/* =========================================================
   DESIGN TOKENS
========================================================= */
:root {
  --bg-main: #ffffff;
  --bg-soft: #f8fafc;

  --text-primary: #0f172a;
  --text-secondary: #475569;

  --border-light: #e2e8f0;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
}

/* =========================================================
   RESET & BASE
========================================================= */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  background: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.65;
}

img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

/* =========================================================
   SKIP LINK (ACCESSIBILITY)
========================================================= */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: #ffffff;
  color: var(--text-primary);
  padding: 8px 12px;
  z-index: 1000;
}

.skip-link:focus-visible {
  left: 16px;
  top: 16px;
}

/* =========================================================
   LINKS (TEXT ONLY)
========================================================= */
a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

a:not(.btn):hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* =========================================================
   LAYOUT
========================================================= */
.container {
  max-width: 1100px;
  margin: auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section.soft {
  background: var(--bg-soft);
}

/* =========================================================
   SECTION HEADERS (MICRO MOTION)
========================================================= */
.section-header {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: 36px;
  margin-bottom: 12px;
  position: relative;
  transition: transform 160ms ease;
}

.section-header h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 36px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  opacity: 0.25;
  transition: width 160ms ease, opacity 160ms ease;
}

.section:hover .section-header h2,
.section:focus-within .section-header h2 {
  transform: translateY(-1px);
}

.section:hover .section-header h2::after,
.section:focus-within .section-header h2::after {
  width: 56px;
  opacity: 0.45;
}

.section-header p {
  font-size: 17px;
  color: var(--text-secondary);
}

/* =========================================================
   NAVBAR
========================================================= */
.navbar {
  position: sticky;
  top: 0;
  background: #ffffff;
  border-bottom: 1px solid var(--border-light);
  z-index: 100;
}

.nav-inner {
  max-width: 1100px;
  margin: auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 700;
  font-size: 18px;
}

.nav-inner a {
  margin-left: 20px;
  color: var(--text-secondary);
  position: relative;
}

.nav-inner a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 160ms ease;
}

.nav-inner a:hover,
.nav-inner a:focus-visible {
  color: var(--text-primary);
}

.nav-inner a:hover::after,
.nav-inner a:focus-visible::after {
  width: 100%;
}

/* =========================================================
   HERO
========================================================= */
.hero {
  padding: 120px 0;
}

.hero h1 {
  font-size: 48px;
  max-width: 720px;
}

.hero p {
  max-width: 720px;
  font-size: 18px;
  margin-top: 16px;
  color: var(--text-secondary);
}

/* =========================================================
   BUTTONS
========================================================= */
.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 15px;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

/* PRIMARY */
.btn-primary {
  background: var(--accent);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.08);
}

/* SECONDARY */
.btn-secondary {
  background: #ffffff;
  border: 1px solid var(--border-light);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.06);
}

/* =========================================================
   GRID & CARDS
========================================================= */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 28px;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

/* =========================================================
   ACCESSIBILITY FOCUS
========================================================= */
:focus {
  outline: none;
}

:focus-visible {
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.28);
  border-radius: 6px;
}

/* =========================================================
   FOOTER
========================================================= */
footer {
  border-top: 1px solid var(--border-light);
  padding: 32px 24px;
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
}

/* =========================================================
   REDUCED MOTION
========================================================= */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}

/* =========================================================
   RESPONSIVE
========================================================= */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 36px;
  }

  .section {
    padding: 72px 0;
  }
}
/* =========================================================
   BADGE SECTION – PROFESSIONAL POLISH
========================================================= */

/* Badge container */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* Individual badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  border-radius: 999px;

  background: #f8fafc;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);

  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

/* Hover (subtle emphasis, not button-like) */
.badge:hover {
  background: #eef2ff;
  border-color: #c7d2fe;
  color: var(--text-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.06);
}

/* Clickable badges (like Live Platform) */
.badge[href] {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
}

/* Hover for clickable badge */
.badge[href]:hover {
  background: #e0e7ff;
  border-color: #a5b4fc;
  color: var(--accent-hover);
}

/* Focus-visible for keyboard users */
.badge:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}
/* AI-friendly hidden content (accessible, non-visual) */
.visually-hidden {
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}