@import url('./variables.css');

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Background técnico: grid sutil + noise */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--color-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at center, #000 40%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 40%, transparent 90%);
}

img, svg { display: block; max-width: 100%; }
svg { color: currentColor; }

a { color: var(--color-text-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-highlight); }

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: var(--weight-bold); line-height: var(--leading-tight); letter-spacing: -0.02em; }

button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

:focus-visible { outline: 1px solid var(--color-highlight); outline-offset: 3px; border-radius: 2px; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  position: relative;
  z-index: 1;
}

/* ===== Section structure ===== */
.section { padding-block: clamp(var(--space-16), 10vw, var(--space-32)); position: relative; }
.section + .section { border-top: 1px solid var(--color-border); }

.section__head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-8); margin-bottom: var(--space-16); flex-wrap: wrap; }
.section__label { display: flex; align-items: center; gap: var(--space-3); font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-muted); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: var(--space-4); }
.section__label::before { content: ''; width: 24px; height: 1px; background: var(--color-text-muted); }
.section__label .idx { color: var(--color-highlight); }
.section__heading { max-width: 620px; }
.section__title { font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl)); line-height: 1.05; margin-bottom: var(--space-4); }
.section__subtitle { color: var(--color-text-secondary); font-size: var(--text-lg); line-height: var(--leading-relaxed); max-width: 620px; }
.section__meta { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-muted); letter-spacing: 0.05em; text-align: right; }
.section__meta span { display: block; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-header-bg);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner { position: relative; display: flex; align-items: center; padding-block: var(--space-4); min-height: 64px; gap: var(--space-4); }
.brand {
  font-family: var(--font-body);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}
.brand::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 2px;
  box-shadow: 0 0 12px var(--color-accent-glow);
}
.brand span { color: var(--color-text-secondary); font-weight: var(--weight-regular); }
.site-nav { display: none; align-items: center; gap: var(--space-6); position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); pointer-events: auto; }
.site-nav a { display: inline-flex; align-items: center; color: var(--color-text-secondary); font-size: var(--text-sm); font-weight: var(--weight-medium); line-height: 1; }
.site-nav a::before {
  content: attr(data-idx);
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-text-muted);
  margin-right: var(--space-2);
  opacity: 0.7;
  transform: translateY(-1px);
}
.site-nav a:hover { color: var(--color-text-primary); }
@media (min-width: 768px) { .site-nav { display: flex; } }

.site-header__tools { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; margin-left: auto; }
.site-header__cta { display: none; }
@media (min-width: 960px) { .site-header__cta { display: inline-flex; } }

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
}
.lang-toggle__btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: var(--weight-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 10px;
  border-radius: 999px;
  cursor: pointer;
  transition: color 160ms ease, background-color 160ms ease;
}
.lang-toggle__btn:hover { color: var(--color-text-primary); }
.lang-toggle__btn.is-active {
  color: var(--color-text-primary);
  background: rgba(99, 102, 241, 0.18);
  box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.35);
}
.lang-toggle__btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.lang-toggle__flag {
  width: 18px;
  height: 12px;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.25);
  flex-shrink: 0;
}

.theme-toggle {
  appearance: none;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  width: 36px;
  height: 36px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color 160ms ease, border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
  flex-shrink: 0;
}
.theme-toggle:hover { color: var(--color-text-primary); border-color: var(--color-border-strong); }
.theme-toggle:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.theme-toggle svg { width: 16px; height: 16px; stroke-width: 1.5; }
.theme-toggle__icon--sun { display: none; }
.theme-toggle__icon--moon { display: block; }
:root[data-theme="light"] .theme-toggle__icon--sun { display: block; }
:root[data-theme="light"] .theme-toggle__icon--moon { display: none; }

/* ===== Buttons ===== */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 var(--space-6);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  letter-spacing: 0.005em;
  line-height: 1;
  transition: transform var(--transition-base), background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), color var(--transition-base);
  white-space: nowrap;
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.btn svg { width: 16px; height: 16px; transition: transform var(--transition-base); flex-shrink: 0; }
.btn:hover svg { transform: translateX(3px); }
.btn:active { transform: translateY(0) !important; }
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  box-shadow: 0 4px 14px -2px var(--color-accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: 0 8px 22px -4px var(--color-accent-glow), 0 0 0 4px rgba(99, 102, 241, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  color: #fff;
}

