/* =========================================================================
   base.css — reset, variables de diseño, tipografía global
   ========================================================================= */

@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&family=Roboto+Condensed:wght@300;400;700&display=swap");

:root {
  --brand: #02bdd5;
  --brand-600: #00b0c7;
  --brand-700: #00a6bb;
  --brand-800: #00a4ba;

  --ink-900: #333;
  --ink-700: #444;
  --ink-500: #666;
  --ink-400: #727272;
  --ink-300: #777;

  --bg: #fff;
  --bg-soft: #fcfcfc;
  --bg-muted: #f7f7f7;
  --border: #dedede;
  --dark-cta: #414141;

  --success-bg: #6cb670;
  --error-bg: #ffbaba;
  --error-ink: #d8000c;

  --font-body: "Roboto", system-ui, -apple-system, Segoe UI, sans-serif;
  --font-head: "Roboto Condensed", "Roboto", sans-serif;

  --container-max: 1140px;
  --header-h: 80px;

  --shadow-sm: 0 0 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--ink-900);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  padding-top: var(--header-h);
}

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

a {
  color: var(--brand);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--brand-700);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-head);
  color: var(--ink-900);
  margin: 0 0 0.6em;
  line-height: 1.2;
}

h1 {
  font-size: 2.25rem;
  font-weight: 700;
}

h2 {
  font-size: 1.625rem;
  font-weight: 700;
}

h3 {
  font-size: 1.375rem;
  font-weight: 600;
}

h4 {
  font-size: 1.125rem;
  font-weight: 600;
}

p {
  margin: 0 0 1em;
  color: var(--ink-400);
}

ul {
  padding-left: 0;
  margin: 0;
}

ul li {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1rem;
}

@media (min-width: 768px) {
  .container {
    padding-inline: 1.5rem;
  }
}

.section {
  padding: 5rem 0;
}

.section-heading {
  text-align: center;
  margin-bottom: 3rem;
}

.section-heading .title {
  font-size: 1.875rem;
  font-weight: 300;
  color: var(--ink-900);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-heading p {
  font-size: 0.875rem;
  color: var(--ink-400);
  max-width: 640px;
  margin-inline: auto;
}

.subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.subtitle-des {
  color: var(--ink-400);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

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