/* ============================================================
  0. VARIABLES
  ------------------------------------------------------------
  Colors, sizes, spacing, fonts, etc.
  Using :root to make them accessible everywhere.
============================================================ */

:root {
  /* COLOR ----------- */
  
  --color-grey15: hsl(0deg 0% 15%);
  --color-grey25: hsl(0deg 0% 25%);
  --color-grey33: hsl(0deg 0% 33%);
  --color-grey50: hsl(0deg 0% 50%);
  --color-grey66: hsl(0deg 0% 66%);
  --color-grey75: hsl(0deg 0% 75%);
  --color-grey85: hsl(0deg 0% 85%);
  --color-grey95: hsl(0deg 0% 95%);

  /* base */
  --color-primary: hsl(40deg 20% 94%);
  --color-secondary: var(--color-grey75);
  --color-text: var(--color-grey15);
  --color-text-secondary: var(--color-grey75);
  --color-bg: hsl(40deg 20% 94%);
  --color-bg-secondary: var(--color-grey15);

  --color-interactive-light: hsl(275, 34%, 78%);
  --color-interactive: hsl(275, 29%, 57%);
  --color-interactive-active:  hsl(278, 31%, 43%);
  
  /* button */
  --color-border-button: var(--color-grey33);
  --color-border-button-hover: var(--color-grey50);
  --color-background-button: var(--color-grey95);
  --color-background-button-hover: var(--color-interactive);

  /* button modern */
  --color-button--modern: var(--color-grey33);
  --color-button--modern-hover: var(--color-primary);
  --color-background-button--modern: transparent;
  --color-background-button--modern-hover: var(--color-text);
  --color-border-button-modern: var(--color-grey66);
  --color-border-button-modern-hover: var(--color-text);

  /* button outlined */
  --color-background-button--outlined: transparent;
  --color-background-button--outlined-hover: var(--color-grey85);
  --color-border-button--outlined: var(--color-grey33);

  /* button text */
  --color-button--text: var(--color-grey33);
  --color-background-button--text: transparent;

  /* TYPO ----------- */
  /* base */
  --font-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial,
    sans-serif;
  --font-size-base: 1rem;
  --font-size-h1: 1.75rem;
  --font-size-h2: 1.3rem;
  --font-size-h3: 1.25rem;
  --font-size-p: 1rem;
  --font-size-i: 1.5rem;

  /* Espacements */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;

  /* Border-radius */
  --radius: 8px;
  --radius-rond:9999px;
}

/* ============================================================
  1. BASE
  ------------------------------------------------------------
  These are "reset" styles, fonts, global colors,
  links, etc. (no BEM here)
============================================================ */
html {
  scroll-behavior: smooth;
}

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

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

h1 {
  font-size: var(--font-size-h1);
  line-height: 1.2;
  font-weight: 400;
}

h2 {
  font-size: var(--font-size-h2);
  line-height: 1.3;
  font-weight: 400;
}

h3 {
  font-size: var(--font-size-h3);
  line-height: 1.4;
  font-weight: 700;
}

p,
label {
  font-size: var(--font-size-p);
  line-height: 1.5;
}

a {
  text-decoration: none;
  color: inherit;
  border-bottom: solid 2px transparent;
  transition: border-color 0.3s ease-out;
}

a:hover {
  border-bottom: solid 2px var(--color-interactive);
}

.social-media__list a:hover {
  border-bottom: solid 2px transparent;
}

form * {
  font-family: var(--font-base);
  line-height: 1.5;
}

input,
textarea {
  border: 1px solid var(--color-secondary);
  border-radius: var(--radius);
  font-family: inherit;
  color: var(--color-secondary);
}

i {
  font-size: var(--font-size-i);
  color: var(--color-secondary);
  transition: 
    color 0.3s ease-out,
    transform 0.3s ease-out;
}

i.fa-brands:hover,
.gallery__info i.fa-solid:hover {
  color: var(--color-interactive);
  transform: translateY(-1px);
}

.leave-message i.fa-up-right-from-square {
  display: inline;
  color: var(--color-text);
  font-size: 0.5rem;
  margin: 0.3rem;
  vertical-align: text-top;
}

/* Small devices (≥321px) */
@media (min-width: 321px) {
  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.75rem;
  }
  h3 {
    font-size: 1.375rem;
  }
}

