/* ============================================
   LUMIBOX — Base Styles & Reset
   ============================================ */
@import url('variables.css?v=20260828-2');

/* --- Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--fs-body);
  line-height: var(--leading-body);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  font-synthesis: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: var(--space-sm);
  left: -999px;
  z-index: calc(var(--z-modal) + 10);
  padding: 0.75rem 1rem;
  color: var(--text-on-accent);
  background: var(--accent);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

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

:focus-visible {
  outline-offset: 3px;
}

::selection {
  color: var(--text-on-accent);
  background: var(--accent);
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-placeholder);
  opacity: 1;
}

a,
button {
  touch-action: manipulation;
}

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--leading-heading);
  color: var(--text-primary);
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

h1, h2 { letter-spacing: var(--tracking-tight); }
h3 { letter-spacing: -0.012em; }

p {
  text-wrap: pretty;
}

.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.container--wide {
  max-width: var(--container-wide);
}

.container--narrow {
  max-width: var(--container-narrow);
}

section {
  padding-block: var(--section-padding);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.875rem 2rem;
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  transition: color var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              transform 160ms var(--ease-out);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--accent);
  color: var(--text-on-accent);
}

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

.btn--outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn--outline:hover {
  background: var(--accent);
  color: var(--text-on-accent);
}

.btn__arrow {
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
  box-shadow: none;
}

.btn--full {
  width: 100%;
  justify-content: center;
}

.btn--self-start {
  align-self: flex-start;
}

@media (hover: hover) and (pointer: fine) {
  .btn--primary:hover {
    box-shadow: var(--shadow-gold);
    transform: translateY(-2px);
  }

  .btn:hover .btn__arrow {
    transform: translateX(4px);
  }
}

.btn:active:not(:disabled) {
  box-shadow: none;
  transform: scale(0.97);
}

.btn__spinner {
  width: 1rem;
  height: 1rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: buttonSpinner 700ms linear infinite;
}

@keyframes buttonSpinner {
  to { transform: rotate(360deg); }
}

/* --- Shared Brand Components --- */
.section-cta {
  margin-top: var(--space-xl);
  text-align: center;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.trust-badges--section {
  margin-bottom: var(--space-lg);
}

.trust-badges--contact {
  margin-top: var(--space-lg);
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  color: var(--accent);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-full);
  font-size: var(--fs-caption);
  letter-spacing: 0.02em;
}

.trust-badge::before {
  content: '✓';
  font-size: var(--fs-caption);
  font-weight: 700;
}

/* --- Form Feedback --- */
.form-honeypot {
  position: absolute;
  inset: 0 auto auto 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.form-privacy {
  color: var(--text-secondary);
  font-size: var(--fs-caption);
  line-height: 1.5;
}

.form-status {
  padding: 0.75rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  line-height: 1.5;
}

.form-status:empty {
  display: none;
}

.form-status--success {
  color: var(--status-success-text);
  background: var(--status-success-bg);
  border-color: var(--status-success-border);
}

.form-status--error {
  color: var(--status-error-text);
  background: var(--status-error-bg);
  border-color: var(--status-error-border);
}

.form-status a {
  color: inherit;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-status:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

.form-required-note {
  color: var(--text-secondary);
  font-size: var(--fs-caption);
  line-height: 1.5;
}

.form-field-help {
  color: var(--text-secondary);
  font-size: var(--fs-caption);
  line-height: 1.5;
}

.form-field-error {
  min-height: 1.5em;
  color: var(--status-error-text);
  font-size: var(--fs-caption);
  line-height: 1.5;
}

.form-field-error:empty {
  min-height: 0;
}

[data-contact-form] [aria-invalid="true"],
[data-contact-form] [aria-invalid="true"]:focus {
  border-color: var(--status-error-border-strong);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: var(--space-sm) 0;
  transition: background var(--duration-normal) var(--ease-out),
              padding var(--duration-normal) var(--ease-out);
}

.nav--scrolled {
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--accent-border-faint);
}

.nav__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.nav__logo {
  height: 48px;
  width: auto;
  transition: height var(--duration-normal) var(--ease-out);
}

