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

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  overflow-x: hidden;
  background: #f7f6f3;
  color: #171717;
  font-family: Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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


/* =========================
   BARRA SUPERIOR DESKTOP
========================= */

.desktop-header {
  position: fixed;
  top: 0;
  left: 0;

  width: 100%;
  height: 64px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 0 42px;

  z-index: 1000;

  background: rgba(247, 246, 243, 0.68);

  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);

  border-bottom: 0;
}

.desktop-brand {
  display: inline-block;

  color: #171717;
  text-decoration: none;

  font-family: Arial, Helvetica, sans-serif;

  font-size: 10px;
  font-weight: 600;

  letter-spacing: 0.22em;

  white-space: nowrap;

  transition: opacity 0.25s ease;
}

.desktop-brand:hover {
  opacity: 0.5;
}

.desktop-brand--logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(6.25rem, 7vw, 8.25rem);
  height: 100%;
  min-height: 0;
  margin: 0;
  padding-block: 0;
  overflow: hidden;
  line-height: 0;
  position: static;
}

.desktop-brand--logo .brand-logo {
  display: block;
  width: 145%;
  max-width: none;
  height: auto;
  filter: none;
  mix-blend-mode: multiply;
  margin: 0;
  transform: none;
  position: static;
}

.desktop-brand--lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  height: 100%;
  line-height: 0;
}

.desktop-brand--lockup .brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 100%;
  overflow: hidden;
}

.desktop-brand--lockup .brand-logo {
  display: block;
  width: 145%;
  max-width: none;
  height: auto;
  filter: none;
  mix-blend-mode: multiply;
}

.desktop-brand--lockup .brand-wordmark {
  line-height: 1;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.desktop-nav a {
  position: relative;

  color: #171717;
  text-decoration: none;

  font-family: Arial, Helvetica, sans-serif;

  font-size: 9px;
  font-weight: 400;

  letter-spacing: 0.12em;

  white-space: nowrap;

  transition: opacity 0.25s ease;
}

.desktop-nav a:hover {
  opacity: 0.5;
}

.desktop-nav a.active {
  font-weight: 600;
}

.desktop-nav a::after {
  content: "";

  position: absolute;

  left: 0;
  bottom: -7px;

  width: 100%;
  height: 1px;

  background: #171717;

  transform: scaleX(0);
  transform-origin: center;

  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.desktop-nav a:hover::after,
.desktop-nav a.active::after {
  transform: scaleX(1);
}


/* HEADER */

.site-header {
  width: 100%;
  padding: 30px 5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(23, 23, 23, 0.15);
}

.brand {
  font-size: 12px;
  letter-spacing: 0.16em;
  font-weight: 600;
}

.main-nav {
  display: flex;
  gap: 38px;
}

.main-nav a {
  font-size: 12px;
  letter-spacing: 0.08em;
  transition: opacity 0.3s ease;
}

.main-nav a:hover {
  opacity: 0.45;
}


/* INTRO */

.portfolio-intro {
  padding: clamp(8rem, 16vh, 13rem) 8vw clamp(6rem, 11vh, 9rem);
}

.eyebrow,
.section-label {
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #666;
  margin-bottom: 38px;
}

.portfolio-intro h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  font-size: clamp(58px, 7vw, 120px);
  line-height: 0.92;
  letter-spacing: -0.045em;
  max-width: 1250px;
}

.intro-text {
  max-width: 500px;
  margin-top: 55px;
  font-size: 15px;
  line-height: 1.8;
  color: #555;
}


/* PROJECTS */

.projects {
  --project-gutter: clamp(24px, 5vw, 88px);
  padding: clamp(5rem, 8vw, 9rem) 0 clamp(8rem, 13vw, 15rem);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(1.5rem, 3.2vw, 4.75rem);
  row-gap: clamp(6.5rem, 10vw, 12rem);
}

.project {
  width: 100%;
}

[id^="projeto-"] {
  scroll-margin-top: 82px;
}

.project-link {
  position: relative;
  display: block;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

.project-link:focus-visible {
  outline: 1px solid rgba(23, 23, 23, 0.72);
  outline-offset: 8px;
}

.project-large {
  grid-column: 1 / -1;
}

#projeto-04 {
  grid-column: 1 / 7;
  padding-left: var(--project-gutter);
}

#projeto-05 {
  grid-column: 7 / -1;
  align-self: start;
  margin-top: clamp(5rem, 9vw, 10rem);
  padding-right: var(--project-gutter);
}