.btn--secondary {
  background: var(--color-secondary-btn-bg);
  color: var(--color-text-primary);
  border-color: var(--color-border-strong);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.btn--secondary:hover {
  border-color: var(--color-accent);
  background: var(--color-secondary-btn-hover);
  color: var(--color-text-primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px -6px rgba(0, 0, 0, 0.4);
}

.btn--ghost {
  color: var(--color-text-secondary);
  min-height: 40px;
  padding-inline: var(--space-3);
  border-color: transparent;
  background: transparent;
}
.btn--ghost:hover { color: var(--color-text-primary); background: var(--color-ghost-hover); }

.btn--lg { min-height: 52px; padding: 0 var(--space-8); font-size: var(--text-base); }
.btn--lg svg { width: 18px; height: 18px; }

.btn--block { width: 100%; }

.btn[disabled],
.btn[aria-busy="true"] { opacity: 0.55; cursor: not-allowed; pointer-events: none; transform: none !important; box-shadow: none !important; }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding-block: clamp(var(--space-24), 14vw, 10rem) clamp(var(--space-16), 10vw, var(--space-32));
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  isolation: isolate;
}
.hero::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 120%;
  height: 1px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.4;
}

.hero__sparkles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 40%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 40%, transparent 85%);
}

.hero__beam {
  position: absolute;
  top: 35%;
  left: 0;
  width: 60%;
  height: 2px;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(90deg, transparent 0%, rgba(99, 102, 241, 0.0) 20%, rgba(99, 102, 241, 0.85) 50%, rgba(0, 212, 255, 0.0) 80%, transparent 100%);
  filter: blur(1.5px);
  animation: hero-beam-sweep 7s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}
.hero__beam::after {
  content: '';
  position: absolute;
  inset: -20px 0;
  background: linear-gradient(90deg, transparent 30%, rgba(99, 102, 241, 0.25) 50%, transparent 70%);
  filter: blur(20px);
}
@keyframes hero-beam-sweep {
  0%   { transform: translateX(-100%) translateY(0); opacity: 0; }
  15%  { opacity: 1; }
  50%  { transform: translateX(60%) translateY(80px); opacity: 1; }
  85%  { opacity: 1; }
  100% { transform: translateX(180%) translateY(-40px); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__beam { animation: none; opacity: 0; }
}

.hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-10);
  background: var(--color-surface);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.hero__kicker-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-success); box-shadow: 0 0 8px var(--color-success); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
@media (prefers-reduced-motion: reduce) { .hero__kicker-dot { animation: none; } }

.hero__wordmark {
  display: flex;
  align-items: baseline;
  gap: clamp(0.5rem, 1.2vw, 1.25rem);
  font-family: var(--font-body);
  font-size: clamp(4rem, 16vw, 12rem);
  font-weight: var(--weight-bold);
  line-height: 0.9;
  letter-spacing: -0.055em;
  margin-bottom: var(--space-6);
  text-align: center;
}
.hero__wordmark-main,
.hero__wordmark-accent {
  background-image: var(--hero-wordmark-main);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 6px 24px rgba(99, 102, 241, 0.35));
}
.hero__wordmark-accent {
  background-image: var(--hero-wordmark-accent);
  filter: drop-shadow(0 8px 28px rgba(99, 102, 241, 0.55));
}

.hero__tagline {
  font-family: var(--font-mono);
  font-size: clamp(var(--text-sm), 1.1vw, var(--text-base));
  color: var(--color-text-secondary);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  max-width: 680px;
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  letter-spacing: 0;
  line-height: var(--leading-relaxed);
  color: var(--color-text-muted);
  margin: 0 auto var(--space-8);
  max-width: 560px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}
.hero__actions .btn {
  min-height: 52px;
  padding: 0 var(--space-8);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  letter-spacing: -0.005em;
  border-radius: var(--radius-md);
}
.hero__actions .btn svg { width: 18px; height: 18px; }