.nav--scrolled .nav__logo {
  height: 36px;
}

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

.nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text-secondary);
  font-size: var(--fs-small);
  font-weight: 400;
  letter-spacing: 0.05em;
  position: relative;
  padding-bottom: 4px;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--duration-fast) var(--ease-out);
}

.nav__link:hover,
.nav__link--active {
  color: var(--text-primary);
}

.nav__link:hover::after,
.nav__link--active::after {
  transform: scaleX(1);
}

/* Mobile menu toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 160ms var(--ease-out);
}

.nav__toggle:active {
  transform: scale(0.94);
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--duration-fast) var(--ease-out),
              opacity var(--duration-fast) var(--ease-out);
}

.nav__backdrop {
  display: none;
}

/* --- Scroll Reveal Animation --- */
.reveal {
  --reveal-delay: 0ms;
}

.reveal.reveal--pending {
  opacity: 0;
  transform: translateY(40px);
}

.reveal.reveal--pending:not(.reveal--settled) {
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
  transition-delay: var(--reveal-delay);
}

/* Direction variants — must come BEFORE .reveal--visible */
.reveal.reveal--pending.reveal--left {
  transform: translateX(-60px);
}

.reveal.reveal--pending.reveal--right {
  transform: translateX(60px);
}

.reveal.reveal--pending.reveal--scale {
  transform: scale(0.92);
}

/* Visible state — higher specificity wins over variants */
.reveal.reveal--pending.reveal--visible {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* Stagger delays */
.reveal--delay-1 { --reveal-delay: 50ms; }
.reveal--delay-2 { --reveal-delay: 100ms; }
.reveal--delay-3 { --reveal-delay: 150ms; }
.reveal--delay-4 { --reveal-delay: 200ms; }
.reveal--delay-5 { --reveal-delay: 250ms; }

/* --- Video Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-out),
              visibility var(--duration-normal) var(--ease-out);
  overscroll-behavior: contain;
}

.modal-overlay--active {
  opacity: 1;
  visibility: visible;
}

.modal-overlay__content {
  width: 90vw;
  max-width: 1100px;
  aspect-ratio: 16 / 9;
  position: relative;
}

.modal-overlay__close {
  position: absolute;
  top: -48px;
  right: 0;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--text-primary);
  font-size: 1.5rem;
  padding: 8px;
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out),
              transform 160ms var(--ease-out);
}

.modal-overlay__close:hover {
  color: var(--accent);
}

.modal-overlay__close:active {
  transform: scale(0.94);
}

.modal-overlay__content iframe {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: var(--radius-md);
}

/* --- Footer --- */
.footer {
  background: var(--bg-secondary);
  padding: var(--space-xl) 0 var(--space-md);
  border-top: 1px solid var(--accent-border-faint);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-xl);
}

.footer__brand p {
  color: var(--text-secondary);
  font-size: var(--fs-small);
  margin-top: var(--space-sm);
  max-width: 35ch;
}

.footer__logo {
  width: auto;
  height: 40px;
}

.footer__heading {
  font-size: var(--fs-small);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.footer__link {
  display: block;
  color: var(--text-secondary);
  font-size: var(--fs-small);
  padding: 4px 0;
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__link:hover {
  color: var(--text-primary);
}

.footer__bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border-separator);
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--fs-caption);
}

/* --- Lightbox --- */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.97);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 3vw, 3rem);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-out);
  cursor: default;
  overscroll-behavior: contain;
}

.lightbox--active {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: min(90vw, 1600px);
  max-height: calc(100dvh - 6rem);
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.45);
}

.lightbox__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  color: var(--text-primary);
  font-size: 2rem;
  line-height: 1;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
  z-index: 10;
  transition: color var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out),
              transform 160ms var(--ease-out);
}

.lightbox__close:hover {
  color: var(--accent);
  background: rgba(255, 255, 255, 0.14);
}

.lightbox__close:active {
  transform: scale(0.94);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  color: var(--text-primary);
  font-size: 2rem;
  line-height: 1;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out),
              transform 160ms var(--ease-out);
}

.lightbox__nav:hover {
  color: var(--accent);
  background: rgba(255, 255, 255, 0.14);
}

.lightbox__nav:active {
  transform: translateY(-50%) scale(0.94);
}

.lightbox__nav--prev { left: var(--space-md); }
.lightbox__nav--next { right: var(--space-md); }

