/* ============================================================
   FRANKBRUNO.COM.BR — Premium Portfolio
   Design: DESIGN_VARIANCE:8 · MOTION_INTENSITY:6 · VISUAL_DENSITY:4
   Font: Satoshi · Icons: Phosphor · Accent: Emerald
   ============================================================ */

/* ——— DESIGN TOKENS ——— */
:root {
  /* Palette */
  --bg:          #09090b;
  --bg-2:        #111116;
  --bg-3:        #18181c;
  --border:      rgba(255, 255, 255, 0.07);
  --border-hov:  rgba(255, 255, 255, 0.14);
  --accent:      #10b981;
  --accent-dim:  rgba(16, 185, 129, 0.12);
  --accent-glow: rgba(16, 185, 129, 0.28);
  --text-1:      #fafafa;
  --text-2:      #a1a1aa;
  --text-3:      #52525b;

  /* Typography */
  --font: 'Satoshi', system-ui, -apple-system, sans-serif;

  /* Layout */
  --max-w:    1280px;
  --px:       1.5rem;
  --section:  7rem;

  /* Shape */
  --radius:    1.25rem;
  --radius-sm: 0.625rem;
  --radius-lg: 2rem;

  /* Motion — cubic-bezier premium ease */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --t:    0.35s var(--ease);
}

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

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { line-height: 1.1; letter-spacing: -0.03em; font-weight: 700; }

/* ——— CONTAINER ——— */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--px);
}

/* ——— SCROLL ANIMATION ——— */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ——— BUTTONS ——— */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: var(--t);
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn--primary {
  background: var(--accent);
  color: #09090b;
  border-color: var(--accent);
}
.btn--primary:hover {
  background: #0ea872;
  transform: translateY(-1px);
  box-shadow: 0 10px 28px var(--accent-glow);
}
.btn--primary:active { transform: scale(0.98); }

.btn--ghost {
  background: transparent;
  color: var(--text-2);
  border-color: var(--border);
}
.btn--ghost:hover {
  border-color: var(--border-hov);
  color: var(--text-1);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--text-1);
  border-color: var(--border);
  padding: 0.625rem 1.25rem;
}
.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--sm  { padding: 0.625rem 1.25rem; font-size: 0.875rem; }
.btn--full { width: 100%; justify-content: center; }

/* ——— BADGE ——— */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
}
.badge--glow {
  background: var(--accent-dim);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--accent);
}

/* ——— HELPERS ——— */
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.section-title {
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--text-1);
}
.section-desc {
  font-size: 1.0625rem;
  color: var(--text-2);
  max-width: 52ch;
  line-height: 1.75;
  margin-top: 0.875rem;
}
.section-header { margin-bottom: 3.5rem; }

.tag {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.8125rem;
  color: var(--text-2);
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  background: rgba(9, 9, 11, 0.45);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.04);
  transition: background var(--t), border-color var(--t), backdrop-filter var(--t);
}
.nav.scrolled {
  background: rgba(9, 9, 11, 0.82);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom-color: rgba(255, 255, 255, 0.09);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.25rem var(--px);
  max-width: var(--max-w);
  margin: 0 auto;
}

.nav__logo {
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: -0.04em;
  color: var(--text-1);
  flex-shrink: 0;
}

.nav__links {
  display: none;
  gap: 2rem;
  margin-left: auto;
}
.nav__links a {
  font-size: 0.9375rem;
  color: var(--text-2);
  transition: color var(--t);
}
.nav__links a:hover { color: var(--text-1); }

.nav__cta { display: none; }

.nav__toggle {
  display: flex;
  align-items: center;
  color: var(--text-1);
  font-size: 1.5rem;
  padding: 0.25rem;
}

.nav__mobile {
  display: none;
  padding: 1.5rem var(--px);
  border-top: 1px solid var(--border);
  background: rgba(9, 9, 11, 0.97);
  backdrop-filter: blur(16px);
}
.nav__mobile.open { display: block; }
.nav__mobile ul { display: flex; flex-direction: column; gap: 1.25rem; }
.nav__mobile a {
  font-size: 1.125rem;
  color: var(--text-2);
  transition: color var(--t);
}
.nav__mobile a:hover { color: var(--text-1); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 0 4rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 65% 60% at 88% 12%, rgba(16, 185, 129, 0.12) 0%, transparent 52%),
    radial-gradient(ellipse 40% 50% at 5% 88%, rgba(16, 185, 129, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse 30% 30% at 50% 50%, rgba(16, 185, 129, 0.03) 0%, transparent 60%);
  animation: hero-breathe 7s ease-in-out infinite alternate;
}
@keyframes hero-breathe {
  0%   { opacity: 0.65; }
  100% { opacity: 1; }
}

