/* Studio Allariz — tokens from DESIGN.md (narrative palette + YAML alignment) */
:root {
  --color-bg: #0d0d0d;
  --color-surface: #131313;
  --color-surface-high: #1a1a1a;
  --color-surface-container: #20201f;
  --color-gold: #c5a059;
  --color-gold-dim: #8e7953;
  --color-text: #e8e8e8;
  --color-text-muted: #c4c7c7;
  --color-line: rgba(142, 121, 83, 0.35);
  --color-line-strong: rgba(197, 160, 89, 0.55);
  --font-display: "EB Garamond", "Times New Roman", serif;
  --font-body: "Metropolis", system-ui, -apple-system, sans-serif;
  --space-unit: 8px;
  --container-max: 1440px;
  --gutter: clamp(24px, 4vw, 32px);
  --section-y: clamp(64px, 10vw, 120px);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100%;
}

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

body {
  margin: 0;
  overflow-x: hidden;
  max-width: 100%;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

#conteudo-principal {
  max-width: 100%;
  overflow-x: clip;
}

img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover {
  color: var(--color-gold);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  z-index: 1000;
  padding: 12px 20px;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-line-strong);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.skip-link:focus {
  left: 12px;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--grid-2 {
  display: grid;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}

@media (min-width: 900px) {
  .container--grid-2 {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .container--contact {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .container--essence {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background 0.45s var(--ease-out), border-color 0.45s var(--ease-out),
    backdrop-filter 0.45s var(--ease-out);
}

.site-header.is-scrolled {
  background: rgba(13, 13, 13, 0.72);
  backdrop-filter: blur(20px);
  border-bottom-color: rgba(142, 121, 83, 0.22);
}

.site-header__inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 16px;
}

@media (min-width: 960px) {
  .site-header__inner {
    grid-template-columns: auto 1fr auto auto;
    gap: 32px;
  }
}

.site-logo {
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-logo:hover {
  color: var(--color-text);
}

.nav-toggle {
  justify-self: end;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-line);
  background: transparent;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  padding: 0;
}

.nav-toggle__line {
  width: 18px;
  height: 1px;
  background: var(--color-text);
  transition: transform 0.35s var(--ease-out), opacity 0.25s;
}

.site-header.is-open .nav-toggle__line:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.site-header.is-open .nav-toggle__line:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

@media (min-width: 960px) {
  .nav-toggle {
    display: none;
  }
}

.site-nav {
  position: fixed;
  inset: var(--header-h) 0 0;
  background: rgba(13, 13, 13, 0.96);
  padding: 32px var(--gutter) 48px;
  translate: 100% 0;
  transition: translate 0.45s var(--ease-out);
}

.site-header.is-open .site-nav {
  translate: 0 0;
}

@media (min-width: 960px) {
  .site-nav {
    position: static;
    inset: auto;
    padding: 0;
    background: transparent;
    translate: 0 0;
    justify-self: center;
  }
}

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

@media (min-width: 960px) {
  .site-nav__list {
    flex-direction: row;
    gap: clamp(24px, 3vw, 40px);
  }
}

.site-nav__link {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  position: relative;
  padding-block: 4px;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--color-text);
}

.site-nav__link.is-active {
  color: var(--color-text);
}

.site-nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 4px;
  height: 4px;
  translate: -50% 0;
  background: var(--color-gold);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 14px 22px;
  border-radius: 0;
  border: 1px solid var(--color-gold);
  background: transparent;
  color: var(--color-gold);
  cursor: pointer;
  transition: background 0.35s var(--ease-out), color 0.35s var(--ease-out),
    transform 0.15s var(--ease-out), border-color 0.35s var(--ease-out);
}

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

.btn:active {
  transform: translateY(1px) scale(0.99);
}

.btn--ghost-header {
  display: none;
}

@media (min-width: 960px) {
  .btn--ghost-header {
    display: inline-flex;
    justify-self: end;
  }
}