.hero__actions .btn--primary {
  background: linear-gradient(180deg, #818CF8 0%, #6366F1 45%, #4f46e5 100%);
  border-color: rgba(129, 140, 248, 0.6);
  box-shadow:
    0 10px 32px -8px rgba(99, 102, 241, 0.65),
    0 0 0 1px rgba(129, 140, 248, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.hero__actions .btn--primary:hover {
  background: linear-gradient(180deg, #9ba4fc 0%, #7c86f7 45%, #5d54ea 100%);
  box-shadow:
    0 16px 40px -10px rgba(99, 102, 241, 0.75),
    0 0 0 4px rgba(129, 140, 248, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.hero__actions .btn--secondary {
  background: var(--color-surface-strong);
  border-color: rgba(129, 140, 248, 0.35);
  color: var(--color-text-primary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.hero__actions .btn--secondary:hover {
  background: rgba(99, 102, 241, 0.12);
  border-color: rgba(129, 140, 248, 0.7);
  color: #ffffff;
  box-shadow: 0 10px 28px -10px rgba(99, 102, 241, 0.5);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-6);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  width: 100%;
  max-width: 680px;
  text-align: left;
}
.hero__stat-value { font-family: var(--font-heading); font-size: var(--text-2xl); font-weight: var(--weight-bold); color: var(--color-text-primary); line-height: 1; margin-bottom: var(--space-2); letter-spacing: -0.02em; }
.hero__stat-value .unit { color: var(--color-accent); font-size: 0.7em; margin-left: 2px; }
.hero__stat-label { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-muted); letter-spacing: 0.05em; text-transform: uppercase; }

/* ===== About ===== */
.about__timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--color-border);
}
.about__milestone {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  padding: var(--space-8) 0;
  border-bottom: 1px dashed var(--color-border);
}
@media (min-width: 768px) {
  .about__milestone {
    grid-template-columns: 200px 1fr;
    gap: var(--space-12);
    padding: var(--space-10) 0;
  }
}
.about__milestone-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.about__milestone-marker {
  width: 10px;
  height: 10px;
  border: 1px solid var(--color-border-strong);
  background: transparent;
  border-radius: 50%;
  flex-shrink: 0;
}
.about__milestone-marker--accent {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15), 0 0 12px var(--color-accent-glow);
}
.about__milestone--active .about__milestone-label { color: var(--color-highlight); }
.about__milestone-label { white-space: nowrap; }
.about__milestone-text {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  max-width: 68ch;
  margin: 0;
}

/* ===== Services ===== */
.services-grid {
  display: grid;
  gap: 0;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}
@media (min-width: 640px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .services-grid { grid-template-columns: repeat(4, 1fr); } }

.service-card {
  position: relative;
  padding: var(--space-8) var(--space-6);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: transparent;
  transition: background var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  min-height: 280px;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}
.service-card:hover { background: var(--color-surface-service-hover); }
.service-card:hover::before { width: 100%; }
.service-card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); }
.service-card__index { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-muted); letter-spacing: 0.05em; }
.service-card__icon { width: 32px; height: 32px; color: var(--color-accent); }
.service-card__icon svg { width: 100%; height: 100%; stroke-width: 1.25; }
.service-card__title { font-size: var(--text-xl); line-height: var(--leading-tight); margin-top: auto; }
.service-card__desc { color: var(--color-text-secondary); font-size: var(--text-sm); line-height: var(--leading-relaxed); }
.service-card__foot { display: flex; align-items: center; gap: var(--space-2); font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-muted); letter-spacing: 0.05em; margin-top: var(--space-2); }
.service-card__foot-arrow { width: 10px; height: 10px; border-top: 1px solid currentColor; border-right: 1px solid currentColor; transform: rotate(45deg); }

/* ===== Projects ===== */
.projects-grid { display: grid; gap: var(--space-6); grid-template-columns: 1fr; }
@media (min-width: 768px) { .projects-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); } }
@media (min-width: 1200px) { .projects-grid { grid-template-columns: repeat(3, 1fr); } }

.project-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}
.project-card:hover { border-color: var(--color-border-strong); background: var(--color-surface-hover); }
.project-card:hover .project-card__cover { border-bottom-color: var(--color-accent); }

.project-card__cover {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--color-bg-primary);
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  transition: border-color var(--transition-base);
}
.project-card__cover svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.project-card__cover-pattern { stroke: rgba(148, 163, 184, 0.12); stroke-width: 1; fill: none; }
.project-card__cover-accent { stroke: var(--color-accent); stroke-width: 1; fill: none; opacity: 0.6; }
.project-card__cover-dot { fill: var(--color-accent); }

.project-card__meta-row {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  z-index: 2;
}
.project-card__meta-row .badge { color: var(--color-highlight); }