.hero__noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.hero__badge { margin-bottom: 1.5rem; }

.hero__name {
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--text-1);
  margin-bottom: 1.25rem;
}

.hero__headline {
  font-size: clamp(1.125rem, 2.5vw, 1.4375rem);
  font-weight: 500;
  color: var(--text-2);
  max-width: 44ch;
  line-height: 1.45;
  letter-spacing: -0.02em;
  margin-bottom: 1.125rem;
}

.hero__sub {
  font-size: 1rem;
  color: var(--text-3);
  max-width: 52ch;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.hero__ctas {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 2.5rem;
}

.hero__credentials {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem 0.625rem;
  font-size: 0.8125rem;
  color: var(--text-3);
}
.hero__credentials .sep { color: var(--border-hov); }

/* Visual */
.hero__visual {
  display: none;
  position: relative;
  align-items: center;
  justify-content: center;
  min-height: 360px;
}

.hero__orb {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(16, 185, 129, 0.22) 0%, transparent 70%);
  filter: blur(45px);
  animation: orb-float 5.5s ease-in-out infinite;
}
@keyframes orb-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-22px); }
}

.hero__rings {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.ring--1 { width: 200px; height: 200px; animation: spin 22s linear infinite; }
.ring--2 { width: 320px; height: 320px; animation: spin 34s linear infinite reverse; border-style: dashed; opacity: 0.7; }
.ring--3 { width: 420px; height: 420px; animation: spin 48s linear infinite; opacity: 0.4; }
@keyframes spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to   { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero__float {
  position: absolute;
}
.hero__float--top  { top: 8%; right: 0; }
.hero__float--bottom { bottom: 8%; left: 0; }

.stat-card {
  background: rgba(17, 17, 22, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 1rem 1.375rem;
  animation: card-float 4.5s ease-in-out infinite;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 20px 40px -10px rgba(0,0,0,0.45);
}
.hero__float--bottom .stat-card { animation-delay: -2.2s; }
.stat-card--sm { padding: 0.75rem 1rem; }

@keyframes card-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-9px); }
}

.stat-card__value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
}
.stat-card--sm .stat-card__value { font-size: 1.25rem; }
.stat-card__label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-3);
  margin-top: 0.25rem;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.375rem;
  color: var(--text-3);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: pulse-scroll 2.5s ease-in-out infinite;
  z-index: 1;
}
@keyframes pulse-scroll {
  0%, 100% { opacity: 0.35; }
  50%       { opacity: 0.9; }
}

/* ============================================================
   SOBRE
   ============================================================ */
.about {
  padding: var(--section) 0;
  border-top: 1px solid var(--border);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.about__portrait {
  width: min(100%, 340px);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 28px 60px -28px rgba(0, 0, 0, 0.9);
  margin-bottom: 2rem;
}

.about__quote {
  font-size: clamp(1.0625rem, 2.5vw, 1.3125rem);
  font-weight: 500;
  color: var(--text-1);
  line-height: 1.6;
  letter-spacing: -0.025em;
  margin-bottom: 2rem;
  border-left: 2px solid var(--accent);
  padding-left: 1.375rem;
}

.about__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.about__title {
  font-size: clamp(1.625rem, 4vw, 2.375rem);
  margin-bottom: 1.75rem;
  margin-top: 0.25rem;
}

.about__bio { display: flex; flex-direction: column; gap: 1rem; }
.about__bio p {
  font-size: 1.0625rem;
  color: var(--text-2);
  line-height: 1.8;
  max-width: 55ch;
}

.about__pillars-mini {
  display: flex;
  gap: 2.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.pillar-mini {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-2);
  font-size: 0.875rem;
  font-weight: 500;
}
.pillar-mini i { font-size: 1.5rem; color: var(--accent); }

