/* VirtaMed Design System - Custom CSS */

:root {
    /* Colors */
    --color-primary: #003d7a;
    --color-primary-dark: #002855;
    --color-accent: #0066cc;
    --color-accent-light: #e6f0ff;
    --color-text-primary: #1a1a1a;
    --color-text-secondary: #666666;
    --color-text-light: #999999;
    --color-bg-light: #f5f5f5;
    --color-bg-lighter: #fafafa;
    --color-border: #e0e0e0;
    --color-white: #ffffff;
    --color-gray-900: #1a1a1a;
    --color-gray-700: #4a4a4a;
    --color-gray-600: #666666;
    --color-gray-400: #999999;
    --color-gray-200: #e0e0e0;
    --color-gray-100: #f5f5f5;
    
    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 28px;
    --font-size-4xl: 32px;
    --font-size-5xl: 48px;
    --font-size-6xl: 64px;
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    /* Breakpoints */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);

    /* Layout tokens (Sprint 2) */
    --container-max: 1200px;
    --gutter: 24px;
    --gutter-mobile: 16px;
    --s1: 8px; --s2: 12px; --s3: 16px; --s4: 24px; --s5: 32px; --s6: 48px; --s7: 72px;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Typography */
h1 {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
    margin-bottom: var(--spacing-lg);
}

h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
}

h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    filter: brightness(1.05);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255,255,255,0.8);
}

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

.btn-outline {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

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

.btn-sm {
    padding: 8px 16px;
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: 14px 32px;
    font-size: var(--font-size-lg);
}

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

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

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(245, 248, 251, 0.55);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom: none;
    transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
    color: #0b2e4b;
}

nav.scrolled,
nav.is-scrolled {
    background: var(--color-primary-dark);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xs) 0;
    color: var(--color-white);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-brand .logo {
    height: 32px;
    width: auto;
    transition: all 0.3s ease-in-out;
}

nav.scrolled .logo {
    height: 24px;
}

/* Logo switching: dark logo default, white logo when scrolled */
.nav-logo-default {
    display: inline-block;
}

.nav-logo-scrolled {
    display: none;
}

nav.scrolled .nav-logo-default,
nav.is-scrolled .nav-logo-default {
    display: none;
}

nav.scrolled .nav-logo-scrolled,
nav.is-scrolled .nav-logo-scrolled {
    display: inline-block !important;
}

/* Mobile hamburger nav */
.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle .dash {
    display: block;
    width: 22px;
    height: 2px;
    background: rgba(255,255,255,0.9);
    margin: 4px 0;
    transition: background 0.2s ease;
}

.brand-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: #0b2e4b;
    transition: all 0.3s ease-in-out;
}

nav.scrolled .brand-text,
nav.is-scrolled .brand-text {
    color: var(--color-white);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
    padding: 8px 0;
    transition: height 0.3s ease-in-out, padding 0.3s ease-in-out;
}

nav.scrolled .container,
nav.is-scrolled .container {
    height: 60px;
    padding: 4px 0;
}


nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-lg);
    white-space: nowrap;
    align-items: center;
    transition: gap 0.3s ease-in-out;
}

nav.scrolled ul,
nav.is-scrolled ul {
    gap: var(--spacing-md);
}

/* Hamburger menu */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 101;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: #0b2e4b;
    transition: all 0.3s ease;
}

nav.scrolled .hamburger-line,
nav.is-scrolled .hamburger-line {
    background: var(--color-white);
}

@media (max-width: 1024px) {
    #nav-menu {
        display: none;
        position: fixed;
        top: 72px;
        right: 0;
        width: 280px;
        max-width: 90vw;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-xl);
        border-left: 1px solid var(--color-border);
        height: calc(100vh - 72px);
        overflow-y: auto;
        gap: var(--spacing-sm);
        z-index: 99;
    }

