-inner {
        height: 80px;
        padding: 0 var(--container-padding);
    }
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--color-text-primary);
    text-decoration: none;
}

@media (min-width: 768px) {
    .logo {
        font-size: 1.5rem;
    }
}

.logo-symbol {
    font-family: var(--font-mono);
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-main {
    display: none;
    align-items: center;
    gap: var(--space-lg);
}

@media (min-width: 900px) {
    .nav-main {
        display: flex;
        gap: var(--space-xl);
    }
}

.nav-main a {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-main a:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-hover);
}

.nav-main a.active {
    color: var(--color-accent-primary);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

@media (min-width: 900px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-fast);
    border-radius: 2px;
}

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

.mobile-menu-toggle.open span:nth-child(2) {
    opacity: 0;
}

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

/* Mobile Navigation */
.nav-mobile {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-secondary);
    padding: var(--space-xl);
    z-index: 999;
    overflow-y: auto;
}

.nav-mobile.open {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.nav-mobile a {
    display: block;
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 1.125rem;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-mobile a:hover,
.nav-mobile a.active {
    color: var(--color-text-primary);
    background: var(--color-bg-hover);
}

@media (min-width: 900px) {
    .nav-mobile {
        display: none !important;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px var(--space-md) var(--space-3xl);
    overflow: hidden;
}

@media (min-width: 768px) {
    .hero {
        padding: 120px var(--container-padding) var(--space-4xl);
    }
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
}

@media (min-width: 768px) {
    .hero-gradient {
        width: 600px;
        height: 600px;
        filter: blur(100px);
    }
}

.hero-gradient-1 {
    top: -100px;
    right: -50px;
    background: var(--color-accent-primary);
}

@media (min-width: 768px) {
    .hero-gradient-1 {
        top: -200px;
        right: -100px;
    }
}

.hero-gradient-2 {
    bottom: -100px;
    left: -50px;
    background: var(--color-accent-secondary);
}

@media (min-width: 768px) {
    .hero-gradient-2 {
        bottom: -200px;
        left: -100px;
    }
}

.hero-content {
    text-align: center;
    max-width: 900px;
    z-index: 1;
    padding: 0 var(--space-sm);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

@media (min-width: 768px) {
    .hero-badge {
        padding: var(--space-sm) var(--space-lg);
        font-size: 0.875rem;
        margin-bottom: var(--space-xl);
    }
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@media (min-width: 768px) {
    .hero-badge-dot {
        width: 8px;
        height: 8px;
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
    .hero-title {
        margin-bottom: var(--space-lg);
    }
}

.hero-title .gradient-text {
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: 1.25rem;
        margin-bottom: var(--space-2xl);
    }
}

.hero-payoff {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--color-accent-tertiary);
    margin-bottom: var(--space-xl);
    letter-spacing: 0.05em;
}

@media (min-width: 768px) {
    .hero-payoff {
        font-size: 1.125rem;
        margin-bottom: var(--space-2xl);
    }
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

@media (min-width: 768px) {
    .btn {
        padding: var(--space-md) var(--space-xl);
        font-size: 1rem;
    }
}

.btn-primary {
    background: var(--color-accent-gradient);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px var(--color-accent-glow);
    color: white;
}

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

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

.btn-large {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
}

@media (min-width: 768px) {
    .btn-large {
        padding: var(--space-lg) var(--space-2xl);
        font-size: 1.125rem;
    }
}

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.875rem;
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    transition: all var(--transition-base);
}

@media (min-width: 768px) {
    .card {
        padding: var(--space-xl);
    }
}

.card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

@media (min-width: 768px) {
    .card-title {
        font-size: 1.25rem;
    }
}

.card-description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .card-description {
        font-size: 1rem;
    }
}

/* Feature Card */
.feature-card {
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card:hover::before {
    opacity: 1;
}

/* ============================================
   PARADIGM SECTION
   ============================================ */

.paradigm {
    background: var(--color-bg-secondary);
}

.paradigm-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

@media (min-width: 768px) {
    .paradigm-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-3xl);
    }
}

.paradigm-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    order: -1;
}

@media (min-width: 768px) {
    .paradigm-visual {
        order: 0;
    }
}

.paradigm-symbol {
    font-family: var(--font-mono);
    font-size: 4rem;
    font-weight: 800;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (min-width: 768px) {
    .paradigm-symbol {
        font-size: 8rem;
    }
}

.paradigm-plus {
    font-size: 2rem;
    color: var(--color-text-tertiary);
    margin: 0 var(--space-md);
}

@media (min-width: 768px) {
    .paradigm-plus {
        font-size: 4rem;
        margin: 0 var(--space-lg);
    }
}

/* ============================================
   METHOD SECTION
   ============================================ */

.method-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .method-steps {
        gap: var(--space-xl);
    }
}

