/* ==========================================================================
   J&G — Design tokens
   ========================================================================== */
:root {
  /* Colors (brief palette) */
  --bg-primary: #030405;
  --bg-secondary: #080B0D;
  --green: #C2FF33;
  --green-secondary: #A8FF1A;
  --white: #FFFFFF;
  --gray: #8C9396;

  /* Derived surfaces / accents */
  --bg-tertiary: #0F1417;
  --surface: #0C1112;
  --surface-raised: #11181A;
  --border: rgba(194, 255, 51, 0.12);
  --border-soft: rgba(255, 255, 255, 0.08);
  --gray-dark: #4A5054;
  --green-glow: rgba(194, 255, 51, 0.35);
  --green-dim: rgba(194, 255, 51, 0.08);

  /* Typography */
  --font-display: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Type scale (fluid) */
  --fs-hero: clamp(2.6rem, 5.4vw + 1rem, 5.4rem);
  --fs-h2: clamp(1.9rem, 2.6vw + 1rem, 3.2rem);
  --fs-h3: clamp(1.15rem, 0.6vw + 1rem, 1.4rem);
  --fs-lead: clamp(1rem, 0.4vw + 0.9rem, 1.2rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;

  /* Spacing / layout */
  --container-w: 1280px;
  --section-pad: clamp(4.5rem, 8vw, 8rem);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 0.2s;
  --dur-med: 0.45s;
  --dur-slow: 0.9s;
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--white);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
input, select { font: inherit; color: inherit; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

::selection { background: var(--green); color: var(--bg-primary); }

.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

/* subtle grain for texture / precision feel */
.grain-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ==========================================================================
   Typography helpers
   ========================================================================== */
.eyebrow, .section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
}
.eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulseDot 2.4s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-top: 0.9rem;
  max-width: 22ch;
}
.section-lead {
  font-size: var(--fs-lead);
  color: var(--gray);
  max-width: 52ch;
  margin-top: 1.1rem;
}
.mono { font-family: var(--font-mono); }

.text-gradient {
  background: linear-gradient(100deg, var(--green) 10%, var(--green-secondary) 55%, #E9FFB0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.7rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.btn svg { width: 18px; height: 18px; transition: transform var(--dur-fast) var(--ease-out); }

.btn-primary {
  background: var(--green);
  color: #0A1000;
  box-shadow: 0 0 0 rgba(194,255,51,0);
}
.btn-primary:hover {
  background: var(--green-secondary);
  box-shadow: 0 8px 30px -6px var(--green-glow);
  transform: translateY(-2px);
}
.btn-primary:hover svg { transform: translateX(3px); }
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border-soft);
}
.btn-ghost:hover {
  border-color: var(--green);
  color: var(--green);
  transform: translateY(-2px);
}

.btn-full { width: 100%; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  padding-block: 1.4rem;
  transition: padding var(--dur-med) var(--ease-out), background var(--dur-med) var(--ease-out), border-color var(--dur-med) var(--ease-out), backdrop-filter var(--dur-med) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  padding-block: 0.85rem;
  background: rgba(3, 4, 5, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--border-soft);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.logo-mark { width: 30px; height: 30px; }
.logo-mark svg { animation: spinSlow 18s linear infinite; transform-origin: center; }
@keyframes spinSlow { to { transform: rotate(360deg); } }
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.logo-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.03em;
}
.logo-sub {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray);
}
@media (max-width: 480px) {
  .logo-sub { display: none; }
}

.main-nav { display: flex; align-items: center; gap: clamp(1.2rem, 2.2vw, 2.4rem); }
.main-nav ul { display: flex; gap: clamp(1rem, 1.8vw, 2rem); }
.nav-link {
  position: relative;
  font-size: 0.92rem;
  color: var(--gray);
  transition: color var(--dur-fast);
  padding-block: 0.25rem;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--green);
  transition: width var(--dur-med) var(--ease-out);
}
.nav-link:hover { color: var(--white); }
.nav-link:hover::after { width: 100%; }

