/* PRT Appliance — Base Styles */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

ul[role='list'], ol[role='list'] { list-style: none; }

input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  line-height: 1.2;
  color: var(--color-heading);
  font-family: var(--font-display);
  font-weight: 700;
}

p, li, figcaption { text-wrap: pretty; max-width: 72ch; }

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-hover); }

button { cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }

::selection { background: rgba(75,160,232,0.2); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border-width: 0;
}

/* ── Layout Utilities ─────────────────────────── */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-12));
}

.container--narrow { max-width: var(--content-default); }

.section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-24));
}

.section--sm { padding-block: clamp(var(--space-8), 4vw, var(--space-16)); }

/* ── Typography ───────────────────────────────── */
.text-hero { font-size: var(--text-hero); }
.text-2xl  { font-size: var(--text-2xl); }
.text-xl   { font-size: var(--text-xl); }
.text-lg   { font-size: var(--text-lg); }
.text-base { font-size: var(--text-base); }
.text-sm   { font-size: var(--text-sm); }
.text-xs   { font-size: var(--text-xs); }

.text-primary   { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-heading   { color: var(--color-heading); }
.text-muted     { color: var(--color-text-muted); }
.text-white     { color: #fff; }
.text-center    { text-align: center; }

.font-bold   { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium  { font-weight: 500; }
.font-800 { font-weight: 800; }

/* ── Buttons ──────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 700;
  font-family: var(--font-body);
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(75,160,232,0.35);
}

.btn-secondary {
  background: var(--color-secondary);
  color: #fff;
  border-color: var(--color-secondary);
}
.btn-secondary:hover {
  background: var(--color-secondary-hover);
  border-color: var(--color-secondary-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(111,191,82,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-1px);
}

.btn-white {
  background: #fff;
  color: var(--color-primary-dark);
  border-color: #fff;
}
.btn-white:hover {
  background: #f0f8ff;
  color: var(--color-primary-dark);
  transform: translateY(-1px);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-xl);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

/* ── Cards ────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ── Badge ────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.03em;
}
.badge-blue { background: rgba(75,160,232,0.12); color: var(--color-primary); }
.badge-green { background: rgba(111,191,82,0.12); color: var(--color-secondary); }
.badge-red { background: rgba(188,12,9,0.1); color: var(--color-accent-red); }

/* ── Grid helpers ─────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--space-6); }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-gap { display: flex; align-items: center; gap: var(--space-4); }
.flex-wrap { flex-wrap: wrap; }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ── Gradient Band ────────────────────────────── */
.gradient-band {
  background: linear-gradient(90deg, var(--color-teal) 0%, var(--color-teal-blue) 100%);
  height: 4px;
  width: 100%;
}

/* ── Section Labels ───────────────────────────── */
.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-heading);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.65;
}

/* ── Divider ──────────────────────────────────── */
.divider { height: 1px; background: var(--color-divider); width: 100%; }

/* ── Breadcrumb ───────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.breadcrumb a { color: var(--color-primary); }
.breadcrumb-sep { opacity: 0.5; }

/* ── Star Rating ──────────────────────────────── */
.stars { color: #f59e0b; font-size: var(--text-sm); letter-spacing: 0.05em; }

/* ── Scroll Animations ────────────────────────── */
[data-aos] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-aos].aos-in {
  opacity: 1;
  transform: none;
}
[data-aos="fade-right"] { transform: translateX(-20px); }
[data-aos="fade-right"].aos-in { transform: none; }
[data-aos="zoom-in"] { transform: scale(0.95); }
[data-aos="zoom-in"].aos-in { transform: none; }