/*
 * Zolfer Figueiredo — portfolio.
 * Design tokens and layout from the "Zolfer Portfolio" Figma file.
 */

/* Fonts (self-hosted, SIL Open Font License) */
@font-face {
  font-family: Silkscreen;
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/silkscreen-regular.woff2') format('woff2');
}

@font-face {
  font-family: Silkscreen;
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/silkscreen-bold.woff2') format('woff2');
}

/* Tokens */
:root {
  --color-black: #121212;
  --color-white: #fafafa;
  --color-yellow: #fff552;
  --color-grey: #bebebe;
  --font-pixel: silkscreen, 'Courier New', monospace;
  --content-width: 1216px;
  --header-height: 88px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-pixel);
  font-size: 18px;
  line-height: 1.4;
  text-transform: uppercase;
  -webkit-font-smoothing: none;
}

img {
  max-width: 100%;
  image-rendering: pixelated;
}

p {
  margin: 0 0 1em;
}

p:last-child {
  margin-bottom: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 8px;
  z-index: 100;
  padding: 8px 16px;
  background: var(--color-yellow);
  color: var(--color-black);
}

.skip-link:focus {
  top: 8px;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-yellow);
  outline-offset: 2px;
}

/* Layout helpers */
.section {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 56px 24px 0;
}

.section__title {
  margin: 0 0 40px;
  font-size: 32px;
  font-weight: 700;
  text-align: center;
}

/* Pixel button (background SVG from Figma, corners are transparent) */
.button {
  display: inline-block;
  min-width: 184px;
  padding: 16px 21px;
  border: 0;
  background: url('../img/button-bg.svg') no-repeat center / 100% 100%;
  color: var(--color-black);
  font-family: var(--font-pixel);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
  text-transform: uppercase;
  cursor: pointer;
  filter: drop-shadow(4px 4px 0 var(--color-white));
  transition:
    filter 0.15s ease,
    transform 0.15s ease;
}

.button:hover {
  transform: translate(2px, 2px);
  filter: drop-shadow(2px 2px 0 var(--color-white));
}

@media (prefers-reduced-motion: reduce) {
  .button {
    transition: none;
  }
}

.link-underline {
  display: inline-block;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--color-white);
}

.link-underline:hover {
  color: var(--color-yellow);
  border-color: var(--color-yellow);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-black);
}

.site-header--scrolled {
  border-bottom: 1px solid rgb(250 250 250 / 30%);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px 112px;
}

.site-nav {
  margin-left: auto;
}

.site-nav__list {
  display: flex;
  gap: 32px;
}

.site-nav__link:hover {
  color: var(--color-yellow);
}

.site-header__social {
  display: flex;
  gap: 24px;
}

.site-header__social a:hover {
  filter: brightness(0.8);
}

.site-header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  border: 0;
  background: none;
  cursor: pointer;
}

.site-header__burger span {
  display: block;
  width: 26px;
  height: 4px;
  background: var(--color-white);
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  padding: 110px 24px 90px;
  overflow: hidden;

  /* 70px dot grid, 6px square dots */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='70' height='70'%3E%3Crect x='0' y='0' width='6' height='6' fill='%23fafafa' fill-opacity='0.22'/%3E%3C/svg%3E");
  background-position: 0 60px;
}

.hero__icons {
  position: absolute;
  inset: 61px 114px 44px;
  pointer-events: none;
}

.hero__icon {
  position: absolute;
  top: var(--icon-y, 0);
  left: var(--icon-x, 0);
  width: 64px;
  height: 64px;
}

/* Gentle random drift around each icon's home position. The waypoints and
   timing come from per-icon custom properties randomized on every page load
   (see templates/partials/hero.php), so no two icons — or two visits — move
   the same way. */
@media (prefers-reduced-motion: no-preference) {
  .hero__icon {
    animation: hero-float var(--float-dur, 10s) ease-in-out var(--float-delay, 0s) infinite;
  }
}

