/* Foundations: Inter/Manrope, calm monochrome inspired by Notion/Linear */
:root {
    --lc-bg: #ffffff;
    --lc-bg-soft: #f6f7f9; /* page section */
    --lc-panel: #ffffff; /* surfaces */
    --lc-text: #0f172a; /* slate-900 */
    --lc-muted: #5b6472; /* neutral-600 */
    --lc-line: #e6e8eb; /* subtle borders */
    --lc-primary: #1f2937; /* neutral deep for buttons/links */
    --lc-primary-contrast: #ffffff;
    --lc-success: #2d8f6f; /* natural green */
    --lc-danger: #dc2626;
    --lc-accent: #6baf92; /* pastel sage */
    --lc-accent-2: #7aa7c2; /* muted blue */
    --lc-accent-3: #c8b88a; /* sand */
    --lc-radius: 12px;
    --lc-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06), 0 1px 1px rgba(15, 23, 42, 0.04);
    --lc-shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

html {
    scroll-behavior: smooth;
}

body {
    color: var(--lc-text);
    background: var(--lc-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Creative mesh pattern backgrounds */
.bg-mesh-light {
    background-color: var(--lc-bg) !important;
    background-image: radial-gradient(1200px 600px at -10% -20%, color-mix(in oklab, var(--lc-accent) 18%, transparent) 0%, transparent 60%),
    radial-gradient(900px 500px at 110% 0%, color-mix(in oklab, var(--lc-accent-2) 18%, transparent) 0%, transparent 60%),
    radial-gradient(600px 300px at 50% 120%, color-mix(in oklab, var(--lc-accent-3) 12%, transparent) 0%, transparent 70%),
    repeating-linear-gradient(135deg, rgba(15, 23, 42, 0.02) 0 2px, rgba(15, 23, 42, 0.0) 2px 6px);
    background-blend-mode: screen, screen, screen, normal;
}

.bg-mesh-dark {
    background-color: var(--lc-bg-soft) !important;
    background-image: radial-gradient(1200px 600px at -10% -20%, color-mix(in oklab, var(--lc-accent) 22%, transparent) 0%, transparent 60%),
    radial-gradient(900px 500px at 110% 0%, color-mix(in oklab, var(--lc-accent-2) 22%, transparent) 0%, transparent 60%),
    radial-gradient(600px 300px at 50% 120%, color-mix(in oklab, var(--lc-accent-3) 16%, transparent) 0%, transparent 70%),
    repeating-linear-gradient(135deg, rgba(15, 23, 42, 0.03) 0 2px, rgba(15, 23, 42, 0.0) 2px 6px);
    background-blend-mode: multiply, multiply, multiply, normal;
}

/* reduce intensity on small screens */
@media (max-width: 575.98px) {
    .bg-mesh-light, .bg-mesh-dark {
        background-image: radial-gradient(800px 400px at -10% -20%, color-mix(in oklab, var(--lc-accent) 14%, transparent) 0%, transparent 60%),
        radial-gradient(600px 320px at 110% 0%, color-mix(in oklab, var(--lc-accent-2) 14%, transparent) 0%, transparent 60%),
        radial-gradient(420px 220px at 50% 120%, color-mix(in oklab, var(--lc-accent-3) 10%, transparent) 0%, transparent 70%),
        repeating-linear-gradient(135deg, rgba(15, 23, 42, 0.015) 0 2px, rgba(15, 23, 42, 0.0) 2px 6px);
    }
}

.container {
    max-width: 1040px;
}

.bg-body {
    background-color: var(--lc-bg) !important;
}

.bg-body-tertiary {
    background-color: var(--lc-bg-soft) !important;
}

/* Typography */
h1, .display-5 {
    letter-spacing: -0.02em;
}

h1 {
    line-height: 1.05;
}

h2, .h3 {
    letter-spacing: -0.01em;
}

.lead {
    color: var(--lc-muted);
    font-weight: 500;
}

.text-body-secondary {
    color: var(--lc-muted) !important;
}

.small, small {
    color: var(--lc-muted);
}

/* Buttons (primary/ghost) */
.btn {
    border-radius: 999px;
    padding-inline: 1.25rem;
}

.btn-lg {
    padding-inline: 1.5rem;
    padding-block: 0.75rem;
}

.btn-primary {
    --bs-btn-bg: var(--lc-primary);
    --bs-btn-border-color: var(--lc-primary);
    --bs-btn-hover-bg: color-mix(in oklab, var(--lc-primary), white 8%);
    --bs-btn-hover-border-color: color-mix(in oklab, var(--lc-primary), white 8%);
    --bs-btn-active-bg: color-mix(in oklab, var(--lc-primary), black 6%);
    --bs-btn-active-border-color: color-mix(in oklab, var(--lc-primary), black 6%);
    --bs-btn-disabled-bg: var(--lc-primary);
    --bs-btn-disabled-border-color: var(--lc-primary);
    --bs-btn-color: var(--lc-primary-contrast);
    box-shadow: var(--lc-shadow-sm);
}