/* ============================================================
   DIFERENCIAIS
   ============================================================ */
.differentials {
  padding: 4rem 0;
  border-top: 1px solid var(--border);
  background: rgba(17, 17, 22, 0.7);
  backdrop-filter: blur(8px);
}

.differentials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.375rem;
}

.differential-item {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
}
.differential-item i {
  font-size: 1.25rem;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 0.1rem;
}
.differential-item p {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.65;
}

/* ============================================================
   SERVIÇOS
   ============================================================ */
.services {
  padding: var(--section) 0;
  border-top: 1px solid var(--border);
}

.services__bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.875rem;
}

.services__visual {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(17, 17, 22, 0.55);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.07),
    0 28px 70px -34px rgba(0, 0, 0, 0.85);
  margin-bottom: 1rem;
}

.services__visual img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.service-card {
  background: rgba(17, 17, 22, 0.55);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--t);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.07),
    0 20px 40px -16px rgba(0, 0, 0, 0.28);
}
.service-card:hover {
  border-color: rgba(255, 255, 255, 0.13);
  background: rgba(24, 24, 30, 0.7);
  transform: translateY(-3px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.09),
    0 28px 56px -20px rgba(0, 0, 0, 0.4);
}

.service-card__icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.625rem;
  background: var(--accent-dim);
  border: 1px solid rgba(16, 185, 129, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.service-card__icon i { font-size: 1.375rem; color: var(--accent); }

.service-card h3 {
  font-size: 1.1875rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
  color: var(--text-1);
}
.service-card p {
  font-size: 0.9375rem;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}
.service-card__benefit {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  padding-top: 1.125rem;
  border-top: 1px solid var(--border);
}

/* ============================================================
   PROJETOS
   ============================================================ */
.projects {
  padding: var(--section) 0;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}

.projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.projects__visual {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(22, 22, 28, 0.6);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.07),
    0 28px 70px -34px rgba(0, 0, 0, 0.85);
  margin: -1.5rem 0 1rem;
}

.projects__visual img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.project-card {
  background: rgba(22, 22, 28, 0.6);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--t);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.07),
    0 24px 48px -16px rgba(0, 0, 0, 0.32);
}
.project-card:hover {
  border-color: rgba(255, 255, 255, 0.14);
  transform: translateY(-3px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 32px 60px -20px rgba(0, 0, 0, 0.44);
}

.project-card--featured {
  border-color: rgba(16, 185, 129, 0.18);
  box-shadow:
    inset 0 1px 0 rgba(16, 185, 129, 0.1),
    0 0 0 1px rgba(16, 185, 129, 0.06),
    0 24px 48px -16px rgba(0, 0, 0, 0.35);
}
.project-card--featured:hover {
  border-color: rgba(16, 185, 129, 0.3);
  box-shadow:
    inset 0 1px 0 rgba(16, 185, 129, 0.14),
    0 0 0 1px rgba(16, 185, 129, 0.1),
    0 32px 60px -20px rgba(0, 0, 0, 0.44);
}

.project-card__tagline {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}

.project-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.125rem;
}
.project-card__tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}
.project-card__link {
  width: 2rem; height: 2rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-2);
  font-size: 0.9rem;
  transition: var(--t);
  flex-shrink: 0;
}
.project-card__link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.project-card__name {
  font-size: 1.5625rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--text-1);
  margin-bottom: 1rem;
}
.project-card--featured .project-card__name {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
}

.project-card__problem,
.project-card__result {
  font-size: 0.9375rem;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 0.875rem;
}
.project-card__problem strong,
.project-card__result strong {
  color: var(--text-1);
  font-weight: 600;
}

.project-card__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.project-card__stack span {
  font-size: 0.75rem;
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-3);
}

/* ============================================================
   AUTORIDADE
   ============================================================ */
.authority {
  padding: var(--section) 0;
  border-top: 1px solid var(--border);
}

.authority__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.authority__stat {
  padding: 1.75rem;
  background: rgba(17, 17, 22, 0.55);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.07),
    0 16px 32px -12px rgba(0, 0, 0, 0.25);
  transition: var(--t);
}
.authority__stat:hover {
  border-color: rgba(255, 255, 255, 0.13);
  transform: translateY(-2px);
}

.authority__number {
  display: block;
  font-size: clamp(1.625rem, 4vw, 2.375rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 0.625rem;
}
.authority__desc {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.55;
}