@keyframes hero-float {
  0%,
  100% {
    transform: translate(0, 0);
  }

  25% {
    transform: translate(var(--fx1, 12px), var(--fy1, -12px));
  }

  50% {
    transform: translate(var(--fx2, -12px), var(--fy2, 12px));
  }

  75% {
    transform: translate(var(--fx3, 12px), var(--fy3, 12px));
  }
}

/* Desktop icon placement, in percent of the illustration area (Figma: 1246x621). */
.hero__icon--mysql {
  --icon-x: 22.2%;
  --icon-y: 0.5%;
}

.hero__icon--react {
  --icon-x: 44.5%;
  --icon-y: 10.8%;
}

.hero__icon--nosql {
  --icon-x: 72.8%;
  --icon-y: 0%;
}

.hero__icon--postgresql {
  --icon-x: 89.6%;
  --icon-y: 10.1%;
}

.hero__icon--express {
  --icon-x: 5.2%;
  --icon-y: 23%;
}

.hero__icon--graphql {
  --icon-x: 11.2%;
  --icon-y: 45.1%;
}

.hero__icon--slim {
  --icon-x: 94.9%;
  --icon-y: 45.1%;
}

.hero__icon--nodejs {
  --icon-x: 0%;
  --icon-y: 67.6%;
}

.hero__icon--bash {
  --icon-x: 84%;
  --icon-y: 55.9%;
}

.hero__icon--java {
  --icon-x: 67.4%;
  --icon-y: 67.6%;
}

.hero__icon--html {
  --icon-x: 16.4%;
  --icon-y: 77.9%;
}

.hero__icon--css {
  --icon-x: 27.6%;
  --icon-y: 89.7%;
}

.hero__icon--php {
  --icon-x: 61.3%;
  --icon-y: 89%;
}

.hero__icon--laravel {
  --icon-x: 89.4%;
  --icon-y: 89%;
}

.hero__content {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 64px;
  align-items: center;
  max-width: 720px;
  margin: 84px auto 0;
  text-align: center;
}

.hero__name {
  margin: 0 0 24px;
  color: var(--color-yellow);
  font-size: 64px;
  font-weight: 400;
  line-height: 1;
}

.hero__tagline {
  max-width: 595px;
  margin: 0;
  font-size: 28px;
}

/* About */
.about__grid {
  display: grid;
  grid-template-columns: 384px 384px 1fr;
  grid-template-areas: 'text character links';
  gap: 32px;
  align-items: start;
}

.about__text {
  grid-area: text;
}

.about__character {
  grid-area: character;
  width: 384px;
  height: 384px;
}

.about__links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  grid-area: links;
  align-self: end;
}

.about__links .link-underline {
  display: block;
  width: 100%;
}

/* Experience */
.experience__row {
  border: 1px solid var(--color-white);
}

.experience__row + .experience__row {
  border-top: 0;
}

.experience__summary {
  display: grid;
  grid-template-columns: 325px 241px 278px 1fr 24px;
  gap: 16px;
  align-items: end;
  padding: 24px;
  font-size: 20px;
}

.experience__toggle {
  position: relative;
  width: 24px;
  height: 24px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

.experience__toggle-icon::before,
.experience__toggle-icon::after {
  content: '';
  position: absolute;
  background: var(--color-white);
  transition: transform 0.2s ease;
}

.experience__toggle-icon::before {
  top: 10px;
  left: 0;
  width: 24px;
  height: 4px;
}

.experience__toggle-icon::after {
  top: 0;
  left: 10px;
  width: 4px;
  height: 24px;
}

.experience__toggle[aria-expanded='true'] .experience__toggle-icon::after {
  transform: scaleY(0);
}

@media (prefers-reduced-motion: reduce) {
  .experience__toggle-icon::before,
  .experience__toggle-icon::after {
    transition: none;
  }
}

.experience__details {
  padding: 0 24px 24px;
  color: var(--color-grey);
}

/* Contact */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.form-field__input {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--color-white);
  border-radius: 2px;
  background: transparent;
  color: var(--color-white);
  font-family: var(--font-pixel);
  font-size: 18px;
  text-transform: uppercase;
}

