/* BrightPath Design System */
:root {
    /* Colors */
    --primary-color: #0F766E;
    /* Teal 700 */
    --primary-light: #14B8A6;
    /* Teal 500 */
    --primary-dark: #0D9488;
    /* Teal 600 */
    --primary-soft: #CCFBF1;
    /* Teal 100 */

    --secondary-color: #F97316;
    /* Orange 500 */
    --secondary-hover: #EA580C;
    /* Orange 600 */
    --secondary-soft: #FFEDD5;
    /* Orange 100 */

    --accent-color: #6366F1;
    /* Indigo 500 */

    --bg-color: #F8FAFC;
    /* Slate 50 */
    --surface-color: #FFFFFF;

    --text-main: #1E293B;
    /* Slate 800 */
    --text-muted: #64748B;
    /* Slate 500 */
    --text-light: #94A3B8;
    /* Slate 400 */

    --border-color: #E2E8F0;
    /* Slate 200 */

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    /* Increased for better sections */

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    /* Increased for friendlier feel */
    --radius-lg: 24px;

    /* Shadows - Smoother & more layered */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.25;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.5em;
    /* Default bottom margin for headers */
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s, transform 0.2s;
}

img {
    max-width: 100%;
    display: block;
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
}

/* Utilities */
.container {
    max-width: 1280px;
    /* Slightly wider */
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

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

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

.text-muted {
    color: var(--text-muted);
}

.flex {
    display: flex;
}

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

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.gap-sm {
    gap: var(--spacing-sm);
}

.gap-md {
    gap: var(--spacing-md);
}

.grid {
    display: grid;
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* Components */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    /* Larger touch area */
    border-radius: 9999px;
    /* Pill shape */
    font-weight: 600;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    /* Prevent layout shift on border changes */
}

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

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

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

.btn-secondary:hover {
    background-color: var(--secondary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background-color: var(--primary-soft);
    color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Cards */
.card {
    background-color: var(--surface-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s, transform 0.2s;
    border: 1px solid var(--border-color);
}

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

/* Navigation */
/* Navigation */
.navbar {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

/* Global logo image sizing — control from CSS rather than inline styles */
.logo img {
    height: 64px;
    width: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 8px 22px rgba(15, 23, 42, 0.06);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.logo:hover img {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 14px 36px rgba(15, 23, 42, 0.10);
}

/* Small logo for compact contexts (footer, small topbars) */
.small-logo {
    height: 32px;
    width: auto;
    opacity: 0.9;
    border-radius: 6px;
    box-shadow: none;
    transition: transform 0.12s ease, opacity 0.12s ease;
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.95rem;
    padding: 0.5rem 0;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--text-main);
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background-color: var(--text-main);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    min-width: 300px;
}

@keyframes slideIn {
    from {
        transform: translateY(100%);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Footer */
.footer {
    background-color: white;
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

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

.footer-col h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-main);
    font-size: 1.1rem;
}

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

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

.footer-col a {
    color: var(--text-muted);
    transition: color 0.2s;
}

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

/* Scroll Reveal Animation */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays for children */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }

/* Grid System helper */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.gap-sm { gap: 1rem; }
.gap-md { gap: 2rem; }
.gap-lg { gap: 4rem; }

/* Responsive */
@media (max-width: 768px) {

    .grid-cols-2,
    .grid-cols-3 {
        grid-template-columns: 1fr;
    }

    .hero h1 { font-size: 2.5rem; }
    .pitch-section h1 { font-size: 2.5rem !important; }
    .layer-container { grid-template-columns: 1fr !important; }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1.5rem;
        box-shadow: var(--shadow-lg);
        text-align: center;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.show {
        display: flex;
    }

    .nav-link::after {
        display: none;
        /* No underline anim on mobile */
    }

    .mobile-menu-btn {
        display: block;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}