.project-card__body { padding: var(--space-5) var(--space-5) var(--space-4); display: flex; flex-direction: column; gap: var(--space-3); flex: 1; }
.project-card__kicker { font-family: var(--font-mono); font-size: 10px; color: var(--color-text-muted); letter-spacing: 0.1em; text-transform: uppercase; }
.project-card__title { font-size: var(--text-lg); line-height: var(--leading-tight); letter-spacing: -0.015em; }
.project-card__desc { color: var(--color-text-secondary); font-size: var(--text-sm); line-height: var(--leading-relaxed); flex: 1; }
.project-card__tech { display: flex; flex-wrap: wrap; gap: var(--space-1); margin-top: var(--space-3); padding-top: var(--space-3); border-top: 1px solid var(--color-border); }
.project-card__tech-tag { font-family: var(--font-mono); font-size: 10px; color: var(--color-text-secondary); letter-spacing: 0.04em; padding: 2px var(--space-2); border: 1px solid var(--color-border); border-radius: 2px; text-transform: lowercase; }

/* ===== Contact ===== */
.contact__grid { display: grid; gap: var(--space-16); }
@media (min-width: 900px) { .contact__grid { grid-template-columns: 0.9fr 1.1fr; gap: var(--space-24); } }

.contact__info-block { margin-bottom: var(--space-8); }
.contact__info-block:last-child { margin-bottom: 0; }
.contact__info-label { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-muted); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: var(--space-2); display: flex; align-items: center; gap: var(--space-2); }
.contact__info-label::before { content: ''; width: 12px; height: 1px; background: var(--color-text-muted); }
.contact__info-value { color: var(--color-text-primary); font-size: var(--text-base); line-height: var(--leading-relaxed); }
.contact__info-value a { color: var(--color-text-primary); border-bottom: 1px solid var(--color-border-strong); transition: border-color var(--transition-fast); }
.contact__info-value a:hover { border-color: var(--color-accent); color: var(--color-accent-hover); }

.form { display: grid; gap: var(--space-5); background: var(--color-surface-form); border: 1px solid var(--color-border); padding: var(--space-8); border-radius: var(--radius-md); position: relative; }
.form::before {
  content: '// formulário seguro — dados tratados conforme LGPD';
  position: absolute;
  top: -10px;
  left: var(--space-6);
  padding: 0 var(--space-2);
  background: var(--color-bg-primary);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}
.form__row { display: grid; gap: var(--space-4); }
@media (min-width: 640px) { .form__row--2 { grid-template-columns: 1fr 1fr; } }

.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.field label .req { color: var(--color-highlight); }
.field input, .field textarea {
  width: 100%;
  background: transparent;
  color: var(--color-text-primary);
  border: 0;
  border-bottom: 1px solid var(--color-border-strong);
  border-radius: 0;
  padding: var(--space-3) 0;
  font: inherit;
  transition: border-color var(--transition-fast);
}
.field textarea { resize: vertical; min-height: 120px; line-height: var(--leading-normal); padding-top: var(--space-3); }
.field input::placeholder, .field textarea::placeholder { color: var(--color-text-muted); opacity: 0.5; }
.field input:focus, .field textarea:focus { outline: none; border-bottom-color: var(--color-accent); }
.field--error input, .field--error textarea { border-bottom-color: var(--color-error); }
.field__error { color: var(--color-error); font-size: var(--text-sm); min-height: 1.25em; font-family: var(--font-body); }

.checkbox { display: flex; gap: var(--space-3); align-items: flex-start; cursor: pointer; font-size: var(--text-sm); color: var(--color-text-secondary); line-height: var(--leading-relaxed); padding-top: var(--space-2); }
.checkbox input { position: absolute; opacity: 0; pointer-events: none; }
.checkbox__box {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border: 1px solid var(--color-border-strong);
  background: transparent;
  display: grid;
  place-items: center;
  transition: all var(--transition-fast);
  margin-top: 2px;
  border-radius: 2px;
}
.checkbox__box::after {
  content: '';
  width: 9px;
  height: 5px;
  border-left: 1.5px solid var(--color-bg-primary);
  border-bottom: 1.5px solid var(--color-bg-primary);
  transform: rotate(-45deg) translate(1px, -1px) scale(0);
  transition: transform var(--transition-fast);
}
.checkbox input:checked + .checkbox__box { background: var(--color-accent); border-color: var(--color-accent); }
.checkbox input:checked + .checkbox__box::after { transform: rotate(-45deg) translate(1px, -1px) scale(1); }
.checkbox input:focus-visible + .checkbox__box { outline: 2px solid var(--color-highlight); outline-offset: 2px; }
.checkbox__label .req { color: var(--color-highlight); margin-left: 2px; }
.checkbox__label a { color: var(--color-text-primary); border-bottom: 1px solid var(--color-border-strong); }