#projeto-06 {
  grid-column: 1 / 7;
  padding-left: var(--project-gutter);
}

/* The final three projects form a deliberate editorial coda: a full-width
   statement, a quieter wide frame, then a vertical closing image. */
@media (min-width: 769px) {
  .project--poente-atlantico {
    grid-column: 1 / 11;
  }

  .project--solar-itacuruca {
    grid-column: 4 / -1;
    padding-right: var(--project-gutter);
  }

  .project--poente-atlantico .project-info {
    padding-left: var(--project-gutter);
  }

  .project--solar-itacuruca .project-info {
    padding-right: 0;
    padding-left: 0;
  }
}

.project-image {
  width: 100%;
  background: #e9e7e2;
}

.project-image picture {
  display: block;
  width: 100%;
}

.project-image img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  object-position: center;
}

.image-placeholder {
  width: 100%;
  height: 100%;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #e9e7e2;
  color: #999;
  font-size: 10px;
  letter-spacing: 0.2em;
}

.project-info {
  padding-top: clamp(18px, 1.9vw, 30px);
  display: flex;
  justify-content: space-between;
  gap: 30px;
  transition: opacity 320ms ease, transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.project-large .project-info {
  padding-right: var(--project-gutter);
  padding-left: var(--project-gutter);
}

@media (min-width: 769px) {
  .project-large .project-info {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1;
    align-items: end;
    padding: clamp(2rem, 4vw, 4.5rem) var(--project-gutter) clamp(1.75rem, 3vw, 3.25rem);
    color: #f8f6f0;
    background: linear-gradient(0deg, rgba(8, 11, 10, 0.52) 0%, rgba(8, 11, 10, 0.18) 54%, transparent 100%);
  }

  .project-large .project-number,
  .project-large .project-category {
    color: rgba(248, 246, 240, 0.76);
  }

  .project-large .project-category {
    padding-bottom: 0.2rem;
  }

  .project--solar-itacuruca .project-info {
    padding-right: 0;
    padding-left: clamp(2rem, 4vw, 4.5rem);
  }
}

.project-number {
  display: block;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: #777;
  margin-bottom: 12px;
}

.project h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(25px, 2.5vw, 38px);
  font-weight: 400;
  letter-spacing: -0.025em;
}

.project-category {
  font-size: 9px;
  letter-spacing: 0.13em;
  color: #777;
  white-space: nowrap;
  padding-top: 4px;
}

@media (hover: hover) and (pointer: fine) {
  .project-link:hover .project-info {
    opacity: 0.68;
    transform: translateY(-2px);
  }
}

/* Desktop portfolio reset: editorial rhythm without implicit grid rows. */
@media (min-width: 769px) {
  .projects {
    display: flex;
    flex-direction: column;
    gap: clamp(7rem, 13vw, 13rem);
    padding: clamp(6rem, 10vw, 11rem) var(--project-gutter) clamp(10rem, 16vw, 18rem);
  }

  .projects .project,
  .projects #projeto-02,
  .projects #projeto-03,
  .projects #projeto-04,
  .projects #projeto-05,
  .projects #projeto-06 {
    width: min(100%, 1180px);
    margin: 0;
    padding: 0;
    align-self: center;
    grid-column: auto;
  }

  .projects .project:nth-child(odd) { align-self: flex-start; }
  .projects .project:nth-child(even) { align-self: flex-end; }
  .projects .project--poente-atlantico,
  .projects .project-large { width: min(100%, 1280px); }

  .projects .project-image,
  .projects .project-image picture,
  .projects .project-image img {
    width: 100%;
    height: auto;
    min-height: 0;
    max-height: none;
    object-fit: cover;
  }

  .projects .project-info,
  .projects .project-large .project-info {
    position: static;
    right: auto;
    bottom: auto;
    left: auto;
    z-index: auto;
    align-items: initial;
    padding: clamp(1.25rem, 2vw, 2.5rem) 0 0;
    color: #171717;
    background: none;
  }

  .projects .project-large .project-number,
  .projects .project-large .project-category {
    color: #777;
  }

  .projects .project:nth-child(3),
  .projects .project:nth-child(5),
  .projects .project:nth-child(8) { width: min(100%, 760px); }

  /* Solar de Itacuruçá closes the sequence as a centered vertical frame. */
  .projects .project:nth-child(8) {
    align-self: center;
    width: min(100%, 980px);
  }
}


/* CTA */

.portfolio-cta {
  padding: clamp(8rem, 15vh, 13rem) 8vw;
  background: transparent;
}

