/* ==========================================================================
   Atelier BR — mobile first, editorial, Hostinger-ready
   ========================================================================== */

:root {
  --color-bg: #f3efe8;
  --color-bg-elevated: #ebe6dc;
  --color-ink: #1a1816;
  --color-ink-muted: #5c5750;
  --color-accent: #2d4a3e;
  --color-accent-soft: #d8e4de;
  --color-line: rgba(26, 24, 22, 0.12);
  --color-focus: #2d4a3e;

  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: clamp(3rem, 8vw, 5rem);
  --space-2xl: clamp(4.5rem, 10vw, 7rem);

  --radius-sm: 4px;
  --radius-md: 10px;
  --header-h: 4.25rem;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition: 0.35s var(--ease-out);

  --text-body: 1.0625rem;
  --leading-body: 1.65;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: auto;
}

html.lenis,
html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-ink);
  background: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

button {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  z-index: 9999;
  padding: 0.75rem 1rem;
  background: var(--color-ink);
  color: var(--color-bg);
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: var(--space-sm);
}

.container {
  width: min(100% - 2rem, 72rem);
  margin-inline: auto;
}

.section {
  padding-block: var(--space-xl);
}

.section-head {
  margin-bottom: var(--space-lg);
  max-width: 36rem;
}

.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.35rem);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-md);
  max-width: 16ch;
}

.section-title--wide {
  max-width: 20ch;
}

.section-title--center {
  max-width: none;
  text-align: center;
  margin-inline: auto;
}

.section-intro {
  color: var(--color-ink-muted);
  max-width: 44ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
}

/* Header ------------------------------------------------------------------ */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  transition: background var(--transition), border-color var(--transition);
}

.site-header.is-scrolled {
  background: rgba(243, 239, 232, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 2rem, 72rem);
  height: 100%;
  margin-inline: auto;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}

.logo__img {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
}

.nav-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle__bars {
  position: relative;
  width: 1.25rem;
  height: 2px;
  background: var(--color-ink);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: inherit;
  transition: transform var(--transition);
}

.nav-toggle__bars::before {
  top: -6px;
}

.nav-toggle__bars::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-nav {
  position: fixed;
  inset: var(--header-h) 0 0;
  padding: var(--space-lg) var(--space-md);
  background: var(--color-bg);
  border-top: 1px solid var(--color-line);
  transform: translateX(100%);
  transition: transform var(--transition);
  visibility: hidden;
}

.site-nav.is-open {
  transform: translateX(0);
  visibility: visible;
}

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  font-size: 1.2rem;
}

.site-nav__list a {
  text-decoration: none;
}

.site-nav__cta {
  display: inline-block;
  margin-top: var(--space-sm);
  padding: 0.85rem 1.25rem;
  background: var(--color-ink);
  color: var(--color-bg) !important;
  border-radius: var(--radius-sm);
}

/* Hero -------------------------------------------------------------------- */

.hero {
  padding-top: calc(var(--header-h) + var(--space-lg));
  padding-bottom: var(--space-md);
  min-height: 90svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero__grid {
  display: grid;
  gap: var(--space-lg);
  width: min(100% - 2rem, 72rem);
  margin-inline: auto;
  flex: 1;
  align-content: center;
}

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-sm);
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 7.5vw, 4.75rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-md);
  max-width: 15ch;
}

.hero__lead {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  color: var(--color-ink-muted);
  max-width: 40ch;
  margin: 0 0 var(--space-lg);
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform 0.2s var(--ease-out);
}

.btn:active {
  transform: scale(0.98);
}

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

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

.btn--ghost {
  border-color: var(--color-line);
  background: transparent;
}

.btn--ghost:hover {
  border-color: var(--color-ink);
  color: var(--color-ink);
}

.btn--large {
  padding: 1.1rem 2rem;
  font-size: 1rem;
}

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: var(--space-md) 0 0;
  border-top: 1px solid var(--color-line);
}

.hero__tags li {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  color: var(--color-ink-muted);
  border: 1px solid var(--color-line);
  border-radius: 999px;
}

/* Media frames ------------------------------------------------------------ */

.media-frame {
  position: relative;
  overflow: hidden;
  background-color: var(--color-bg-elevated);
  background-image: linear-gradient(
    145deg,
    var(--color-bg-elevated) 0%,
    var(--color-accent-soft) 100%
  );
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 55%,
    rgba(26, 24, 22, 0.06) 100%
  );
  pointer-events: none;
  z-index: 1;
}

.media-frame.is-fallback::after {
  content: "Visual em atualizacao";
  position: absolute;
  inset: auto var(--space-sm) var(--space-sm) auto;
  z-index: 2;
  padding: 0.35rem 0.6rem;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  background: rgba(243, 239, 232, 0.92);
  border-radius: var(--radius-sm);
}

.media-frame__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 0;
}

.media-frame.is-fallback .media-frame__img {
  visibility: hidden;
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.hero__visual {
  margin: 0;
  border-radius: var(--radius-md);
}

.hero__visual .media-frame__img {
  aspect-ratio: 4 / 5;
  min-height: 320px;
}

.hero__caption {
  position: absolute;
  left: var(--space-sm);
  bottom: var(--space-sm);
  z-index: 2;
  padding: 0.4rem 0.65rem;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  background: rgba(26, 24, 22, 0.78);
  color: var(--color-bg);
  border-radius: var(--radius-sm);
}

