/* ================================================
   UMMIDI DESIGN SYSTEM — CSS
   Versión: 1.0  |  Base unit: 8px
   ================================================ */

/* Inter — Google Font*/
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');

/* ── 1. CUSTOM PROPERTIES ── */
:root {
  --ummidi-black: #000000;
  --ummidi-white: #ffffff;
  --hover-gray: #e2e2e2;
  --hover-light: #f3f3f3;
  --chip-gray: #efefef;
  --body-gray: #4b4b4b;
  --muted-gray: #afafaf;

  --shadow-card: rgba(0, 0, 0, 0.12) 0px 4px 16px 0px;
  --shadow-float: rgba(0, 0, 0, 0.16) 0px 2px 8px 0px;
  --shadow-pressed: rgba(0, 0, 0, 0.08);

  --radius-input: 8px;
  --radius-card: 8px;
  --radius-card-lg: 12px;
  --radius-pill: 999px;
  --radius-circle: 50%;

  --font-headline: 'Inter', system-ui, 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', system-ui, 'Helvetica Neue', Arial, sans-serif;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;

  --container-max: 1136px;
}

/* ── 2. RESET ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

span, svg {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--ummidi-black);
  background: var(--ummidi-white);
}

img,
video {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

/* ── 3. TIPOGRAFÍA ── */
.u-display {
  font-family: var(--font-headline);
  font-size: 3.25rem;
  font-weight: 700;
  line-height: 1.23;
}

.u-heading-1 {
  font-family: var(--font-headline);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.22;
}

.u-heading-2 {
  font-family: var(--font-headline);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.25;
}

.u-heading-3 {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.33;
}

.u-heading-4 {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.40;
}

.u-nav-text {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.33;
}

.u-body {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.50;
}

.u-body-medium {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.25;
}

.u-caption {
  font-family: var(--font-body);
  font-size: .875rem;
  font-weight: 400;
  line-height: 1.43;
}

.u-caption-medium {
  font-family: var(--font-body);
  font-size: .875rem;
  font-weight: 500;
  line-height: 1.14;
}

.u-micro {
  font-family: var(--font-body);
  font-size: .75rem;
  font-weight: 400;
  line-height: 1.67;
}

.u-text-primary {
  color: var(--ummidi-black);
}

.u-text-secondary {
  color: var(--body-gray);
}

.u-text-muted {
  color: var(--muted-gray);
}

.u-text-inverse {
  color: var(--ummidi-white);
}

/* ── 4. BOTONES ── */
.u-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  transition: background .15s ease, box-shadow .15s ease;
  outline: none;
  white-space: nowrap;
  min-height: 44px;
  min-width: 44px;
}

.u-btn-primary {
  background: var(--ummidi-black);
  color: var(--ummidi-white);
  padding: 14px 28px;
}

.u-btn-primary:hover {
  background: #222;
}

.u-btn-primary:focus-visible {
  box-shadow: inset rgb(255, 255, 255) 0px 0px 0px 2px;
}

.u-btn-primary:active {
  background: #111;
}

.u-btn-secondary {
  background: var(--ummidi-white);
  color: var(--ummidi-black);
  padding: 14px 28px;
  border: 1px solid var(--ummidi-black);
  border-radius: 999px;
  font-size: 16px;
  font-weight: 500;
}

.u-btn-secondary:hover,
.u-btn-secondary:focus-visible {
  background: var(--hover-gray);
}

.u-btn-secondary:active {
  box-shadow: inset var(--shadow-pressed) 0px 0px 0px 999px;
}

.u-btn-white {
  background: var(--ummidi-white);
  color: var(--ummidi-black);
  padding: 14px 28px;
}

.u-btn-nav {
  background: transparent;
  font-size: 0.875rem;
  padding: 10px 16px;
}

.u-btn-nav:hover {
  background: var(--hover-gray);
}

.u-btn-nav-alt {
  background-color: var(--ummidi-black);
  color: var(--ummidi-white);
  font-size: 0.875rem;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
}