.method-step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-md);
    align-items: start;
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

@media (min-width: 768px) {
    .method-step {
        gap: var(--space-xl);
        padding: var(--space-xl);
    }
}

.method-step:hover {
    border-color: var(--color-border-hover);
}

.method-step-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-gradient);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1rem;
    color: white;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .method-step-number {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
        border-radius: var(--radius-lg);
    }
}

.method-step-content h3 {
    margin-bottom: var(--space-sm);
    font-size: 1.125rem;
}

@media (min-width: 768px) {
    .method-step-content h3 {
        font-size: 1.5rem;
    }
}

/* ============================================
   MVP SPRINT SECTION
   ============================================ */

.mvp-sprint {
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

.mvp-highlight {
    background: var(--color-bg-card);
    border: 1px solid var(--color-accent-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

@media (min-width: 768px) {
    .mvp-highlight {
        border-radius: var(--radius-2xl);
        padding: var(--space-3xl);
    }
}

.mvp-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-accent-gradient);
}

.mvp-stat {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 800;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-md);
}

.mvp-stat-label {
    font-size: 1.25rem;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
}

@media (min-width: 768px) {
    .mvp-stat-label {
        font-size: 1.5rem;
    }
}

.mvp-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin-top: var(--space-2xl);
}

@media (min-width: 768px) {
    .mvp-features {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
        margin-top: var(--space-3xl);
    }
}

.mvp-feature {
    text-align: center;
    padding: var(--space-lg);
}

.mvp-feature-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-primary);
}

.mvp-feature-icon svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
}

/* ============================================
   CADDY SECTION
   ============================================ */

.caddy-section {
    position: relative;
    overflow: hidden;
}

.caddy-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

@media (min-width: 900px) {
    .caddy-container {
        grid-template-columns: 1fr 2fr;
        gap: var(--space-3xl);
    }
}

.caddy-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
}

.caddy-avatar-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: var(--color-bg-tertiary);
    border: 3px solid var(--color-accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
    position: relative;
}

@media (min-width: 768px) {
    .caddy-avatar-circle {
        width: 200px;
        height: 200px;
    }
}

.caddy-avatar-circle::before {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    border: 1px solid var(--color-accent-primary);
    opacity: 0.3;
    animation: caddy-pulse 3s ease-in-out infinite;
}

@keyframes caddy-pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.05); opacity: 0.1; }
}

.caddy-avatar-icon {
    width: 60px;
    height: 60px;
    color: var(--color-accent-primary);
}

@media (min-width: 768px) {
    .caddy-avatar-icon {
        width: 80px;
        height: 80px;
    }
}

.caddy-avatar-icon svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
}

.caddy-info h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
    .caddy-info h3 {
        font-size: 2rem;
        margin-bottom: var(--space-lg);
    }
}

.caddy-traits {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

@media (min-width: 768px) {
    .caddy-traits {
        margin-top: var(--space-xl);
    }
}

.caddy-trait {
    padding: var(--space-xs) var(--space-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

@media (min-width: 768px) {
    .caddy-trait {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.875rem;
    }
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    background: var(--color-bg-secondary);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 var(--space-sm);
}

.cta-content h2 {
    margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
    .cta-content h2 {
        margin-bottom: var(--space-lg);
    }
}

.cta-content p {
    margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
    .cta-content p {
        margin-bottom: var(--space-2xl);
    }
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-2xl) 0 var(--space-xl);
}

@media (min-width: 768px) {
    .site-footer {
        padding: var(--space-3xl) 0 var(--space-xl);
    }
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

@media (min-width: 640px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: var(--space-3xl);
        margin-bottom: var(--space-3xl);
    }
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
    .footer-brand .logo {
        margin-bottom: var(--space-lg);
    }
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--color-text-tertiary);
}

@media (min-width: 768px) {
    .footer-brand p {
        font-size: 0.95rem;
    }
}

.footer-nav h4 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
    .footer-nav h4 {
        font-size: 0.875rem;
        margin-bottom: var(--space-lg);
    }
}

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

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

.footer-nav a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

@media (min-width: 768px) {
    .footer-nav a {
        font-size: 0.95rem;
    }
}

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

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    font-size: 0.8rem;
    color: var(--color-text-tertiary);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding-top: var(--space-xl);
        font-size: 0.875rem;
        text-align: left;
    }
}

/* ============================================
   COOKIE BANNER (GDPR)
   ============================================ */

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-lg);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    transform: translateY(100%);
    transition: transform var(--transition-base);
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-banner-content {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .cookie-banner-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.cookie-banner-text {
    flex: 1;
}

.cookie-banner-text h4 {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1rem;
    margin-bottom: var(--space-sm);
}

.cookie-banner-text h4 svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-accent-primary);
    fill: none;
    stroke-width: 2;
}