.btn-outline-secondary {
    --bs-btn-color: var(--lc-text);
    --bs-btn-border-color: var(--lc-line);
    --bs-btn-hover-color: var(--lc-text);
    --bs-btn-hover-bg: #f3f4f6;
    --bs-btn-hover-border-color: var(--lc-line);
    --bs-btn-active-bg: #eceff3;
}

/* Surfaces */
.surface {
    background: var(--lc-panel);
    border: 1px solid var(--lc-line);
    border-radius: var(--lc-radius);
    box-shadow: var(--lc-shadow-sm);
}

.surface-soft {
    background: var(--lc-bg-soft);
    border: 1px solid transparent;
    border-radius: var(--lc-radius);
}

.divider {
    border-top: 1px solid var(--lc-line);
}

.border {
    border-color: var(--lc-line) !important;
}

.rounded {
    border-radius: var(--lc-radius) !important;
}

/* Hero */
#hero .lead {
    max-width: 60ch;
}

.header-blur {
    backdrop-filter: saturate(180%) blur(8px);
    background: color-mix(in oklab, var(--lc-bg), transparent 20%);
}

/* Lists */
.list-clean {
    list-style: none;
    padding: 0;
    margin: 0;
}

.kpi-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--lc-line);
}

.kpi-list li:last-child {
    border-bottom: 0;
}

/* Chips */
.chip {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .5rem .75rem;
    border-radius: 999px;
    background: #f3f4f6;
    color: #111827;
    border: 1px solid #e5e7eb;
}

.chip .bi {
    color: var(--lc-accent);
}

/* Table, modern */
.table {
    --bs-table-border-color: var(--lc-line);
}

.table thead th {
    color: var(--lc-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--lc-line);
}

.table tbody tr {
    transition: background-color .15s ease;
}

.table tbody tr:hover {
    background: #fbfcfd;
}

.table td, .table th {
    border-color: var(--lc-line);
}

.table-responsive {
    border: 1px solid var(--lc-line);
    border-radius: var(--lc-radius);
    overflow: hidden;
    box-shadow: var(--lc-shadow-sm);
}

/* Media frames */
.media-frame {
    background: var(--lc-panel);
    border: 1px solid var(--lc-line);
    border-radius: var(--lc-radius);
    box-shadow: var(--lc-shadow-md);
    overflow: hidden;
}

.media-aspect-16x10 {
    aspect-ratio: 16/10;
}

.media-aspect-4x3 {
    aspect-ratio: 4/3;
}

.media-aspect-1x1 {
    aspect-ratio: 1/1;
}

.media-frame img, .media-frame svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Badges */
.badge.text-bg-primary {
    --bs-badge-color: #0f172a;
    --bs-badge-bg: #e5e7eb;
    font-weight: 600;
}

/* Sections spacing */
section {
    scroll-margin-top: 72px;
}

.py-lg-6 {
    padding-top: 4.5rem !important;
    padding-bottom: 4.5rem !important;
}

/* More air on mobile */
@media (max-width: 575.98px) {
    section {
        padding-top: 4rem !important;
        padding-bottom: 4rem !important;
    }
}

/* Micro-interactions */
:root {
    --lc-ring: color-mix(in oklab, var(--lc-accent), white 30%);
}

/* Ensure navbar toggler icon visible in custom theme */
.navbar-light .navbar-toggler-icon {
    filter: invert(0.3);
}

.btn {
    transition: transform .08s ease, box-shadow .2s ease, background-color .15s ease, border-color .15s ease;
}

.btn:hover {
    box-shadow: var(--lc-shadow-md);
}

.btn:active {
    transform: translateY(1px);
    box-shadow: var(--lc-shadow-sm);
}

.btn:focus-visible {
    outline: 0;
    box-shadow: 0 0 0 4px var(--lc-ring);
}

.surface {
    transition: transform .18s ease, box-shadow .2s ease, border-color .2s ease, background-color .2s ease;
}

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

.surface:focus-within {
    box-shadow: var(--lc-shadow-md), 0 0 0 4px var(--lc-ring) inset;
}

.chip {
    transition: background-color .15s ease, border-color .15s ease, transform .08s ease;
}

.chip:hover {
    background: #eef2f5;
    border-color: #d9dde3;
}

.chip:active {
    transform: translateY(1px);
}

.table tbody tr {
    transition: background-color .15s ease;
}

/* Icon accents */
.bi {
    vertical-align: -0.1em;
}

/* Header brand subtle hover */
.navbar-brand {
    transition: opacity .15s ease;
}

.navbar-brand:hover {
    opacity: .8;
}

/* Skip link */
.skip-link {
    position: absolute;
    left: -999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-link:focus {
    position: fixed;
    left: 1rem;
    top: 1rem;
    width: auto;
    height: auto;
    padding: .5rem .75rem;
    background: #111827;
    color: #fff;
    border-radius: .5rem;
    z-index: 1050;
}