.authority__credentials {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.875rem;
}

.credential {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.125rem 1.25rem;
  background: rgba(17, 17, 22, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  transition: var(--t);
}
.credential:hover {
  border-color: rgba(255, 255, 255, 0.13);
  background: rgba(24, 24, 30, 0.65);
}
.credential i { font-size: 1.25rem; color: var(--accent); flex-shrink: 0; }
.credential span { font-size: 0.9375rem; color: var(--text-2); }

/* ============================================================
   VÍDEOS COM IA
   ============================================================ */
.video-lab {
  padding: var(--section) 0;
  border-top: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(245, 158, 11, 0.06) 46%, rgba(244, 114, 182, 0.035)),
    var(--bg);
}

.video-lab__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.video-lab__title {
  font-size: clamp(1.875rem, 4.5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  max-width: 760px;
}

.video-lab__desc {
  font-size: 1.0625rem;
  color: var(--text-2);
  line-height: 1.8;
  max-width: 64ch;
  margin-top: 1.125rem;
}

.video-lab__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.875rem;
  margin: 2rem 0;
}

.video-lab__stats div {
  padding: 1.25rem;
  background: rgba(17, 17, 22, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.video-lab__stats span {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #fbbf24;
}

.video-lab__stats p {
  margin-top: 0.375rem;
  color: var(--text-3);
  font-size: 0.875rem;
}

.video-lab__visual {
  position: relative;
}

.video-lab__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: #111116;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 30px 70px -30px rgba(0, 0, 0, 0.85);
}

.video-lab__frame {
  position: relative;
  overflow: hidden;
  min-height: 460px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    #111116;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 30px 70px -30px rgba(0, 0, 0, 0.85);
}

.video-lab__scene {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.video-lab__scene--top {
  inset: 1.25rem 1.25rem auto;
  height: 4.25rem;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
  border: none;
}

.video-lab__scene--top span {
  display: block;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.09);
  background:
    linear-gradient(135deg, rgba(16, 185, 129, 0.24), rgba(251, 191, 36, 0.13)),
    #18181c;
}

.video-lab__scene--top span:nth-child(2) {
  background:
    linear-gradient(135deg, rgba(251, 191, 36, 0.24), rgba(244, 114, 182, 0.13)),
    #18181c;
}

.video-lab__scene--top span:nth-child(3) {
  background:
    linear-gradient(135deg, rgba(125, 211, 252, 0.24), rgba(16, 185, 129, 0.13)),
    #18181c;
}

.video-lab__scene--main {
  inset: 6.5rem 1.25rem 5.75rem;
  background:
    radial-gradient(circle at 50% 14%, rgba(255, 255, 255, 0.96) 0 3.75rem, transparent 3.85rem),
    linear-gradient(180deg, rgba(125, 211, 252, 0.45), rgba(16, 185, 129, 0.08) 54%, rgba(9, 9, 11, 0.95)),
    #111116;
}

.video-lab__sun {
  position: absolute;
  left: 50%;
  top: 2.25rem;
  width: 9rem;
  height: 9rem;
  transform: translateX(-50%);
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 50%;
  box-shadow: 0 0 70px rgba(251, 191, 36, 0.32);
}

.video-lab__figure {
  position: absolute;
  left: 50%;
  bottom: 4.75rem;
  width: 4.25rem;
  height: 8.5rem;
  transform: translateX(-50%);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(251, 191, 36, 0.72));
  clip-path: polygon(50% 0, 68% 18%, 86% 46%, 68% 100%, 32% 100%, 14% 46%, 32% 18%);
  filter: drop-shadow(0 0 18px rgba(251, 191, 36, 0.4));
}

.video-lab__figure::before,
.video-lab__figure::after {
  content: "";
  position: absolute;
  top: 1.8rem;
  width: 5.5rem;
  height: 5rem;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.16);
}

.video-lab__figure::before {
  right: 2.65rem;
  transform: rotate(-20deg);
}

.video-lab__figure::after {
  left: 2.65rem;
  transform: rotate(20deg);
}

.video-lab__ground {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4.5rem;
  background:
    linear-gradient(135deg, rgba(16, 185, 129, 0.52), rgba(251, 191, 36, 0.2)),
    #101412;
}