.hero__marquee {
  margin-top: var(--space-xl);
  border-block: 1px solid var(--color-line);
  padding-block: var(--space-sm);
  overflow: hidden;
}

.hero__marquee-track {
  display: flex;
  gap: 3rem;
  width: max-content;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  white-space: nowrap;
}

.hero__marquee-track span {
  flex-shrink: 0;
}

/* About ------------------------------------------------------------------- */

.about.section {
  background-color: var(--color-bg);
  background-image: url("../images/textura.jpg");
  background-size: 420px 420px;
  background-repeat: repeat;
  background-blend-mode: multiply;
}

.about__grid {
  display: grid;
  gap: var(--space-lg);
}

.about__body p {
  margin: 0 0 var(--space-md);
  color: var(--color-ink-muted);
  max-width: 54ch;
}

.about__pillars {
  list-style: none;
  margin: var(--space-lg) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-md);
}

.about__pillars li {
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-line);
}

.about__pillars li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.about__pillars strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 400;
  margin-bottom: 0.25rem;
}

.about__pillars span {
  font-size: 0.95rem;
  color: var(--color-ink-muted);
}

/* Services ---------------------------------------------------------------- */

.services {
  background: var(--color-bg-elevated);
}

.services__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.service-card {
  background: var(--color-bg);
  padding: var(--space-md) var(--space-md) var(--space-lg);
}

.service-card h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.service-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-ink-muted);
  max-width: 36ch;
  line-height: 1.55;
}

/* Process ----------------------------------------------------------------- */

.process__grid {
  display: grid;
  gap: var(--space-xl);
}

.process__intro {
  margin-top: 0;
}

.process__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-line);
}

.process__step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md);
  padding-block: var(--space-lg);
  border-bottom: 1px solid var(--color-line);
}

.process__num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-accent);
  line-height: 1;
}

.process__step h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  letter-spacing: -0.01em;
}

.process__step p {
  margin: 0;
  color: var(--color-ink-muted);
  max-width: 48ch;
  font-size: 0.98rem;
}

/* Diferenciais ------------------------------------------------------------ */

.diferenciais__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--color-line);
}

.diferenciais__grid li {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

/* Applications ------------------------------------------------------------ */

.applications {
  background: var(--color-bg-elevated);
}

.applications__grid {
  display: grid;
  gap: var(--space-lg);
}

.app-card {
  display: grid;
  gap: var(--space-md);
}

.app-card__media {
  border-radius: var(--radius-md);
}

.app-card__media .media-frame__img {
  aspect-ratio: 16 / 10;
  transition: transform 0.9s var(--ease-out);
}

.app-card:hover .media-frame__img {
  transform: scale(1.02);
}

.app-card__tag {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.app-card h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  margin: 0.35rem 0 0.5rem;
  letter-spacing: -0.02em;
}

.app-card p {
  margin: 0;
  color: var(--color-ink-muted);
  max-width: 38ch;
  font-size: 0.95rem;
}

.app-card--text .app-card__body {
  padding: var(--space-md);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
  min-height: 10rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

/* Contact ----------------------------------------------------------------- */

.contact__inner {
  text-align: center;
  max-width: 32rem;
  margin-inline: auto;
  padding-block: var(--space-md);
}

.contact__lead {
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-lg);
  font-size: 1rem;
}

/* Footer ------------------------------------------------------------------ */

.site-footer {
  padding-block: var(--space-lg);
  border-top: 1px solid var(--color-line);
  font-size: 0.85rem;
  color: var(--color-ink-muted);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.site-footer a {
  text-decoration: none;
}

/* Reveal states ----------------------------------------------------------- */

[data-reveal],
[data-app],
[data-step] {
  opacity: 1;
  transform: none;
}

html.is-js [data-reveal]:not(.is-visible),
html.is-js [data-app]:not(.is-visible),
html.is-js [data-step]:not(.is-visible) {
  opacity: 0;
  transform: translateY(20px);
}

html.is-js .hero [data-reveal] {
  opacity: 1;
  transform: none;
}

/* Reduced motion ---------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero__marquee {
    display: none;
  }
}

/* Tablet+ ----------------------------------------------------------------- */

@media (min-width: 40rem) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-card--wide {
    grid-column: 1 / -1;
  }

  .diferenciais__grid {
    grid-template-columns: repeat(2, 1fr);
    column-gap: var(--space-lg);
  }

  .applications__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .app-card--text {
    grid-column: span 1;
  }
}

@media (min-width: 48rem) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    padding: 0;
    background: transparent;
    border: 0;
    transform: none;
    visibility: visible;
  }

  .site-nav__list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.9rem;
  }

  .site-nav__cta {
    margin-top: 0;
    margin-left: var(--space-xs);
    padding: 0.6rem 1rem;
    font-size: 0.88rem;
  }

  .hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: end;
    gap: var(--space-xl);
  }

  .hero__title {
    max-width: 13ch;
  }

  .about__grid {
    grid-template-columns: 11rem 1fr;
  }

  .about__pillars {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg) var(--space-xl);
  }

  .about__pillars li {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .process__grid {
    grid-template-columns: 1fr 1.15fr;
    gap: var(--space-2xl);
    align-items: start;
  }

  .applications__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .app-card:first-child {
    grid-column: span 2;
  }

  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (min-width: 64rem) {
  .hero {
    min-height: 92svh;
  }

  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .service-card--wide {
    grid-column: span 2;
  }

  .diferenciais__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}