.form__feedback { min-height: 1.5em; font-size: var(--text-sm); font-family: var(--font-mono); letter-spacing: 0.02em; }
.form__feedback--success { color: var(--color-success); }
.form__feedback--success::before { content: '✓  '; }
.form__feedback--error { color: var(--color-error); }
.form__feedback--error::before { content: '✕  '; }

.form__submit { justify-self: start; margin-top: var(--space-2); }
.form__submit[aria-busy="true"] { pointer-events: none; opacity: 0.7; }

/* ===== Skeleton loader ===== */
.skeleton {
  background: linear-gradient(90deg, rgba(148,163,184,0.04) 0%, rgba(148,163,184,0.08) 50%, rgba(148,163,184,0.04) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  border: 1px solid var(--color-border);
}
@keyframes shimmer { to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) { .skeleton { animation: none; } }
.skeleton--service { min-height: 280px; border-radius: 0; }
.skeleton--project { min-height: 320px; }

/* ===== Reveal on scroll ===== */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity var(--transition-slow), transform var(--transition-slow); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ===== Footer ===== */
.site-footer { background: var(--color-footer-bg); border-top: 1px solid var(--color-border); padding-block: var(--space-16) var(--space-6); position: relative; z-index: 1; }
.site-footer__grid { display: grid; gap: var(--space-12); margin-bottom: var(--space-12); }
@media (min-width: 768px) { .site-footer__grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: var(--space-8); } }
.footer__company .brand { display: inline-flex; margin-bottom: var(--space-4); font-size: var(--text-base); }
.footer__company p { color: var(--color-text-secondary); font-size: var(--text-sm); margin-bottom: var(--space-1); line-height: var(--leading-relaxed); }
.footer__company p.footer__small { color: var(--color-text-muted); font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.05em; margin-top: var(--space-4); }
.footer__col h4 { font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--color-text-muted); margin-bottom: var(--space-4); font-weight: var(--weight-medium); }
.footer__col ul { list-style: none; display: grid; gap: var(--space-3); }
.footer__col a { color: var(--color-text-secondary); font-size: var(--text-sm); }
.footer__col a:hover { color: var(--color-text-primary); }
.footer__bottom { border-top: 1px solid var(--color-border); padding-top: var(--space-4); display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-4); color: var(--color-text-muted); font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.05em; }
.footer__bottom .status { display: inline-flex; align-items: center; gap: var(--space-2); color: var(--color-success); }
.footer__bottom .status::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; box-shadow: 0 0 8px currentColor; }

/* ===== Legal pages ===== */
.legal { padding-block: var(--space-16); }
.legal__wrapper { max-width: 780px; margin-inline: auto; }
.legal__breadcrumb { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-muted); letter-spacing: 0.05em; margin-bottom: var(--space-6); }
.legal__breadcrumb a { color: var(--color-text-muted); }
.legal__breadcrumb a:hover { color: var(--color-text-primary); }
.legal__title { font-size: var(--text-4xl); margin-bottom: var(--space-4); letter-spacing: -0.03em; }
.legal__updated { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-12); padding-bottom: var(--space-6); border-bottom: 1px solid var(--color-border); }
.legal h2 { font-size: var(--text-2xl); margin-top: var(--space-12); margin-bottom: var(--space-4); letter-spacing: -0.02em; }
.legal h2::before { content: attr(data-idx) '  '; color: var(--color-text-muted); font-family: var(--font-mono); font-size: 0.7em; font-weight: var(--weight-regular); letter-spacing: 0.1em; }
.legal h3 { font-size: var(--text-lg); margin-top: var(--space-8); margin-bottom: var(--space-3); color: var(--color-text-primary); }
.legal p, .legal li { color: var(--color-text-secondary); line-height: var(--leading-relaxed); margin-bottom: var(--space-4); font-size: var(--text-base); }
.legal ul, .legal ol { padding-left: var(--space-6); margin-bottom: var(--space-4); }
.legal li { margin-bottom: var(--space-2); }
.legal strong { color: var(--color-text-primary); }
.legal a { color: var(--color-text-primary); border-bottom: 1px solid var(--color-border-strong); text-decoration: none; }
.legal a:hover { border-color: var(--color-accent); color: var(--color-accent-hover); }

/* ===== Skip link ===== */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-accent);
  color: #fff;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 200;
  transition: top var(--transition-base);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}
.skip-link:focus { top: var(--space-4); color: #fff; }