/* ==========================================================================
   Hand-built CSS for Braun Technologies — replaces Tailwind CDN.
   Only the utility classes actually used across the site are included.
   ========================================================================== */

/* ---- Reset & base ---- */
*, *::before, *::after { box-sizing: border-box; border: 0 solid #e5e7eb; }
html { line-height: 1.5; -webkit-text-size-adjust: 100%; tab-size: 4; }
body { margin: 0; line-height: inherit; font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: #1f2937; background: #fff; }
h1,h2,h3,h4,h5,h6,p { margin: 0; }
ul,ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: transparent; cursor: pointer; padding: 0; border: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
input, select, textarea { font: inherit; color: inherit; }
pre, code { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
[hidden] { display: none; }

/* ---- Brand custom properties ---- */
:root {
    --brand-blue: #1B6FA8;
    --brand-blue-dark: #155682;
    --brand-ink: #0F172A;
}

/* ---- Layout / display ---- */
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }
.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.inset-8 { top: 2rem; right: 2rem; bottom: 2rem; left: 2rem; }
.top-0 { top: 0; }
.-top-3 { top: -0.75rem; }
.-top-32 { top: -8rem; }
.-right-3 { right: -0.75rem; }
.-right-32 { right: -8rem; }
.z-50 { z-index: 50; }
.z-\[100\] { z-index: 100; }
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

/* ---- Flex / grid ---- */
.flex-1 { flex: 1 1 0%; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.shrink-0 { flex-shrink: 0; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-baseline { align-items: baseline; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }

/* ---- Gap & space ---- */
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-12 { gap: 3rem; }
.gap-x-6 { column-gap: 1.5rem; }
.gap-y-2 { row-gap: 0.5rem; }
.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-5 > * + * { margin-top: 1.25rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }

/* ---- Sizing ---- */
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-1\.5 { width: 0.375rem; }
.w-4 { width: 1rem; }
.w-5 { width: 1.25rem; }
.w-6 { width: 1.5rem; }
.w-7 { width: 1.75rem; }
.w-9 { width: 2.25rem; }
.w-10 { width: 2.5rem; }
.w-12 { width: 3rem; }
.w-\[600px\] { width: 600px; }
.h-full { height: 100%; }
.h-auto { height: auto; }
.h-1\.5 { height: 0.375rem; }
.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-6 { height: 1.5rem; }
.h-7 { height: 1.75rem; }
.h-9 { height: 2.25rem; }
.h-10 { height: 2.5rem; }
.h-12 { height: 3rem; }
.h-\[600px\] { height: 600px; }
.max-w-xs { max-width: 20rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }
.max-w-6xl { max-width: 72rem; }
.max-h-full { max-height: 100%; }
.max-h-\[80vh\] { max-height: 80vh; }
.aspect-square { aspect-ratio: 1 / 1; }

/* ---- Padding ---- */
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.pt-2 { padding-top: 0.5rem; }
.pb-6 { padding-bottom: 1.5rem; }

/* ---- Margin ---- */
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.mt-24 { margin-top: 6rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-14 { margin-bottom: 3.5rem; }

/* ---- Typography ---- */
.font-sans { font-family: Inter, system-ui, -apple-system, sans-serif; }
.font-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.text-\[10px\] { font-size: 10px; line-height: 1.4; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-5xl { font-size: 3rem; line-height: 1; }
.text-center { text-align: center; }
.uppercase { text-transform: uppercase; }
.leading-tight { line-height: 1.25; }
.leading-relaxed { line-height: 1.625; }
.leading-\[1\.05\] { line-height: 1.05; }
.tracking-tight { letter-spacing: -0.025em; }
.tracking-wide { letter-spacing: 0.025em; }
.tracking-wider { letter-spacing: 0.05em; }
.antialiased { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
.whitespace-nowrap { white-space: nowrap; }

/* ---- Colors ---- */
.text-white { color: #fff; }
.text-brand-blue { color: var(--brand-blue); }
.text-brand-blue\/10 { color: rgb(27 111 168 / 0.1); }
.text-brand-ink { color: var(--brand-ink); }
.text-slate-300 { color: #cbd5e1; }
.text-slate-400 { color: #94a3b8; }
.text-slate-500 { color: #64748b; }
.text-slate-600 { color: #475569; }
.text-slate-700 { color: #334155; }
.text-slate-800 { color: #1e293b; }
.text-green-700 { color: #15803d; }
.text-green-800 { color: #166534; }
.text-red-500 { color: #ef4444; }
.text-red-600 { color: #dc2626; }