    #nav-menu.open {
        display: flex !important;
    }

    #nav-menu li {
        width: 100%;
    }

    #nav-menu a {
        display: block;
        padding: var(--spacing-md);
        color: var(--color-text-primary);
        border-radius: var(--radius-md);
    }

    #nav-menu a:hover {
        background: var(--color-bg-light);
    }

    /* Force dark text in mobile menu regardless of scroll state */
    #nav-menu a {
        color: #0b2e4b !important;
    }

    .nav-hamburger {
        display: flex;
    }

    body.nav-open {
        overflow: hidden;
    }
}

nav a {
    font-size: var(--font-size-sm);
    color: #0b2e4b;
    font-weight: var(--font-weight-medium);
    transition: all 0.3s ease-in-out;
}

nav.scrolled a,
nav.is-scrolled a {
    color: var(--color-white);
}

nav a:hover {
    color: var(--color-primary);
    transition-duration: 0.2s;
}

nav.scrolled a:hover,
nav.is-scrolled a:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    padding-bottom: 48px;
    overflow: hidden;
}

.hero__media { 
    position: absolute; 
    inset: 0; 
    background: url('assets/brand/Background.png') center/cover no-repeat, url('/static/assets/brand/Background.png') center/cover no-repeat, linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    z-index: 0;
}

.hero__content { 
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    z-index: 1;
}

.hero__panel {
    width: 680px;
    max-width: 100%;
    padding: 48px;
    background: rgba(96, 112, 126, 0.55);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border: none !important;
    outline: none !important;
    border-radius: 0;
    box-shadow: 0 18px 50px rgba(0,0,0,0.18);
    text-align: left;
    margin-left: 0;
}

@media (max-width: 1024px) {
    .hero__panel { 
        width: 600px;
        padding: 36px;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding-top: 96px;
        padding-bottom: 64px;
    }
    
    .hero__panel { 
        width: 100%;
        padding: 32px;
    }
}

@media (max-width: 640px) {
    .hero {
        padding-top: 96px;
        padding-bottom: 48px;
    }
    
    .hero__panel { 
        padding: 24px;
    }
}

.hero__panel h1,
.hero__panel h2,
.hero__panel p,
.hero__panel ul {
    text-align: left;
}

.hero h1 {
    font-size: var(--font-size-6xl);
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.hero-subtitle {
    font-size: var(--font-size-2xl);
    color: rgba(255,255,255,0.92);
    margin-bottom: var(--spacing-md);
}

.hero p {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.85);
    max-width: 600px;
    margin-bottom: var(--spacing-xl);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}
@media (max-width: 640px) {
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
}

/* Sections */
section { 
    padding: 96px 0;
    scroll-margin-top: 100px; /* Account for fixed navigation */
}
@media (max-width: 640px) { section { padding: 64px 0; } }

.section-lead { display: flex; align-items: center; gap: 16px; margin-bottom: 32px; }
.section-lead .rule { width: 3px; height: 100%; min-height: 40px; background: #14b8a6; border-radius: 0; }
.section-lead h2 { margin: 0; color: var(--color-primary-dark); }

@media (max-width: 768px) {
    .section-lead .rule { display: none; }
}

section.gray { background-color: var(--color-bg-light); }

section h2 { text-align: center; color: var(--color-primary); margin-bottom: var(--spacing-2xl); }

section > .container > p:first-of-type { text-align: center; max-width: 600px; margin: 0 auto var(--spacing-2xl); color: var(--color-text-secondary); }

/* Cards */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

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

.card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.card p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

/* Grid */
.grid {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

@media (max-width: 768px) {
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Footer */
footer {
    background-color: #2C4C73;
    color: var(--color-white);
    padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

footer .footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-column {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: inline-block;
    margin-bottom: var(--spacing-lg);
}

.footer-logo img {
    height: 30px;
    width: auto;
    display: block;
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

footer h4 {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

footer ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

footer ul li {
    margin-bottom: 0;
}

footer a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-xl);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-xs);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.max-w-2xl {
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}