/* Tablets (≥768px) */
@media (min-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 2rem;
  }
  h3 {
    font-size: 1.5rem;
    font-weight: 500;
  }
  p,
  label {
    font-size: 1.125rem;
  }
}

/* Desktop (≥1024px) */
@media (min-width: 1024px) {
  h1 {
    font-size: 3rem;
  }
  h2 {
    font-size: 2.25rem;
  }
  h3 {
    font-size: 1.75rem;
  }
}

/* Large desktop (≥1440px) */
@media (min-width: 1440px) {
  h1 {
    font-size: 3.5rem;
  }
  h2 {
    font-size: 2.5rem;
  }
  h3 {
    font-size: 1.875rem;
  }
}

/* ============================================================
  2. LAYOUT
  ------------------------------------------------------------
  Page structure: header, footer, main, sidebar...
  Convention: prefix `.l-` (l = layout)
  No BEM here — these are structural containers
============================================================ */

.l-main-container {
  display: grid;
  grid-template-areas:
    "header"
    "banner"
    "about"
    "projects"
    "contact"
    "footer";
  position: relative;
  column-gap: 1rem;
  row-gap: 8rem;
}

.l-footer-background,
.l-vertical-nav,
.l-social-media-banner {
  display: none;
}

/* MAIN HEADER --------- */
.l-header {
  grid-area: header;
}

/* SECTION FLOW -------- */
.l-main-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
  margin: 0 1rem;
}

.l-banner {
  grid-area: banner;
}

/* about-me */
.l-about-me {
  grid-area: about;
}

.l-projects {
  grid-area: projects;
}

.l-contact {
  grid-area: contact;
}

/* Tablet */
@media (min-width: 768px) {
  .l-main-section {
    margin: 0 2rem;
  }
}

/* Desktop (≥1024px) */
@media (min-width: 1024px) {
  .l-main-container {
    display: grid;
    grid-template-areas:
      ".        header    header    v-nav"
      "social-m banner    banner    v-nav"
      ".        about     about     v-nav"
      ".        projects  projects  v-nav"
      ".        contact   contact   v-nav"
      "footer   footer    footer    footer";
    grid-template-columns: 1fr 5fr 5fr 1fr;
    position: relative;
    column-gap: 1.618vw;
    row-gap: 5rem;
  }

  /* FOOTER --------------- */
  .l-footer-background {
    display: block;
    grid-area: footer;
    z-index: 0;
    background-color: var(--color-bg-secondary);
  }

  /* VERTICALS MENUS ----- */
  .l-social-media-banner {
    grid-area: social-m;
    display: flex;
    align-items: start;
  }

  .l-vertical-nav {
    grid-area: v-nav;
    display: flex;
    justify-content: end;
    align-items: start;
    position: relative;
  }
}

/* ============================================================
  3. MODULES (reusable components)
  ------------------------------------------------------------
  Buttons, cards, forms, menus, etc.
  BEM class naming: `.block`, `.block__element`, `.block--modifier`
============================================================ */

/* 3.00 buttons ------------------ */
/* ------------------------------- */

button,
.button {
  font-family: var(--font-base);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  min-height: 44px;
  margin: 2rem 0;
  border: solid 1px var(--color-border-button);
  text-transform: none;
  background-color: var(--color-background-button);
  color: var(--color-text);
  width: min-content;
  cursor: pointer;
  transition: all 0.2s ease;
}

button:hover,
.button:hover {
  background-color: var(--color-background-button-hover);
  border-color: var(--color-border-button-hover);
  transform: translateY(-1px);
}

button:focus,
.button:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-interactive);
  border-color: var(--color-interactive);
}

button:focus-visible,
.button:focus-visible {
  outline: 2px solid var(--color-interactive);
  outline-offset: 2px;
}

button:active,
.button:active {
  transform: translateY(1px);
  background-color: var(--color-interactive-active);
  border-color: var(--color-interactive-active);
}

button:disabled,
.button:disabled {
  background-color: var(--color-grey85);
  border-color: var(--color-grey66);
  color: var(--color-grey50);
  cursor: not-allowed;
  transform: none;
}

button:disabled:hover,
.button:disabled:hover {
  background-color: var(--color-grey85);
  border-color: var(--color-grey66);
  transform: none;
}