.video-lab__timeline {
  position: absolute;
  left: 1.25rem;
  right: 1.25rem;
  bottom: 1.25rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 0.8fr 1.2fr 0.9fr;
  gap: 0.45rem;
}

.video-lab__timeline span {
  height: 2rem;
  border-radius: 0.375rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.09);
}

.video-lab__timeline span:nth-child(1),
.video-lab__timeline span:nth-child(4) {
  background: rgba(251, 191, 36, 0.2);
}

.video-lab__timeline span:nth-child(3) {
  background: rgba(244, 114, 182, 0.17);
}

.video-lab__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.875rem;
  margin-top: 2.5rem;
}

.video-lab__step {
  padding: 1.5rem;
  background: rgba(17, 17, 22, 0.52);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.video-lab__step i {
  display: inline-flex;
  margin-bottom: 1rem;
  font-size: 1.45rem;
  color: #fbbf24;
}

.video-lab__step h3 {
  font-size: 1.125rem;
  letter-spacing: -0.03em;
}

.video-lab__step p {
  margin-top: 0.625rem;
  color: var(--text-2);
  line-height: 1.65;
  font-size: 0.9375rem;
}

/* ============================================================
   PILARES
   ============================================================ */
.pillars {
  padding: var(--section) 0;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}

.pillars__grid {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  gap: 1px;
}

.pillar-card {
  background: rgba(17, 17, 22, 0.55);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  padding: 2.5rem 2rem;
  transition: background var(--t);
}
.pillar-card:hover {
  background: rgba(24, 24, 30, 0.7);
}

.pillar-card__num {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 1rem;
}
.pillar-card__title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.875rem;
}
.pillar-card__text {
  font-size: 0.9375rem;
  color: var(--text-2);
  line-height: 1.75;
  max-width: 36ch;
}

/* ============================================================
   POSICIONAMENTO
   ============================================================ */
.positioning {
  padding: var(--section) 0;
  border-top: 1px solid var(--border);
}

.positioning__inner { max-width: 800px; }

.positioning__title {
  font-size: clamp(1.25rem, 2.8vw, 1.875rem);
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.5;
  letter-spacing: -0.03em;
  margin: 1rem 0 1.25rem;
}
.positioning__sub {
  font-size: 1.0625rem;
  color: var(--text-2);
  max-width: 55ch;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

/* ============================================================
   CONTATO
   ============================================================ */
.contact {
  padding: var(--section) 0;
  border-top: 1px solid var(--border);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.contact__title {
  font-size: clamp(1.75rem, 4vw, 2.625rem);
  margin: 0.75rem 0 1rem;
}
.contact__desc {
  font-size: 1.0625rem;
  color: var(--text-2);
  line-height: 1.8;
  max-width: 44ch;
  margin-bottom: 2rem;
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}
.contact__link {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--text-2);
  font-size: 0.9375rem;
  transition: color var(--t);
}
.contact__link:hover { color: var(--text-1); }
.contact__link i { font-size: 1.125rem; color: var(--accent); }

.contact__note {
  font-size: 0.875rem;
  color: var(--text-3);
  font-style: italic;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-2);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  background: rgba(17, 17, 22, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  font-size: 0.9375rem;
  outline: none;
  resize: vertical;
  transition: border-color var(--t), box-shadow var(--t);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-3); }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2352525b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1rem;
}
.form-group select option { background: var(--bg-2); }

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

/* Success state */
.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 3rem 2rem;
  gap: 1rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.form-success i { font-size: 3rem; color: var(--accent); }
.form-success h3 { font-size: 1.375rem; }
.form-success p { color: var(--text-2); max-width: 40ch; line-height: 1.7; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
}

.footer__top {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  margin-bottom: 2rem;
}

.footer__name {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
}
.footer__tagline {
  font-size: 0.9375rem;
  color: var(--text-3);
}

.footer__social {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}
.footer__social a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  color: var(--text-3);
  transition: color var(--t);
}
.footer__social a:hover { color: var(--text-1); }
.footer__social i { font-size: 1.125rem; }

.footer__divider {
  height: 1px;
  background: var(--border);
  margin-bottom: 1.5rem;
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.footer__copy {
  font-size: 0.8125rem;
  color: var(--text-3);
}
.footer__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 600;
  transition: gap var(--t);
}
.footer__cta:hover { gap: 0.625rem; }

/* ============================================================
   BREAKPOINTS — mobile first
   ============================================================ */