.max-w-3xl {
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
}

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }
.mb-6 { margin-bottom: var(--spacing-2xl); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }
.mt-6 { margin-top: var(--spacing-2xl); }

.py-1 { padding: var(--spacing-xs) 0; }
.py-2 { padding: var(--spacing-sm) 0; }
.py-3 { padding: var(--spacing-md) 0; }
.py-4 { padding: var(--spacing-lg) 0; }
.py-5 { padding: var(--spacing-xl) 0; }
.py-6 { padding: var(--spacing-2xl) 0; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-light { color: var(--color-text-light); }
.text-white { color: var(--color-white); }

.bg-light { background-color: var(--color-bg-light); }
.bg-lighter { background-color: var(--color-bg-lighter); }

.font-bold { font-weight: var(--font-weight-bold); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-light { font-weight: var(--font-weight-light); }

/* Trademark mark styling */
.tm {
    font-size: 0.6em;
    vertical-align: super;
    line-height: 0;
    margin-left: 0.05em;
}

/* Readability */
.max-text-width {
    max-width: 70ch;
}

/* RehearsalOS Specific Styles */

/* Hero Content */
.hero-content {
    max-width: 900px;
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

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

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.hero-badge img {
    max-width: 100%;
    height: auto;
    display: block;
    width: 240px;
}

@media (min-width: 769px) {
    .hero-badge img {
        width: 360px;
    }
}

.hero-bullets {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    text-align: left;
    align-items: flex-start;
}

.bullet {
    font-size: var(--font-size-lg);
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.85);
}

.bullet::before {
    content: "✓";
    margin-right: var(--spacing-md);
    font-weight: bold;
    color: #4ade80;
    font-size: var(--font-size-xl);
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    animation: bounce 2s infinite;
    z-index: 2;
}

@media (max-width: 768px) {
    .scroll-indicator {
        display: none;
    }
}

/* Two Column Layouts */
.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

@media (max-width: 768px) {
    .two-column {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

.col-left, .col-right {
    padding: var(--spacing-lg);
}

/* Why Digital Twins Section */
.section-why {
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.challenge-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.challenge-card {
    padding: var(--spacing-xl);
    border: 1px solid var(--color-border);
    background: linear-gradient(135deg, rgba(0, 61, 122, 0.05) 0%, rgba(0, 102, 204, 0.02) 100%);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.challenge-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.challenge-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

/* Bridge Diagram */
.section-bridge {
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.section-bridge h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.bridge-diagram {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
    flex-wrap: wrap;
}

.bridge-node {
    flex: 1;
    min-width: 120px;
    padding: var(--spacing-lg);
    background: var(--color-white);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.node-label {
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    font-size: var(--font-size-lg);
}

.bridge-arrow {
    flex: 0 0 30px;
    text-align: center;
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
}

.bridge-center {
    flex: 2;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-white);
    border: 2px dashed var(--color-accent);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.bridge-block {
    padding: var(--spacing-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    font-size: var(--font-size-base);
}

/* Section Title & Subtitle */
.section-title {
    font-size: var(--font-size-4xl);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Stack Cards */
.stack-card {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xl);
    height: 100%;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

.card-oneliner {
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
}

.card-details {
    margin-top: var(--spacing-md);
}

.card-details ul {
    list-style: none;
    padding-left: 0;
}

.card-details li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.card-details li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* Proof Grid */
.proof-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

@media (max-width: 1024px) {
    .proof-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.proof-tile {
    padding: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.proof-tile:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.proof-number {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.proof-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
}

.proof-footer {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    font-style: italic;
    margin-top: var(--spacing-md);
    font-weight: 500;
}

/* Proof Experts Row */
.proof-experts {
    padding: var(--spacing-3xl) 0;
    background: var(--color-gray-50);
}