.button--modern {
  background-color: var(--color-background-button--modern);
  border: 1px solid var(--color-border-button-modern);
  color: var(--color-button--modern);
  font-weight: 400;
  letter-spacing: 0.02em;
}

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

.button--outlined {
  background-color: var(--color-background-button--outlined);
  border: 1px solid var(--color-border-button--outlined);
}

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

.button--text {
  background-color: var(--color-background-button--text);
  border: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  color: var(--color-button--text);
}

.button--no-margin {
  margin: 0;
}

/* Small devices (≥321px) */
@media (min-width: 321px) {
  button,
  .button {
    font-size: 1rem;
    padding: 0.875rem 1.25rem;
  }
}

/* Tablets (≥768px) */
@media (min-width: 768px) {
  button,
  .button {
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
  }
}

/* Desktop (≥1024px) */
@media (min-width: 1024px) {
  button,
  .button {
    padding: 1rem 2rem;
    border-radius: 1rem;
  }
}

/* 3.01 vertical navigation banner */
/* ------------------------------- */

.vertical-nav__container {
  border: solid 1px var(--color-primary);
  width: 30px;
  height: 50vh;
  transform: translateY(-50%);
  border-radius: var(--radius) 0 0 var(--radius);
  position: sticky;
  top: 50vh;
}

.vertical-nav {
  height: 100%;
}

.vertical-nav__list-items {
  display: flex;
  height: inherit;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
}

.vertical-nav__item {
  list-style: none;
}

.vertical-nav__point {
  background-color: lightgrey;
  border-radius: 50%;
  width: 10px;
  height: 10px;
}

/* 3.02 two-cols --------------- */
/* ----------------------------- */
.two-cols {
  flex-direction: column;
  display: flex;
  gap: 2rem;
}

.two-cols__container {
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: 1rem;
}

@media (min-width: 768px) {
  .two-cols {
    flex-direction: row;
  }

  .two-cols__col1,
  .two-cols__col2 {
    flex: 1;
    max-width: 450px;
  }
}

/* 3.03 Section-title ----------------- */
/* ------------------------------------ */
.section-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.section-title__divider {
  height: 0.3rem;
  width: 5rem;
  border-radius: var(--radius);
  background-color: var(--color-interactive);
}

.section-title__sub-title {
  font-size: 1.5rem;
  font-weight: 300;
  text-align: center;
}

/* 3.10 Header --------------------*/
/* ------------------------------- */
.header {
  display: flex;
  margin: 1rem;
  overflow: hidden;
}

/* 3.10.1 logo-and-title */
.logo-and-title {
  width: 70%;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-and-title__img-container {
  width: 3rem;
  height: 3rem;
  overflow: hidden;
  border-radius: 1.5rem;
}

.logo-and-title__img {
  max-width: 100%;
  height: auto;
  display: block;
}

.text-header {
  font-size: 1rem;
  text-transform: uppercase;
  font-weight: 300;
}

/* 3.10.2 main-nav */
.main-nav {
  display: none;
}

.main-nav__list {
  display: flex;
  gap: 2rem;
  list-style: none;
}

@media (min-width: 768px) {
  .main-nav {
    display: flex;
    align-items: center;
    font-size: 1rem;
  }
}

/* 3.15 banner-title ------------- */
/* ------------------------------- */
.banner-title {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.banner-title__title {
  text-align: center;
}

.banner-title__divider {
  height: 0.3rem;
  width: 5rem;
  border-radius: var(--radius);
  background-color: var(--color-secondary);
}

.banner-title__sub-title {
  font-size: 1.75rem;
  font-weight: 300;
  text-align: center;
}

/* 3.20 Social media vertical banner */
/* --------------------------------- */

.vertical-banner {
  border: solid 2px var(--color-secondary);
  border-radius: 0px var(--radius) var(--radius) 0px;
  width: 50px;
  position: relative;
  padding: 1rem 0;
  align-self: center;
}

.social-media__list {
  display: flex;
  align-items: center;
  gap: 1rem;
  list-style: none;
}

.social-media--vertical {
  flex-direction: column;
}

/* 3.32 Skills-list -------------- */
/* ------------------------------- */
.skills-list {
  display: flex;
  list-style: none;
  justify-content: left;
  flex-wrap: wrap;
}

