:root {
  --bg-color: #efeafe;
  --bg-container: #fafafa;
  --primary-color: #5e28f6;
  --primary-hover: #4a1ed1;
  --text-color: #555555;
  --text-heading: #333333;

  --space-3xs: clamp(0.25rem, 0.25rem + 0.1vw, 0.3rem);
  --space-2xs: clamp(0.5rem, 0.45rem + 0.2vw, 0.6rem);
  --space-xs: clamp(0.75rem, 0.7rem + 0.3vw, 0.9rem);
  --space-s: clamp(1rem, 0.9rem + 0.5vw, 1.2rem);
  --space-m: clamp(1.5rem, 1.2rem + 1.5vw, 2.5rem);
  --space-l: clamp(2rem, 1.6rem + 2vw, 3.5rem);
  --space-xl: clamp(3rem, 2.4rem + 3vw, 5rem);
  --space-2xl: clamp(4rem, 3.2rem + 4vw, 7rem);
  --space-3xl: clamp(6rem, 4.8rem + 6vw, 10rem);
  --radius: 8px;

  /* Escala Tipográfica Fluida */
  --font-primary: "Outfit", sans-serif;
  --font-size-sm: clamp(0.875rem, 0.8rem + 0.4vw, 1rem);
  --font-size-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --font-size-md: clamp(1.1rem, 0.95rem + 0.75vw, 1.3rem);
  --font-size-lg: clamp(1.25rem, 1rem + 1.25vw, 1.5rem);
  --font-size-xl: clamp(1.5rem, 1.1rem + 2vw, 2rem);
  --font-size-2xl: clamp(2rem, 1.5rem + 2.5vw, 2.75rem);

  /* === MISC === */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
}

/* Typographic tweaks! */
body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  background-color: var(--bg-color);
  font-family: var(--font-primary);
  font-optical-sizing: auto;
  font-style: normal;
  display: grid;
  place-items: center;
  min-height: 100vh;
  font-size: 1rem;
}

/* Improve media defaults */
img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

/* Remove built-in form typography styles */
input,
button,
textarea,
select {
  font: inherit;
}

section {
  margin-bottom: var(--space-l);
}

/* Avoid text overflows */
p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

header h1 {
  font-size: var(--font-size-xl);
  font-style: normal;
  font-weight: 500;
  line-height: normal;
  width: 100%;
  max-width: 30ch;
}

header {
  margin-bottom: var(--space-l);
}

section h2 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-s);
}

section p {
  font-size: var(--font-size-base);
  line-height: 1.6;
  max-width: 65ch;
}

/* Global List Styling */
ul {
  list-style: none;
  padding: 0;
}

li {
  color: var(--text-color);
  margin-bottom: var(--space-xs);
  line-height: normal;
  display: flex;
  align-items: flex-start;
}

li::before {
  content: "•";
  color: var(--primary-color);
  font-weight: bold;
  display: inline-block;
  width: 1em;
  flex-shrink: 0;
}

p {
  color: var(--text-color);
  margin-bottom: var(--space-xs);
  line-height: normal;
}

.container {
  --container-max: 780px;
  --container-padding: var(--space-m);
  width: min(100% - var(--space-m) * 2, var(--container-max));
  margin-inline: auto;
  padding: var(--container-padding);
  background-color: var(--bg-container);
  border-radius: var(--radius-lg);
}

.contact-links {
  display: grid;
  gap: var(--space-s);
}

.btn-primary {
  text-decoration: none;
  background-color: var(--primary-color);
  color: white;
  font-size: var(--font-size-sm);
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius-xs);
  margin-bottom: var(--space-l);
  transition: background-color 0.3s ease;
  width: fit-content;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
}

.icons {
  display: flex;
  gap: var(--space-s);
}

.icons a {
  width: 1.5rem;
}

.profile-img {
  max-width: 100px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-m);
  display: block;
  aspect-ratio: 1/1;
}
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 40px;
  height: 40px;
  background-color: var(--primary-color);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.back-to-top:hover {
  background-color: var(--primary-hover);
  transform: translateY(-3px);
}

.back-to-top img {
  width: 20px;
  height: 20px;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

/* ================================
   Footer - Autoral Branding
   ================================ */
.page-footer {
  width: 100%;
  padding: var(--space-l) var(--space-m);
  margin-top: var(--space-l);
}

.footer-content {
  max-width: 780px;
  margin-inline: auto;
  display: grid;
  gap: var(--space-m);
  text-align: center;
}

.footer-content a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

.footer-content a:hover {
  text-decoration: underline;
}