.proof-experts .section-header {
    text-align: center;
    max-width: 820px;
    margin: 0 auto var(--spacing-2xl);
}

.section-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.section-rule {
    display: block;
    width: 3px;
    height: 40px;
    background: var(--color-primary);
    margin: 0 auto var(--spacing-md);
    border-radius: 2px;
}

.expert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.expert-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--color-text-secondary);
    background: linear-gradient(180deg, #f7fbff 0%, #ffffff 65%);
    box-shadow: var(--shadow-sm);
}

.expert-photo {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid #d7e5f5;
    box-shadow: 0 10px 30px rgba(0, 40, 85, 0.12);
}

.expert-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.expert-name {
    color: #0b2e4b;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.expert-credential {
    color: #0066b2;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

.expert-points {
    list-style: disc;
    padding-left: var(--spacing-lg);
    text-align: left;
    display: grid;
    gap: var(--spacing-xs);
}

/* Partner Logos Strip */
.partner-logos-strip {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-2xl);
    text-align: center;
}

.logos-label {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xl);
}

.logos-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2xl);
    justify-content: center;
    align-items: center;
}

.partner-logo {
    height: 60px;
    width: auto;
    object-fit: contain;
    opacity: 0.75;
    transition: opacity 0.3s ease;
}

.partner-logo:hover {
    opacity: 1;
}

.partner-logos {
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    color: var(--color-text-secondary);
    background: var(--color-white);
}

/* Capability Tags */
.capability-tags {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.tag {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    background: transparent;
    color: var(--color-primary);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    text-align: center;
}

.tag-label {
    order: 1;
    display: block;
}

.tag-image {
    order: 2;
    height: 150px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
}

.product-illustration {
    margin-top: var(--spacing-lg);
}

.product-illustration img {
    width: 100%;
    max-width: 960px;
    display: block;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.inline-illustration {
    margin-top: var(--spacing-lg);
    text-align: center;
}

.inline-illustration img {
    max-width: 100%;
    height: auto;
    display: inline-block;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.illustration-caption {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: var(--spacing-sm);
    font-weight: var(--font-weight-normal);
    line-height: 1.4;
}

.inline-video {
    margin-top: var(--spacing-lg);
    text-align: center;
}

.inline-video video {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.video-caption {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: var(--spacing-sm);
    font-weight: var(--font-weight-normal);
    line-height: 1.4;
}

.card-video {
    margin-top: var(--spacing-lg);
}

.card-video video {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

/* Timeline */
.timeline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

@media (max-width: 768px) {
    .timeline {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

.timeline-step {
    text-align: center;
    padding: var(--spacing-xl);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    position: relative;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.timeline-step:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

.timeline-step h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

/* Use Case Cards */
.use-case-card {
    padding: var(--spacing-xl);
}

.use-case-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.use-case-card ul {
    list-style: none;
    padding: 0;
}

.use-case-card li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.use-case-card li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* Credibility Metrics */
.credibility-metrics {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.metric {
    padding: var(--spacing-lg);
    background: var(--color-accent-light);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--color-accent);
}

.metric-number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.metric-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

/* Disciplines */
.disciplines {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.discipline {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
}

.expert-note {
    font-style: italic;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-md);
}

/* Contact Form */
.contact-banner {
    padding: var(--spacing-3xl) var(--spacing-lg);
    text-align: center;
}

.contact-banner h2 {
    margin-bottom: var(--spacing-md);
}

.contact-banner > p {
    margin-bottom: var(--spacing-2xl);
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: grid;
    gap: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-row.full {
    grid-template-columns: 1fr;
}

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

.contact-form input,
.contact-form textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background-color: var(--color-white);
    transition: all 0.3s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--color-text-light);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 61, 122, 0.1);
}

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

.checkbox-label-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.checkbox-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

.checkbox-label input[type="checkbox"] {
    cursor: pointer;
    width: 18px;
    height: 18px;
    margin: 0;
    flex-shrink: 0;
}