.form-field__input::placeholder {
  color: var(--color-grey);
}

.form-field__input--textarea {
  min-height: 160px;
  resize: vertical;
}

.form-field__error {
  margin: 0;
  color: var(--color-yellow);
  font-size: 14px;
}

.contact__status {
  margin: 0;
  font-size: 16px;
}

.contact__status--success {
  color: var(--color-yellow);
}

.contact__status--error {
  color: #ff6b6b;
}

/* Footer */
.site-footer {
  margin-top: 56px;
  padding-bottom: 16px;
  text-align: center;
}

.site-footer__rule {
  height: 1px;
  margin: 0 0 16px;
  border: 0;
  background: var(--color-white);
  opacity: 0.7;
}

.site-footer__line {
  margin: 0 0 4px;
  font-size: 12px;
}

.site-footer__heart {
  width: 16px;
  height: 16px;
  vertical-align: middle;
}

.site-footer__credit-link {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer__credit-link:hover {
  color: var(--color-yellow);
}

/* Tablet and below */
@media (width <= 1100px) {
  .site-header__inner {
    padding: 24px 32px;
  }

  .about__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      'text character'
      'links links';
  }

  .experience__summary {
    grid-template-columns: 1fr 1fr 1fr 1fr 24px;
    font-size: 18px;
  }
}

/* Mobile */
@media (width <= 760px) {
  :root {
    --header-height: 64px;
  }

  body {
    font-size: 16px;
  }

  .site-header__inner {
    gap: 16px;
    padding: 12px 16px;
  }

  .site-header__logo img {
    width: 34px;
    height: 25px;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    margin: 0;
    border-bottom: 1px solid rgb(250 250 250 / 30%);
    background: var(--color-black);
  }

  .site-nav--open {
    display: block;
  }

  .site-nav__list {
    flex-direction: column;
    gap: 0;
  }

  .site-nav__link {
    display: block;
    padding: 16px 24px;
  }

  .site-header__social {
    margin-left: auto;
  }

  .site-header__burger {
    display: flex;
  }

  .hero {
    padding: 48px 16px 64px;
  }

  .hero__icons {
    inset: 16px;
  }

  .hero__icon {
    display: none;
    width: 40px;
    height: 40px;
  }

  .hero__icon--mobile {
    display: block;
  }

  /* Hand-placed mobile positions (per the Figma mobile frame) so the
     reduced icon set frames the text instead of overlapping it. */
  .hero__icon--nodejs {
    --icon-x: 4%;
    --icon-y: 4%;
  }

  .hero__icon--graphql {
    --icon-x: 78%;
    --icon-y: 6%;
  }

  .hero__icon--nosql {
    --icon-x: 2%;
    --icon-y: 30%;
  }

  .hero__icon--react {
    --icon-x: 44%;
    --icon-y: 88%;
  }

  .hero__icon--php {
    --icon-x: 72%;
    --icon-y: 78%;
  }

  .hero__icon--laravel {
    --icon-x: 6%;
    --icon-y: 88%;
  }

  .hero__content {
    gap: 40px;
    margin-top: 96px;
  }

  .hero__name {
    font-size: 40px;
  }

  .hero__tagline {
    font-size: 18px;
  }

  .section {
    padding: 40px 16px 0;
  }

  .section__title {
    margin-bottom: 24px;
    font-size: 28px;
  }

  .about__grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      'text'
      'character'
      'links';
  }

  .about__character {
    width: 100%;
    max-width: 384px;
    height: auto;
    margin: 0 auto;
  }

  .experience__summary {
    grid-template-columns: 1fr 24px;
    grid-template-areas:
      'period toggle'
      'company toggle'
      'role .'
      'location .';
    gap: 4px 8px;
    font-size: 16px;
  }

  .experience__period {
    grid-area: period;
  }

  .experience__company {
    grid-area: company;
  }

  .experience__role {
    grid-area: role;
  }

  .experience__location {
    grid-area: location;
  }

  .experience__toggle {
    grid-area: toggle;
  }

  .contact__grid {
    grid-template-columns: 1fr;
  }
}