.btn--primary {
  width: 100%;
  margin-top: 8px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: calc(var(--header-h) + 48px) var(--gutter) 80px;
  text-align: center;
  overflow: clip;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}

.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
      180deg,
      rgba(13, 13, 13, 0.55) 0%,
      rgba(13, 13, 13, 0.35) 38%,
      rgba(13, 13, 13, 0.82) 100%
    ),
    radial-gradient(ellipse at 50% 20%, rgba(197, 160, 89, 0.08), transparent 55%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 20ch;
}

.hero__kicker {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.hero__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(40px, 7vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  margin: 0;
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 300;
  color: var(--color-gold);
  letter-spacing: 0.06em;
}

.hero__scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  translate: -50% 0;
  z-index: 1;
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 56px;
  background: linear-gradient(
    180deg,
    rgba(197, 160, 89, 0.1),
    rgba(197, 160, 89, 0.85) 55%,
    rgba(197, 160, 89, 0.15)
  );
}

/* Build Sequence (GSAP ScrollTrigger pin) */
.build-sequence {
  position: relative;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
  background: var(--color-bg);
}

/* Pista de scroll antes do vídeo: evita ultrapassar o start "center center" ao descer do hero. */
/* .build-sequence__approach {
  height: min(40dvh, 380px);
  pointer-events: none;
} */

.build-sequence__stage {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin-left: 0;
  min-height: 100dvh;
  height: 100dvh;
  overflow: hidden;
  background: var(--color-surface-container);
}

.build-sequence__media {
  position: absolute;
  inset: 0;
}

.build-sequence__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.03);
}

.build-sequence__veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
      180deg,
      rgba(13, 13, 13, 0.45) 0%,
      rgba(13, 13, 13, 0.2) 40%,
      rgba(13, 13, 13, 0.75) 100%
    ),
    radial-gradient(ellipse 90% 60% at 50% 100%, rgba(0, 0, 0, 0.35), transparent 70%);
}

.build-sequence__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(24px, 5vh, 48px);
  padding: clamp(24px, 5vw, 56px);
  max-width: 1200px;
  margin-inline: auto;
  width: 100%;
}

.build-sequence__card {
  max-width: min(100%, 22rem);
  padding: clamp(20px, 3vw, 28px) 0;
  border-top: 0.5px solid rgba(142, 121, 83, 0.45);
  will-change: transform, opacity;
}

.build-sequence__card--left {
  align-self: flex-start;
  text-align: left;
}

.build-sequence__card--right {
  align-self: flex-end;
  text-align: right;
}

.build-sequence__eyebrow {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.build-sequence__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(22px, 2.8vw, 32px);
  line-height: 1.2;
  color: var(--color-text);
}

.build-sequence__copy {
  margin: 0;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-text-muted);
}

@media (max-width: 767px) {
  .build-sequence__card,
  .build-sequence__card--left,
  .build-sequence__card--right {
    align-self: stretch;
    max-width: none;
    text-align: left;
  }
}

.build-sequence--static .build-sequence__card {
  opacity: 1 !important;
  transform: none !important;
  visibility: visible !important;
}

.build-sequence--static .build-sequence__overlay {
  position: relative;
  padding-block: 48px;
}

.build-sequence--static .build-sequence__stage {
  height: auto;
  min-height: auto;
}

.build-sequence--static .build-sequence__approach {
  height: 0;
  min-height: 0;
}

/* Sections */
.section {
  padding-block: var(--section-y);
  background: var(--color-bg);
}

.section--process {
  background: var(--color-surface);
  border-block: 1px solid rgba(142, 121, 83, 0.18);
}

.section-title {
  margin: 0 0 clamp(28px, 4vw, 40px);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.section-title--left {
  text-align: left;
}