/* ——— 640px: sm ——— */
@media (min-width: 640px) {
  .differentials__grid { grid-template-columns: 1fr 1fr; }
  .authority__credentials { grid-template-columns: 1fr 1fr; }
  .video-lab__stats { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr 1fr; }
  .footer__social { flex-direction: row; gap: 2rem; }
}

/* ——— 768px: md ——— */
@media (min-width: 768px) {
  :root { --px: 2rem; }

  .nav__links  { display: flex; }
  .nav__cta    { display: inline-flex; }
  .nav__toggle { display: none; }

  .hero__ctas { flex-direction: row; }

  .about__grid { grid-template-columns: 1fr 1.45fr; gap: 5rem; }

  .projects__grid { grid-template-columns: 1fr 1fr; }
  .projects__grid .project-card--featured { grid-column: span 2; }

  .video-lab__steps { grid-template-columns: 1fr 1fr 1fr; }

  .pillars__grid { grid-template-columns: 1fr 1fr 1fr; }

  .contact__grid { grid-template-columns: 1fr 1.5fr; gap: 5rem; }

  .footer__top {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* ——— 1024px: lg ——— */
@media (min-width: 1024px) {
  :root {
    --px:      3rem;
    --section: 8rem;
  }

  .hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
  }
  .hero__visual { display: flex; }
  .hero__ctas   { flex-direction: row; }

  .services__bento { grid-template-columns: 1fr 1fr 1fr; }
  .service-card--wide { grid-column: span 2; }

  .video-lab__grid { grid-template-columns: 1fr 0.82fr; gap: 4.5rem; }

  .services__visual img,
  .projects__visual img {
    aspect-ratio: 16 / 5;
  }

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

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

/* ——— 1280px: xl ——— */
@media (min-width: 1280px) {
  :root { --px: 4rem; }
}

/* ============================================================
   MODAL — SUCCESS
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(9, 9, 11, 0.88);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease);
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  position: relative;
  width: 100%;
  max-width: 480px;
  background: rgba(15, 15, 20, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -1px 0 rgba(255, 255, 255, 0.03),
    0 0 0 1px rgba(255, 255, 255, 0.04),
    0 48px 96px -24px rgba(0, 0, 0, 0.75);
  transform: translateY(28px) scale(0.95);
  transition: transform 0.5s var(--ease);
}
.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}

.modal__close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  font-size: 1rem;
  transition: var(--t);
}
.modal__close:hover {
  border-color: var(--border-hov);
  color: var(--text-1);
  background: rgba(255, 255, 255, 0.04);
}

.modal__icon {
  width: 3.75rem;
  height: 3.75rem;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid rgba(16, 185, 129, 0.28);
  box-shadow:
    inset 0 1px 0 rgba(16, 185, 129, 0.15),
    0 0 24px rgba(16, 185, 129, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  animation: icon-pop 0.65s var(--ease) both;
}
.modal__icon i { font-size: 1.875rem; color: var(--accent); }

@keyframes icon-pop {
  0%   { transform: scale(0.4); opacity: 0; }
  65%  { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

.modal__title {
  font-size: clamp(1.5rem, 4vw, 1.875rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 0.875rem;
}

.modal__body {
  font-size: 0.9375rem;
  color: var(--text-2);
  line-height: 1.75;
  max-width: 42ch;
  margin-bottom: 1.75rem;
}

.modal__steps {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 2rem;
  padding: 1.375rem 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
}

.modal__steps-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.25rem;
}

.modal__step {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.modal__step-num {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  flex-shrink: 0;
  width: 1.5rem;
}
.modal__step-text {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.4;
}

.modal__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.modal__social {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-3);
  transition: color var(--t);
}
.modal__social:hover { color: var(--text-1); }
.modal__social i { color: var(--accent); font-size: 1.0625rem; }

/* ——— Form loading state ——— */
.btn-spin {
  display: inline-block;
  animation: btn-spin 0.7s linear infinite;
}
@keyframes btn-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.form-error {
  font-size: 0.875rem;
  color: #f87171;
  padding: 0.875rem 1rem;
  background: rgba(248, 113, 113, 0.07);
  border: 1px solid rgba(248, 113, 113, 0.2);
  border-radius: var(--radius-sm);
  line-height: 1.5;
}