/* styles.css (Utility classes inspired by Tailwind CSS [tailwindcss.com]) */

/*===========================================/
==              Base Resets                ==
/===========================================*/

*, ::before, ::after {
    box-sizing: border-box;
    border-width: 0;
    border-style: solid;
    border-color: #e5e7eb;
}
html {
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
}
body {
    margin: 0;
    line-height: inherit;
}
h1, h2, h3, h4, h5, h6, p, ul {
    margin: 0;
    padding: 0;
}
ul {
    list-style: none;
}
button {
    cursor: pointer;
    background-color: transparent;
    background-image: none;
    padding: 0;
    border: none;
    color: inherit;
    font-family: inherit;
    font-size: 100%;
    line-height: inherit;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    scroll-behavior: smooth;
}
.bg-hero {
    background-image: linear-gradient(rgba(0, 50, 100, 0.6), rgba(0, 50, 100, 0.4)), url('https://images.unsplash.com/photo-1544644181-1484b3fdfc62?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
}
.tab-content {
    display: none;
    animation: fadeIn 0.4s ease-in-out;
}
.tab-content.active {
    display: block;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.nav-link.active {
    border-bottom: 3px solid #38bdf8;
    color: #38bdf8;
}

/*===========================================/
== Specific Layout & Display Configuration ==
/===========================================*/

/* Layout & Display */
.block { display: block; }
.hidden { display: none; }
.flex { display: flex; }
.grid { display: grid; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1 1 0%; }

/* Positioning */
.sticky { position: sticky; }
.top-0 { top: 0px; }
.z-50 { z-index: 50; }

/* Alignment */
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.text-center { text-align: center; }
.text-left { text-align: left; }

/* Grid */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }

/* Spacing (Margin) */
.mx-auto { margin-left: auto; margin-right: auto; }
.mr { margin-right: 0.5rem; }
.mr-1 { margin-right: 0.75rem; }
.mr-2 { margin-right: 1rem; }
.ml { margin-left: 2rem; }
.mt { margin-top: 1rem; }
.mt-1 { margin-top: 3rem; }
.mb { margin-bottom: 0.5rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 1.5rem; }
.mb-3 { margin-bottom: 2rem; }
.mb-4 { margin-bottom: 2.5rem; }
.mb-5 { margin-bottom: 3rem; }
.space-x > * + * { margin-left: 2rem; }
.space-y > * + * { margin-top: 0.75rem; }
.space-y-1 > * + * { margin-top: 1rem; }
.space-y-2 > * + * { margin-top: 1.5rem; }
.gap { gap: 1rem; }
.gap-1 { gap: 1.5rem; }
.gap-2 { gap: 2rem; }
.gap-3 { gap: 3rem; }

/* Spacing (Padding) */
.p { padding: 0.5rem; }
.p-1 { padding: 0.75rem; }
.p-2 { padding: 1.5rem; }
.p-3 { padding: 2rem; }
.px { padding-left: 1rem; padding-right: 1rem; }
.px-1 { padding-left: 2rem; padding-right: 2rem; }
.py { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-1 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-2 { padding-top: 2rem; padding-bottom: 2rem; }
.py-3 { padding-top: 3rem; padding-bottom: 3rem; }
.py-4 { padding-top: 4rem; padding-bottom: 4rem; }
.pb { padding-bottom: 0.5rem; }
.pb-1 { padding-bottom: 1rem; }

/* Sizing */
.w { width: 2rem; }
.w-full { width: 100%; }
.h { height: 0.25rem; }
.h-1 { height: 5rem; }
.h-2 { height: 12rem; }
.h-60vh { height: 60vh; }
.max-w { max-width: 36rem; }
.max-w-1 { max-width: 42rem; }
.max-w-2 { max-width: 56rem; }
.max-w-3 { max-width: 80rem; }
.min-h { min-height: 100vh; }

/* Fonts and Links */
.text-s { font-size: 0.875rem; line-height: 1.25rem; }
.text-m { font-size: 1.125rem; line-height: 1.75rem; }
.text-l { font-size: 1.25rem; line-height: 1.75rem; }
.text-xl { font-size: 1.5rem; line-height: 2rem; }
.text-2xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-3xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-4xl { font-size: 3rem; line-height: 1; }
.text-5xl { font-size: 3.75rem; line-height: 1; }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.title-link  { text-decoration: none; color: inherit; }