.process-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 4vw, 40px);
}

.process-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px 24px;
  padding-bottom: clamp(24px, 3vw, 32px);
  border-bottom: 0.5px solid rgba(142, 121, 83, 0.28);
}

.process-step:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.process-step__num {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 28px);
  color: var(--color-gold);
  line-height: 1;
}

.process-step__title {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.process-step__text {
  margin: 0;
  color: var(--color-text-muted);
  max-width: 52ch;
}

.process-media {
  margin: 0;
  border: 1px solid var(--color-line);
  background: var(--color-surface-high);
  overflow: hidden;
}

.process-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 280px;
  filter: saturate(0.88) contrast(1.02);
}

@media (min-width: 900px) {
  .process-media img {
    min-height: 520px;
  }
}

/* Portfolio */
.section--portfolio {
  background: var(--color-bg);
}

.portfolio-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) and (max-width: 1023px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: minmax(200px, 28vw);
    gap: 14px;
  }

  .portfolio-item--tall {
    grid-column: 1 / 2;
    grid-row: span 2;
  }

  .portfolio-item:nth-child(2) {
    grid-column: 2 / 3;
  }

  .portfolio-item:nth-child(3) {
    grid-column: 2 / 3;
  }

  .portfolio-item--wide {
    grid-column: 1 / -1;
    grid-row: span 2;
  }

  .portfolio-item:nth-child(5),
  .portfolio-item:nth-child(6),
  .portfolio-item:nth-child(7) {
    grid-column: auto;
    grid-row: auto;
  }
}

@media (min-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-auto-rows: minmax(112px, 10.5vw);
    gap: 16px;
  }

  .portfolio-item--tall {
    grid-column: 1 / 6;
    grid-row: 1 / 5;
  }

  .portfolio-item:nth-child(2) {
    grid-column: 6 / 9;
    grid-row: 1 / 3;
  }

  .portfolio-item:nth-child(3) {
    grid-column: 9 / 13;
    grid-row: 1 / 3;
  }

  .portfolio-item--wide {
    grid-column: 6 / 13;
    grid-row: 3 / 5;
  }

  .portfolio-item:nth-child(5) {
    grid-column: 1 / 5;
    grid-row: 5 / 7;
  }

  .portfolio-item:nth-child(6) {
    grid-column: 5 / 9;
    grid-row: 5 / 7;
  }

  .portfolio-item:nth-child(7) {
    grid-column: 9 / 13;
    grid-row: 5 / 7;
  }
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: var(--color-surface-container);
  isolation: isolate;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 220px;
  transition: transform 0.85s var(--ease-out), filter 0.65s var(--ease-out);
  filter: saturate(0.9);
}

@media (min-width: 700px) {
  .portfolio-item img {
    min-height: 0;
  }
}

.portfolio-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(13, 13, 13, 0.12);
  opacity: 0;
  transition: opacity 0.5s var(--ease-out);
  pointer-events: none;
}

.portfolio-item:hover img {
  transform: scale(1.04);
  filter: saturate(1) brightness(1.03);
}

.portfolio-item:hover::after {
  opacity: 1;
}

.portfolio-item:focus-visible {
  outline: 1px solid var(--color-gold);
  outline-offset: 2px;
}

/* Essence */
.section--essence {
  background: var(--color-surface);
  border-block: 1px solid rgba(142, 121, 83, 0.15);
}

.essence-portrait {
  margin: 0;
  border: 1px solid var(--color-line);
  overflow: hidden;
  max-width: 520px;
}

.essence-portrait img {
  width: 100%;
  filter: grayscale(1) contrast(1.05);
}

.essence-copy {
  max-width: 60ch;
}

.essence-lead {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.45;
  color: var(--color-gold);
}

.essence-body {
  margin: 0 0 18px;
  color: var(--color-text-muted);
}

.essence-body:last-of-type {
  margin-bottom: 32px;
}

.essence-signature {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--color-gold);
  letter-spacing: 0.04em;
}