.cookie-banner-text p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin: 0;
}

.cookie-banner-text a {
    color: var(--color-accent-primary);
    text-decoration: underline;
}

.cookie-banner-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.cookie-banner-actions .btn {
    flex: 1;
    min-width: 120px;
}

@media (min-width: 768px) {
    .cookie-banner-actions .btn {
        flex: none;
    }
}

/* Cookie Settings Modal */
.cookie-settings-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.cookie-settings-overlay.visible {
    display: flex;
}

.cookie-settings-modal {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--space-xl);
}

.cookie-settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.cookie-settings-header h3 {
    font-size: 1.25rem;
}

.cookie-settings-close {
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cookie-settings-close:hover {
    color: var(--color-text-primary);
}

.cookie-settings-close svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}

.cookie-option {
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-border);
}

.cookie-option:last-child {
    border-bottom: none;
}

.cookie-option-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.cookie-option-header h4 {
    font-size: 1rem;
    font-weight: 600;
}

.cookie-option p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin: 0;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    width: 48px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: var(--color-text-secondary);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--color-accent-primary);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(24px);
    background: white;
}

.toggle-switch input:disabled + .toggle-slider {
    opacity: 0.5;
    cursor: not-allowed;
}

.cookie-settings-footer {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    flex-wrap: wrap;
}

.cookie-settings-footer .btn {
    flex: 1;
    min-width: 140px;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-gradient {
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

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

/* ============================================
   ANIMATIONS
   ============================================ */

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-fade-in {
    animation: fadeIn 0.4s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ============================================
   ABOUT PAGE
   ============================================ */

.about-hero {
    padding-top: 120px;
    padding-bottom: var(--space-3xl);
    text-align: center;
}

@media (min-width: 768px) {
    .about-hero {
        padding-top: 140px;
        padding-bottom: var(--space-4xl);
    }
}

.founders-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 640px) {
    .founders-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--space-xl);
    }
}

.founder-card {
    text-align: center;
    padding: var(--space-xl);
}

@media (min-width: 768px) {
    .founder-card {
        padding: var(--space-2xl);
    }
}

.founder-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--color-bg-tertiary);
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-border);
}

@media (min-width: 768px) {
    .founder-avatar {
        width: 120px;
        height: 120px;
        margin-bottom: var(--space-lg);
    }
}

.founder-avatar svg {
    width: 48px;
    height: 48px;
    stroke: var(--color-text-tertiary);
    fill: none;
    stroke-width: 1.5;
}

@media (min-width: 768px) {
    .founder-avatar svg {
        width: 56px;
        height: 56px;
    }
}

.founder-name {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
}

@media (min-width: 768px) {
    .founder-name {
        font-size: 1.25rem;
    }
}

.founder-role {
    color: var(--color-accent-primary);
    font-size: 0.9rem;
    font-weight: 500;
}

@media (min-width: 768px) {
    .founder-role {
        font-size: 0.95rem;
    }
}

/* ============================================
   CONTACT PAGE
   ============================================ */

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--space-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

@media (min-width: 768px) {
    .form-input,
    .form-textarea {
        padding: var(--space-md) var(--space-lg);
    }
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

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

@media (min-width: 768px) {
    .form-textarea {
        min-height: 150px;
    }
}

/* ============================================
   LEGAL PAGES
   ============================================ */

.legal-page {
    padding-top: 120px;
}

@media (min-width: 768px) {
    .legal-page {
        padding-top: 140px;
    }
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--space-lg);
}

.legal-content h2 {
    font-size: 1.25rem;
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
    .legal-content h2 {
        font-size: 1.5rem;
    }
}

.legal-content p {
    margin-bottom: var(--space-md);
}

.legal-content ul {
    margin-bottom: var(--space-md);
    padding-left: var(--space-xl);
}

.legal-content li {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.legal-content .last-updated {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-2xl);
}

/* ============================================
   VALIDATION (Blazor)
   ============================================ */

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--color-success);
}

.invalid {
    outline: 1px solid var(--color-error);
}

.validation-message {
    color: var(--color-error);
    font-size: 0.875rem;
    margin-top: var(--space-xs);
}

/* ============================================
   ERROR HANDLING
   ============================================ */

.blazor-error-boundary {
    background: var(--color-error);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    color: white;
}

.blazor-error-boundary::after {
    content: "Si è verificato un errore.";
}

#blazor-error-ui {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-error);
    padding: var(--space-md);
    color: white;
    text-align: center;
    display: none;
    z-index: 9999;
}

#blazor-error-ui .reload {
    color: white;
    text-decoration: underline;
    margin-left: var(--space-md);
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    margin-left: var(--space-md);
}

.darker-border-checkbox.form-check-input {
    border-color: var(--color-text-tertiary);
}