.portfolio-cta h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  font-size: clamp(48px, 6vw, 90px);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  margin-top: 45px;
  padding-bottom: 8px;
  border-bottom: 1px solid #171717;
  font-size: 12px;
  letter-spacing: 0.08em;
  transition: gap 0.3s ease;
}

.text-link span {
  font-size: 17px;
}

.text-link:hover {
  gap: 26px;
}


/* FOOTER */

.site-footer {
  width: 100%;
  border-top: 1px solid rgba(23, 23, 23, 0.18);
  padding: 30px 5vw;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  font-size: 10px;
  letter-spacing: 0.16em;
  color: #777;
}
.site-footer > span, .site-footer .copyright { min-width: 0; }
.site-footer > span:nth-child(2) { text-align:center; }
.site-footer .copyright { text-align:right; white-space:nowrap; }


/* MOBILE */

@media (max-width: 768px) {

  .desktop-header {
    display: none;
  }

  .site-header {
    padding: 24px 6vw;
  }

  .main-nav {
    gap: 18px;
  }

  .main-nav a {
    font-size: 10px;
  }

  .portfolio-intro {
    padding: 12vh 7vw 10vh;
  }

  .portfolio-intro h1 {
    font-size: clamp(48px, 13.2vw, 78px);
    max-width: 100%;
  }

  .intro-text {
    margin-top: 40px;
    font-size: 14px;
  }

  .projects {
    display: block;
    padding: clamp(4.5rem, 18vw, 7rem) 0 clamp(7rem, 24vw, 10rem);
  }

  .project,
  #projeto-02,
  #projeto-03,
  #projeto-04,
  #projeto-05,
  #projeto-06 {
    width: 100%;
    margin: 0 0 clamp(5.5rem, 22vw, 8rem);
    padding: 0;
  }

  .project-info,
  .project-large .project-info {
    display: block;
    padding: 18px 7vw 0;
  }

  .project-category {
    display: block;
    margin-top: 15px;
  }

  .portfolio-cta {
    padding: 14vh 7vw;
  }

  .portfolio-cta h2 {
    font-size: clamp(42px, 11vw, 65px);
  }

  .site-footer {
    grid-template-columns: 1fr;
    padding: 25px 6vw;
    font-size: 8px;
    gap: 10px;
  }
  .site-footer > span:nth-child(2), .site-footer .copyright { text-align:left; }
  .site-footer .copyright { white-space:normal; }
}

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

  .project-info,
  .text-link {
    transition: none;
  }
}

/* Refinamento editorial: profundidade e movimento sem alterar a grade original. */
.portfolio-intro > *,
.project,
.portfolio-cta,
.site-footer {
  animation: portfolio-reveal-up .82s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* Keep the opening headline stable on the first paint; JSON hydration must
   never make the typography flash, jump or briefly disappear. */
.portfolio-intro > * {
  animation: none;
  opacity: 1;
  transform: none;
}

.portfolio-intro .eyebrow { animation-delay: .04s; }
.portfolio-intro h1 { animation-delay: .1s; }
.portfolio-intro .intro-text { animation-delay: .18s; }
.project:nth-child(1) { animation-delay: .08s; }
.project:nth-child(2) { animation-delay: .14s; }
.project:nth-child(3) { animation-delay: .2s; }

.project-image {
  overflow: hidden;
  transition: box-shadow .5s cubic-bezier(0.22, 1, 0.36, 1);
}

.project-image img {
  transition: transform .8s cubic-bezier(0.22, 1, 0.36, 1);
}

.project-info,
.project-number,
.project h2,
.project-category {
  transition: transform .46s cubic-bezier(0.22, 1, 0.36, 1), opacity .32s ease;
}

@media (hover: hover) and (pointer: fine) {
  .project-link:hover .project-image {
    box-shadow: 0 24px 54px rgba(23, 23, 23, .14);
  }

  .project-link:hover .project-image img { transform: scale(1.025); }

  .project-link:hover .project-info {
    opacity: 1;
    transform: translateY(-.28rem);
  }

  .project-link:hover .project-number { transform: translateX(.16rem); }
  .project-link:hover h2 { transform: translateX(.32rem); }
  .project-link:hover .project-category { transform: translateX(-.2rem); }
}

@keyframes portfolio-reveal-up {
  from { opacity: 0; transform: translateY(.9rem); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio-intro > *,
  .project,
  .portfolio-cta,
  .site-footer {
    animation: none;
  }
}