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

/* Form Messages */
#form-messages {
    margin-bottom: var(--spacing-lg);
}

.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
}

.alert-success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.alert strong {
    font-weight: var(--font-weight-semibold);
}

/* Gray Background Section */
section.gray {
    background-color: var(--color-bg-light);
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: more) {
    .hero {
        border-bottom: 3px solid var(--color-primary);
    }
    
    button, .btn {
        border: 2px solid currentColor;
    }
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: var(--font-size-3xl);
    }
    
    h2 {
        font-size: var(--font-size-2xl);
    }
    
    .hero h1 {
        font-size: var(--font-size-4xl);
    }
    
    nav ul {
        display: none;
    }
}

/* Regulatory Notice Banner */
.notice {
    max-width: 680px;
    margin: var(--spacing-lg) auto;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 15px;
    line-height: 1.6;
}

.notice--info {
    background: rgba(230, 240, 255, 0.7);
    border-left: 4px solid var(--color-accent);
    color: var(--color-primary-dark);
}

.notice strong {
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-dark);
}

@media (max-width: 640px) {
    .notice {
        margin: var(--spacing-md) var(--spacing-md);
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 14px;
    }
}

/* Cookie Consent Banner */
.cookie-consent-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-lg) var(--spacing-xl);
    animation: slideUp 0.3s ease-out;
}

/* HubSpot Form Styling */
.hubspot-form-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

/* Override HubSpot default styles to match site design */
.hubspot-form-wrapper .hs-form {
    font-family: var(--font-family-primary) !important;
}

.hubspot-form-wrapper .hs-form-field {
    margin-bottom: var(--spacing-lg) !important;
}

.hubspot-form-wrapper .hs-input {
    width: 100% !important;
    padding: var(--spacing-md) !important;
    border: 1px solid var(--color-border) !important;
    border-radius: var(--radius-md) !important;
    font-family: var(--font-family-primary) !important;
    font-size: var(--font-size-base) !important;
    color: var(--color-text-primary) !important;
    background-color: var(--color-white) !important;
    transition: all 0.3s ease !important;
}

.hubspot-form-wrapper .hs-input:focus {
    outline: none !important;
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 3px rgba(0, 61, 122, 0.1) !important;
}

.hubspot-form-wrapper .hs-button {
    padding: var(--spacing-md) var(--spacing-2xl) !important;
    font-size: var(--font-size-lg) !important;
    background-color: var(--color-primary) !important;
    color: var(--color-white) !important;
    border: none !important;
    border-radius: var(--radius-md) !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    font-weight: var(--font-weight-medium) !important;
}

.hubspot-form-wrapper .hs-button:hover {
    filter: brightness(1.05) !important;
    box-shadow: var(--shadow-md) !important;
}

.hubspot-form-wrapper .hs-error-msgs {
    list-style: none !important;
    padding: 0 !important;
    margin-top: var(--spacing-xs) !important;
}

.hubspot-form-wrapper .hs-error-msg {
    color: #721c24 !important;
    font-size: var(--font-size-sm) !important;
}

.hubspot-form-wrapper label {
    font-size: var(--font-size-sm) !important;
    color: var(--color-text-secondary) !important;
    margin-bottom: var(--spacing-xs) !important;
    display: block !important;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.cookie-consent-content {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.cookie-consent-content p {
    margin: 0;
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
}

.cookie-consent-content p strong {
    font-weight: var(--font-weight-semibold);
}

.cookie-consent-buttons {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    flex-wrap: wrap;
}

.cookie-learn-more {
    color: var(--color-accent);
    text-decoration: underline;
    font-size: var(--font-size-sm);
}

@media (max-width: 640px) {
    .cookie-consent-banner {
        padding: var(--spacing-md);
    }
    
    .cookie-consent-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .cookie-consent-buttons .btn {
        width: 100%;
    }
}