.bg-white { background-color: #fff; }
.bg-black\/75 { background-color: rgb(0 0 0 / 0.75); }
.bg-brand-blue { background-color: var(--brand-blue); }
.bg-brand-blue\/10 { background-color: rgb(27 111 168 / 0.1); }
.bg-brand-blue\/20 { background-color: rgb(27 111 168 / 0.2); }
.bg-brand-ink { background-color: var(--brand-ink); }
.bg-slate-50 { background-color: #f8fafc; }
.bg-white\/5 { background-color: rgb(255 255 255 / 0.05); }
.bg-white\/10 { background-color: rgb(255 255 255 / 0.1); }
.border-white\/10 { border-color: rgb(255 255 255 / 0.1); }
.bg-green-50 { background-color: #f0fdf4; }

.bg-gradient-to-br { background-image: linear-gradient(to bottom right, var(--tw-gradient-stops, #f8fafc, #fff)); }
.from-slate-50 { --tw-gradient-stops: #f8fafc, var(--tw-gradient-to, #fff); }
.to-white { --tw-gradient-to: #fff; }

/* ---- Borders ---- */
.border { border-width: 1px; border-style: solid; }
.border-t { border-top-width: 1px; border-top-style: solid; }
.border-b { border-bottom-width: 1px; border-bottom-style: solid; }
.border-y { border-top-width: 1px; border-bottom-width: 1px; border-top-style: solid; border-bottom-style: solid; }
.border-slate-100 { border-color: #f1f5f9; }
.border-slate-200 { border-color: #e2e8f0; }
.border-slate-300 { border-color: #cbd5e1; }
.border-slate-800 { border-color: #1e293b; }
.border-green-200 { border-color: #bbf7d0; }

.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

/* ---- Shadows & effects ---- */
.shadow-sm { box-shadow: 0 1px 2px rgb(0 0 0 / 0.05); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25); }
.drop-shadow-2xl { filter: drop-shadow(0 25px 25px rgb(0 0 0 / 0.15)); }
.blur-3xl { filter: blur(64px); }
.backdrop-blur-sm { backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.opacity-\[0\.04\] { opacity: 0.04; }
.opacity-\[0\.08\] { opacity: 0.08; }

/* ---- Misc ---- */
.cursor-pointer { cursor: pointer; }
.select-none { user-select: none; }
.list-none { list-style: none; }
.transition { transition: color 200ms, background-color 200ms, border-color 200ms, opacity 200ms, transform 200ms, box-shadow 200ms; }
.transition-transform { transition: transform 200ms; }

/* ---- Hover states ---- */
.hover\:bg-slate-50:hover { background-color: #f8fafc; }
.hover\:bg-brand-blue-dark:hover { background-color: var(--brand-blue-dark); }
.hover\:text-white:hover { color: #fff; }
.hover\:text-brand-blue:hover { color: var(--brand-blue); }
.hover\:border-brand-blue:hover { border-color: var(--brand-blue); }
.hover\:shadow-lg:hover { box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1); }
.hover\:underline:hover { text-decoration: underline; }

/* ---- Focus states ---- */
.focus\:outline-none:focus { outline: 2px solid transparent; outline-offset: 2px; }
.focus\:border-brand-blue:focus { border-color: var(--brand-blue); }
.focus\:ring-2:focus { box-shadow: 0 0 0 2px var(--ring-color, rgb(27 111 168 / 0.2)); }
.focus\:ring-brand-blue\/20:focus { --ring-color: rgb(27 111 168 / 0.2); }

/* ---- Group hover/open ---- */
details[open] > summary .group-open\:rotate-180 { transform: rotate(180deg); }

/* ---- Responsive (sm: ≥ 640px) ---- */
@media (min-width: 640px) {
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---- Responsive (md: ≥ 768px) ---- */
@media (min-width: 768px) {
    .md\:block { display: block; }
    .md\:flex { display: flex; }
    .md\:hidden { display: none; }
    .md\:flex-row { flex-direction: row; }
    .md\:w-auto { width: auto; }
    .md\:p-10 { padding: 2.5rem; }
    .md\:py-20 { padding-top: 5rem; padding-bottom: 5rem; }
    .md\:py-28 { padding-top: 7rem; padding-bottom: 7rem; }
    .md\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
    .md\:text-5xl { font-size: 3rem; line-height: 1; }
    .md\:text-6xl { font-size: 3.75rem; line-height: 1; }
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .md\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
    .md\:col-span-1 { grid-column: span 1 / span 1; }
    .md\:col-span-2 { grid-column: span 2 / span 2; }
    .md\:col-span-5 { grid-column: span 5 / span 5; }
    .md\:col-span-7 { grid-column: span 7 / span 7; }
}