.tracking-wide { letter-spacing: 0.025em; }

/*===========================================/
==                 Colors                   ==
/===========================================*/

/* Text */
.text-white { color: #ffffff; }
.text-slate { color: #e2e8f0; }
.text-slate-1 { color: #cbd5e1; }
.text-slate-2 { color: #94a3b8; }
.text-slate-3 { color: #475569; }
.text-slate-4 { color: #334155; }
.text-slate-5 { color: #1e293b; }
.text-sky { color: #38bdf8; }
.text-sky-1 { color: #0ea5e9; }
.text-emerald { color: #10b981; }
.text-emerald-1 { color: #059669; }
.text-amber { color: #f59e0b; }
.text-amber-1 { color: #d97706; }
.text-orange { color: #fb923c; }
.text-blue { color: #2563eb; }
.text-rose { color: #f43f5e; }
.text-teal { color: #14b8a6; }
.hover-text-white:hover { color: #ffffff; }
.hover-text-sky:hover { color: #38bdf8; }

/* Background */
.bg-white { background-color: #ffffff; }
.bg-slate { background-color: #f8fafc; }
.bg-slate-1 { background-color: #e2e8f0; }
.bg-slate-2 { background-color: #1e293b; }
.bg-slate-3 { background-color: #0f172a; }
.bg-sky { background-color: #f0f9ff; }
.bg-sky-1 { background-color: #0ea5e9; }
.bg-amber { background-color: #fef3c7; }
.bg-blue { background-color: #dbeafe; }
.bg-emerald { background-color: #d1fae5; }
.hover-bg-sky-2:hover { background-color: #0284c7; }

/* Borders */
.border-slate { border-color: #f1f5f9; }
.border-slate-1 { border-color: #e2e8f0; }
.border-slate-2 { border-color: #334155; }
.border-sky { border-color: #e0f2fe; }
.border-sky-1 { border-color: #0ea5e9; }
.border-amber { border-color: #f59e0b; }
.border-emerald { border-color: #10b981; }
.border-rose { border-color: #f43f5e; }

/*===========================================/
==   Detailed Border & Additional Effects   ==
/===========================================*/

.border { border-width: 1px; }
.border-b { border-bottom-width: 1px; }
.border-t { border-top-width: 4px; }

.rounded { border-radius: 0.25rem; }
.rounded-s { border-radius: 0.75rem; }
.rounded-m { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

/* Shadows & Effects */
.shadow { box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1); }
.shadow-s { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.shadow-l { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1); }
.shadow-inner { box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05); }
.drop-shadow-m { filter: drop-shadow(0 4px 3px rgba(0, 0, 0, 0.07)) drop-shadow(0 2px 2px rgba(0, 0, 0, 0.06)); }
.drop-shadow-l { filter: drop-shadow(0 10px 8px rgba(0, 0, 0, 0.04)) drop-shadow(0 4px 3px rgba(0, 0, 0, 0.1)); }
.overflow-hidden { overflow: hidden; }
.hover-shadow-m:hover { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1); }
.hover-shadow-l:hover { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1); }

/* Backgrounds utilities */
.bg-cover { background-size: cover; }
.bg-center { background-position: center; }

/* Transitions & Transforms */
.transition { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.hover-translate-y-1:hover { transform: translateY(-0.25rem); }
.focus-outline-none:focus { outline: 2px solid transparent; outline-offset: 2px; }

/*===========================================/
==           Responsive Media              ==
/===========================================*/

/* Small Screens */
@media (min-width: 640px) {
    .s-px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
    .s-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Medium Screens */
@media (min-width: 768px) {
    .m-hidden { display: none; }
    .m-flex { display: flex; }
    .m-flex-col { flex-direction: column; }
    .m-flex-row { flex-direction: row; }
    .m-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .m-grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .m-text-xl { font-size: 1.5rem; line-height: 2rem; }
    .m-text-7xl { font-size: 4.5rem; line-height: 1; }
    .m-mb-0 { margin-bottom: 0; }
}

/* Large Screens */
@media (min-width: 1024px) {
    .l-px-1 { padding-left: 2rem; padding-right: 2rem; }
    .l-grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .l-grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}