@import url("https://fonts.googleapis.com/css2?family=DM+Serif+Display&family=Source+Sans+Pro:wght@400;600&display=swap");

:root,
html.light {
  /* Paleta Azul Suave – Tema Claro */
  --bg-primary: #f4f7fa;
  --bg-secondary: #e5ebf081;
  --text-primary: #2d3e50;
  --text-secondary: #5a6e80;
  --accent: #477e9e;
  --border-color: #c3c9d1;
  --button-bg: #4d7f9c;
  --button-hover: #4a7590;
  --hover-bg: #e1e8ef;

  /* Tipografia */
  --font-primary: "DM Serif Display", serif;
  --font-secondary: "Source Sans Pro", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Paleta Azul Suave – Tema Escuro */
    --bg-primary: #202b36;
    --bg-secondary: #2b3a4670;
    --text-primary: #dce4eb;
    --text-secondary: #9aaabc;
    --accent: #6b9ecf;
    --border-color: #33414e;
    --button-bg: #6b9ecf;
    --button-hover: #5a8cb8;
    --hover-bg: #293742;
  }
}
html.dark {
  --bg-primary: #202b36;
  --bg-secondary: #2b3a4670;
  --text-primary: #dce4eb;
  --text-secondary: #9aaabc;
  --accent: #6b9ecf;
  --border-color: #33414e;
  --button-bg: #6b9ecf;
  --button-hover: #5a8cb8;
  --hover-bg: #293742;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: background-color 0.3s, color 0.3s;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-secondary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

.container {
  max-width: 840px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar__brand {
  font-family: var(--font-primary);
  font-size: 1.5rem;
}

.navbar__links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.navbar__item a {
  text-decoration: none;
  color: var(--accent);
  font-weight: 600;
  transition: all 200ms;
}

.navbar__item a:hover {
  color: var(--button-hover);
}

.navbar__button-theme {
  width: 35px;
  height: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  font-size: 1.4rem;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  padding: 0.3rem;
  border-radius: 50%;
  transition: all 200ms;
}

.navbar__button-theme:hover {
  background-color: var(--button-bg);
  color: var(--bg-primary);
}

/* Header */
.header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header__profile img {
  width: 8rem;
  height: 8rem;
  border-radius: 50%;
  box-shadow: #202b36 0px 50px 100px -30px, #33414e 0px 30px 60px -30px;
}

.header__title {
  font-family: var(--font-primary);
  font-size: 2rem;
  line-height: 2.2rem;
  margin: 0.3rem 0;
}

.header__content {
  position: relative;
  padding-top: 1.3rem;
}

.header__subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  animation: fadeLoop 9s infinite ease-in-out;
}

/* Frase 1, 2 e 3 */
.header__subtitle:nth-child(1) {
  animation-delay: 0s;
}
.header__subtitle:nth-child(2) {
  animation-delay: 3s;
}
.header__subtitle:nth-child(3) {
  animation-delay: 6s;
}
@keyframes fadeLoop {
  0% {
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  30% {
    opacity: 1;
  }
  40% {
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}

.header__description {
  color: var(--text-secondary);
}

/* Sections */
section {
  padding-top: 2rem;
}

section + section {
  border-top: 1px solid var(--border-color);
}

/* Titles with icon */
.about__header,
.skills__header,
.projects__header,
.contact__header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.about__icon,
.skills__icon,
.projects__icon,
.contact__icon {
  font-size: 1.4rem;
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 0.3rem;
  border-radius: 6px;
}

h2 {
  font-family: var(--font-primary);
  font-size: 1.5rem;
}

/* About */
.about__text {
  margin-top: 0.5rem;
}

/* Skills */
.skills__list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.skill {
  display: flex;
  align-items: center;
  background-color: var(--bg-secondary);
  border-radius: 6px;
}

.skill__icon {
  background-color: var(--button-bg);
  color: var(--bg-primary);
  padding: 0.4rem;
  border-radius: 6px 0 0 6px;
}

.skill__label {
  padding: 0 0.8rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--button-bg);
}

/* Projects */
.projects__cards {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 1rem 0;
}

.project-card {
  flex: 0 0 200px;
  background-color: var(--bg-secondary);
  border-radius: 8px;
  overflow: hidden;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
}

.project-card__image {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.project-card__body {
  padding: 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-card__title {
  font-family: var(--font-primary);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.project-card__description {
  line-height: 1.4;
}

.project-card__links {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.project-card__link {
  text-decoration: none;
  color: var(--accent);
  font-weight: 600;
}

.project-card__link:hover {
  color: var(--button-hover);
}

/* Contact */
.contact__content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 0.5rem;
}

.contact__socials {
  width: fit-content;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.contact__social-link {
  background-color: var(--bg-secondary);
  padding: 0.6rem;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--button-bg);
  text-decoration: none;
}

.contact__social-link:hover {
  background-color: var(--button-bg);
  color: var(--bg-primary);
}

.contact__cv-link {
  text-decoration: none;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  border-radius: 6px;
  padding-right: 0.8rem;
  background-color: var(--bg-secondary);
  color: var(--button-bg);
}

.contact__cv-link:hover {
  background-color: var(--button-bg);
  color: var(--bg-secondary);
}

.contact__cv-icon {
  background-color: var(--button-bg);
  color: var(--bg-primary);
  font-size: 1.4rem;
  padding: 0.6rem;
  border-radius: 6px;
}

.contact__form {
  flex: 1;
  background-color: var(--bg-secondary);
  padding: 1rem;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-group__label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.form-group__input,
.form-group__textarea {
  padding: 0.6rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  resize: vertical;
}

.button {
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
}

.button--primary {
  background-color: var(--button-bg);
  color: var(--bg-primary);
}

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

.footer {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 1rem 0;
}

/* Scrollbar Customization (WebKit) */
::-webkit-scrollbar {
  width: 10px;
  height: 12px;
}
::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: 8px;
}
::-webkit-scrollbar-thumb {
  background-color: var(--button-bg);
  border-radius: 8px;
  border: 2px solid var(--bg-secondary);
}
::-webkit-scrollbar-thumb:hover {
  background-color: var(--button-hover);
}

/* Selection Customization */
::selection {
  background-color: var(--accent);
  color: var(--bg-primary);
}