.lightbox__close:focus-visible,
.lightbox__nav:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.lightbox__counter {
  position: absolute;
  bottom: var(--space-sm);
  left: 50%;
  transform: translateX(-50%);
  padding: 0.35rem 0.7rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  font-size: var(--fs-caption);
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums lining-nums;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .reveal.reveal--pending.reveal--left:not(.reveal--visible),
  .reveal.reveal--pending.reveal--right:not(.reveal--visible) {
    transform: translateY(24px);
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: 0;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    height: 100dvh;
    background: var(--bg-secondary);
    flex-direction: column;
    align-items: flex-start;
    padding: max(var(--space-3xl), calc(env(safe-area-inset-top) + var(--space-xl)))
             max(var(--space-lg), env(safe-area-inset-right))
             max(var(--space-lg), env(safe-area-inset-bottom))
             var(--space-lg);
    gap: var(--space-md);
    opacity: 0;
    transform: translateX(100%);
    transition: transform var(--duration-normal) var(--ease-drawer),
                opacity var(--duration-fast) var(--ease-out);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.5);
  }

  .nav__links--open {
    opacity: 1;
    transform: translateX(0);
  }

  .nav__link {
    width: 100%;
  }

  .nav__backdrop {
    position: fixed;
    inset: 0;
    display: block;
    background: rgba(0, 0, 0, 0.68);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-fast) var(--ease-out);
  }

  .nav--menu-open .nav__backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__toggle--active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav__toggle--active span:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle--active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer {
    padding-bottom: max(var(--space-md), env(safe-area-inset-bottom));
  }

  .footer__link {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding-block: 0;
  }

  .trust-badges {
    flex-direction: column;
    align-items: flex-start;
  }

  .lightbox {
    padding: 4rem 1rem 5rem;
  }

  .lightbox img {
    max-width: calc(100vw - 2rem);
    max-height: calc(100dvh - 9rem);
  }

  .lightbox__close {
    top: max(var(--space-sm), env(safe-area-inset-top));
    right: max(var(--space-sm), env(safe-area-inset-right));
  }

  .lightbox__nav {
    top: auto;
    bottom: max(var(--space-sm), env(safe-area-inset-bottom));
    transform: none;
  }

  .lightbox__nav:active {
    transform: scale(0.94);
  }

  .lightbox__nav--prev {
    left: calc(50% - 100px);
  }

  .lightbox__nav--next {
    right: calc(50% - 100px);
  }

  .lightbox__counter {
    bottom: calc(1.55rem + env(safe-area-inset-bottom));
  }
}

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

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .nav {
    transition: background-color 160ms var(--ease-out);
  }

  .nav__logo,
  .nav__link::after {
    transition: none;
  }

  .nav__links {
    transition: opacity 160ms var(--ease-out);
  }

  .nav__backdrop {
    transition: opacity 160ms var(--ease-out);
  }

  .nav__toggle span {
    transition: opacity 160ms var(--ease-out);
  }

  .btn {
    transition: color 160ms var(--ease-out),
                background-color 160ms var(--ease-out),
                border-color 160ms var(--ease-out),
                opacity 160ms var(--ease-out);
  }

  .btn__arrow {
    transition: none;
  }

  .modal-overlay,
  .lightbox {
    transition: opacity var(--duration-fast) var(--ease-out);
  }

  .hero__scroll-indicator,
  .showreel__play::before {
    animation: none !important;
  }

  .btn--primary:hover,
  .btn:active,
  .btn:hover .btn__arrow,
  .nav__toggle:active,
  .modal-overlay__close:active,
  .lightbox__close:active,
  .lightbox__nav:active,
  .hero__video-control:active,
  .showreel__fullbleed:active,
  .portfolio-preview__item:active,
  .portfolio-filter:active,
  .portfolio-grid__item:active,
  .showreel__fullbleed:hover,
  .showreel__fullbleed:hover .showreel__thumbnail,
  .showreel__fullbleed:hover .showreel__play,
  .servicos__card:hover,
  .portfolio-preview__item:hover img,
  .about-values__item:hover,
  .portfolio-grid__item:hover img {
    transform: none !important;
  }

  .btn__spinner {
    animation-duration: 700ms !important;
    animation-iteration-count: infinite !important;
  }
}