.u-btn-nav-alt:hover {
  background: #222;
}

.u-btn-chip {
  background: var(--chip-gray);
  color: var(--ummidi-black);
  padding: 14px 16px;
  font-size: .875rem;
  font-weight: 500;
}

.u-btn-chip:active,
.u-btn-chip.active {
  box-shadow: inset rgba(0, 0, 0, .08) 0px 0px 0px 999px;
}

.u-btn-chip.selected {
  background: var(--ummidi-black);
  color: var(--ummidi-white);
}

.u-btn-fab {
  background: var(--ummidi-white);
  color: var(--ummidi-black);
  padding: 14px;
  box-shadow: var(--shadow-float);
  transform: translateY(2px);
  transition: background .15s, box-shadow .15s, transform .15s;
}

.u-btn-fab:hover {
  background: var(--hover-light);
}

/* ── 5. CARDS ── */
.u-card {
  background: var(--ummidi-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.u-card-featured {
  background: var(--ummidi-white);
  border-radius: var(--radius-card-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.u-card-body {
  padding: var(--space-6);
}

.u-card-btn {
  background: var(--ummidi-black);
  color: var(--ummidi-white);
  padding: 10px 20px;
  border: none;
  font-size: 14px;
  display: inline-block;
}

/* ── 6. INPUTS ── */
.u-input {
  width: 100%;
  background: var(--ummidi-white);
  color: var(--ummidi-black);
  border: 1px solid var(--ummidi-black);
  border-radius: var(--radius-input);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  outline: none;
  transition: box-shadow .15s;
}

.u-input::placeholder {
  color: var(--muted-gray);
}

.u-input:focus {
  box-shadow: 0 0 0 2px rgba(0, 0, 0, .2);
}

/* ── 7. LAYOUT ── */
.u-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.u-section {
  padding: var(--space-16) 0;
}

.u-section-lg {
  padding: var(--space-24) 0;
}

.u-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.u-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.u-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
  min-height: 500px;
}

.u-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ummidi-white);
  display: flex;
  align-items: center;
  padding: 0;
  height: 64px;
}

.u-chip-nav {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  scrollbar-width: none;
}

.u-chip-nav::-webkit-scrollbar {
  display: none;
}

/* ── 8. FOOTER ── */
.u-footer {
  background: var(--ummidi-black);
  color: var(--ummidi-white);
  padding: var(--space-16) 0;
}

.u-footer-link {
  color: var(--muted-gray);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: .875rem;
  transition: color .15s;
}

.u-footer-link:hover {
  color: var(--ummidi-white);
}

/* ── 9. UTILIDADES ── */
.u-shadow-0 {
  box-shadow: none;
}

.u-shadow-1 {
  box-shadow: var(--shadow-card);
}

.u-shadow-2 {
  box-shadow: rgba(0, 0, 0, .16) 0px 4px 16px 0px;
}

.u-shadow-3 {
  box-shadow: var(--shadow-float);
}

.u-surface-dark {
  background: var(--ummidi-black);
  color: var(--ummidi-white);
}

.u-surface-light {
  background: var(--ummidi-white);
  color: var(--ummidi-black);
}

.u-divider {
  border: none;
  border-top: 1px solid var(--chip-gray);
  margin: var(--space-4) 0;
}

/* ── 10. RESPONSIVE ── */
@media (max-width:1119px) {
  .u-hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width:768px) {

  .u-grid-2,
  .u-grid-3 {
    grid-template-columns: 1fr;
  }

  .u-display {
    font-size: 2.75rem;
  }

  .u-heading-1 {
    font-size: 2rem;
  }

  .u-section {
    padding: var(--space-8) 0;
  }
}

@media (max-width:600px) {
  .u-display {
    font-size: 2.25rem;
  }

  .u-heading-1 {
    font-size: 1.75rem;
  }

  .u-heading-2 {
    font-size: 1.25rem;
  }
}