.essence-signature::before {
  content: "";
  display: block;
  width: 48px;
  height: 1px;
  background: var(--color-gold-dim);
  margin-bottom: 16px;
}

/* Testimonials — staggered columns, not equal “cards” */
.section--testimonials {
  background: var(--color-bg);
}

.testimonial-grid {
  display: grid;
  gap: clamp(32px, 5vw, 48px);
}

@media (min-width: 900px) {
  .testimonial-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .testimonial:nth-child(2) {
    margin-top: 24px;
  }

  .testimonial:nth-child(3) {
    margin-top: 48px;
  }
}

.testimonial {
  margin: 0;
  padding: 0;
  text-align: center;
  border-top: 0.5px solid rgba(142, 121, 83, 0.35);
  padding-top: 28px;
}

.testimonial__quote {
  display: block;
  margin: 0 auto 20px;
  color: var(--color-gold-dim);
  opacity: 0.85;
}

.testimonial__text {
  margin: 0 0 22px;
  color: var(--color-text-muted);
  font-size: 15px;
  line-height: 1.65;
}

.testimonial__meta {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
}

/* Contact */
.section--contact {
  background: var(--color-surface);
  border-top: 1px solid rgba(142, 121, 83, 0.15);
}

.contact-intro__text {
  margin: 0 0 28px;
  color: var(--color-text-muted);
  max-width: 48ch;
}

.contact-wa {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-gold);
  border-bottom: 1px solid transparent;
  padding-bottom: 4px;
  transition: border-color 0.3s var(--ease-out);
}

.contact-wa:hover {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold-dim);
}

.contact-wa__icon {
  display: grid;
  place-items: center;
  color: var(--color-gold);
}

.contact-form-wrap {
  background: var(--color-surface-container);
  border: 1px solid var(--color-line);
  padding: clamp(24px, 4vw, 40px);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.field__label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.field__input {
  width: 100%;
  padding: 10px 0 12px;
  border: 0;
  border-bottom: 1px solid var(--color-line);
  border-radius: 0;
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 300;
  outline: none;
  transition: border-color 0.3s var(--ease-out);
}

.field__input:focus {
  border-bottom-color: var(--color-gold);
}

.field__input--textarea {
  resize: vertical;
  min-height: 120px;
}

.field__helper {
  margin: 0;
  font-size: 12px;
  color: rgba(196, 199, 199, 0.7);
}

.field__error {
  margin: 0;
  min-height: 1.2em;
  font-size: 12px;
  color: #ffb4ab;
}

.form-status {
  margin: 12px 0 0;
  min-height: 1.4em;
  font-size: 13px;
  color: var(--color-text-muted);
}

.form-status.is-success {
  color: var(--color-gold);
}

.form-status.is-error {
  color: #ffb4ab;
}

.btn__loading[hidden] {
  display: none;
}

/* Footer */
.site-footer {
  padding: clamp(48px, 8vw, 80px) 0 40px;
  background: var(--color-bg);
  border-top: 0.5px solid rgba(142, 121, 83, 0.25);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  text-align: center;
}

.site-footer__logo {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.site-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px 28px;
}

.site-footer__list a {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.site-footer__list a:hover {
  color: var(--color-text);
}

.site-footer__social {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 20px;
}

.site-footer__social a {
  display: grid;
  place-items: center;
  color: var(--color-gold-dim);
  border: 1px solid var(--color-line);
  width: 44px;
  height: 44px;
  transition: color 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}

.site-footer__social a:hover {
  color: var(--color-gold);
  border-color: var(--color-line-strong);
}

.site-footer__legal {
  margin: 8px 0 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  color: rgba(196, 199, 199, 0.55);
}

/* Reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease-out), transform 0.75s var(--ease-out);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .portfolio-item img,
  .portfolio-item::after,
  .btn {
    transition: none;
  }

  .portfolio-item:hover img {
    transform: none;
  }
}