.skill-list__item {
  padding: var(--space-xs) var(--space-sm);
  margin: 0.5rem;
  border-radius: var(--radius-rond);
  background-color: white;
  border: 1px solid var(--color-interactive);
}

/* 3.40 Gallery ------------------ */
/* ------------------------------- */
.gallery__list-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  list-style: none;
}

.gallery__item {
  height: 500px;
  border: solid 1px var(--color-secondary);
  border-radius: var(--radius);
  padding: 0 1rem;
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
  transition: all 0.2s ease-in-out;
}

.gallery__item:hover {
  border: solid 2px var(--color-secondary);
}

.gallery__img-container {
  overflow: hidden;
  display: flex;
  justify-content: center;
}

.gallery__img-container img {
  max-width: auto;
  height: 100%;
  display: block;
  transform: rotate(-3deg);
  transition: transform 0.5s ease-in-out;
}

.gallery__item .gallery__info h3 {
border-bottom: 2px solid transparent;
width: fit-content;
}

.gallery__item:hover .gallery__info h3 {
border-bottom: 2px solid var(--color-interactive);
transform: scale(1.01);
}

.gallery__item:hover .gallery__img-container img {
  transform: rotate(-2deg) scale(1.02);
}



.gallery__info {
  align-self: center;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 2rem 0;
}

.gallery__title {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.gallery__info a {
  display: inline;
}

.gallery__info button {
  width: min-content;
  margin: 0;
  align-self: center;
}

@media (min-width: 768px) {
  .gallery__item {
    grid-template-columns: 2fr 1fr;
    height: 400px;
  }

  .gallery__img-container img {
    height: 100%;
  }
}

@media (min-width: 1200px) {
  .gallery__item {
    height: 350px;
  }
}

/* contact form */
.contact-form {
  max-width: 500px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  overflow: hidden;
  align-items: stretch;
}

.contact-form__title h3 {
  padding-bottom: 1rem;
}

.contact-form__email input {
  width: 100%;
  padding: 0.5rem;
}

.contact-form__message textarea {
  width: 100%;
  height: 150px;
  /* or desired height */
  min-height: 100px;
  /* minimum height */
  max-height: 300px;
  /* maximum height */
  resize: none;
  /* allows vertical resizing only */
  padding: 0.5rem;
}

.contact_form__submit {
  align-self: center;
}

/* Footer
   ------  */
.footer-content {
  grid-area: footer;
  z-index: 10;
  background-color: var(--color-bg-secondary);
  color: var(--color-primary);
  padding: 0 1rem;
}

.footer__upper {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px var(--color-text) solid;
}

.footer__slogan {
  flex: 1;
}

.footer__title {
  font-size: 1.5rem;
  text-transform: uppercase;
  padding-bottom: 1rem;
}

.footer__slogan__descritpion {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

.footer__social-media {
  flex: 2;
  display: flex;
  justify-content: center;
}

.footer__social-media h2 {
  display: none;
}

.footer__lower {
  padding: 2rem 0;
}

.footer__copyrigth > p {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  text-align: center;
}

/* Tablet */
@media (min-width: 768px) {
  .footer-content {
    padding: 0 2rem;
  }
}

/* Desktop (≥1024px) */
@media (min-width: 1024px) {
  .footer-content {
    grid-area: 6 / 2 / 6 / 4;
  }

  .footer__upper {
    flex-direction: row;
  }

  .footer__social-media {
    justify-content: right;
  }

  .footer__social-media h2 {
    display: block;
  }
}

/* ============================================================
  4. STATES (visual states)
  ------------------------------------------------------------
  Visible/invisible, active/inactive, etc.
  Convention: `.is-*` or `.has-*` (not BEM)
============================================================ */

.is-hidden {
  display: none !important;
}

.is-active {
  border: 2px solid blue;
}

.has-error {
  color: red;
}

/* ============================================================
  5. UTILITIES (quick utility classes)
  ------------------------------------------------------------
  Margins, paddings, text-align, etc. for occasional use
  Convention: `.u-*` (not BEM)
============================================================ */

.u-mt-2 {
  margin-top: 2rem;
}

.u-text-center {
  text-align: center;
}

.u-align-self-center {
  align-self: center;
}