.btn-nav { padding: 0.7rem 1.35rem; font-size: 0.88rem; }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  z-index: 501;
}
.menu-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--dur-med) var(--ease-in-out), opacity var(--dur-fast), background var(--dur-fast);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--green); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--green); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: clamp(6rem, 10vh, 8rem);
  padding-bottom: 4rem;
  isolation: isolate;
}
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: -2;
}
.hero-vignette {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(194,255,51,0.10), transparent 60%),
    radial-gradient(ellipse 90% 60% at 50% 100%, rgba(0,0,0,0.9), transparent 70%),
    linear-gradient(180deg, transparent 0%, var(--bg-primary) 96%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
}

.eyebrow { margin-bottom: 1.4rem; }
.hero-title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 600;
  line-height: 1.03;
  letter-spacing: -0.02em;
}
.hero-sub {
  margin-top: 1.6rem;
  font-size: var(--fs-lead);
  color: var(--gray);
  max-width: 46ch;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.2rem;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 1.8rem);
  margin-top: 3rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--border-soft);
  max-width: 34rem;
}
.trust-item { display: flex; flex-direction: column; gap: 0.15rem; }
.trust-item strong { font-family: var(--font-display); font-size: 1.4rem; color: var(--green); }
.trust-item span { font-size: 0.78rem; color: var(--gray); }
.trust-divider { width: 1px; height: 28px; background: var(--border-soft); }

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-plant { width: 100%; height: auto; max-width: 560px; }

.panel-sheen {
  transform: translateX(-140%) skewX(-15deg);
  animation: sheenSweep 5s ease-in-out infinite;
  animation-delay: 1.2s;
}
.panel-sheen-delay { animation-delay: 2.4s; }
@keyframes sheenSweep {
  0%, 55%, 100% { transform: translateX(-140%) skewX(-15deg); opacity: 0; }
  10% { opacity: 0.9; }
  30% { transform: translateX(60%) skewX(-15deg); opacity: 0; }
}

#sunRays { animation: raysPulse 3.6s ease-in-out infinite; transform-origin: 470px 120px; }
@keyframes raysPulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.95; transform: scale(1.08); }
}
#sunGroup circle:first-child { animation: sunBreathe 5s ease-in-out infinite; transform-origin: 470px 120px; }
@keyframes sunBreathe {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.75; }
}
#energyPath { stroke-dashoffset: 0; animation: flowDash 1.6s linear infinite; }
@keyframes flowDash { to { stroke-dashoffset: -20; } }

.hud-card {
  position: absolute;
  background: rgba(10, 14, 15, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 168px;
  box-shadow: 0 12px 40px -12px rgba(0,0,0,0.6);
  animation: floatCard 5s ease-in-out infinite;
}
.hud-top { top: 4%; right: 2%; animation-delay: 0.2s; }
.hud-bottom { bottom: 6%; left: 0%; animation-delay: 1.1s; }
@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.hud-label { font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--gray); }
.hud-value { font-family: var(--font-mono); font-size: 1.35rem; font-weight: 700; color: var(--green); }
.hud-bar { display: block; width: 100%; height: 3px; background: var(--border-soft); border-radius: 2px; overflow: hidden; margin-top: 0.15rem; }
.hud-bar-fill { display: block; height: 100%; width: 0%; background: linear-gradient(90deg, var(--green), var(--green-secondary)); transition: width 0.6s var(--ease-out); }

.scroll-cue {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
}
.scroll-cue-line { width: 1px; height: 34px; background: linear-gradient(180deg, var(--green), transparent); animation: scrollLine 1.8s ease-in-out infinite; }
@keyframes scrollLine {
  0% { transform: scaleY(0.3); transform-origin: top; opacity: 0.3; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(0.3); transform-origin: bottom; opacity: 0.3; }
}

/* ==========================================================================
   Stats band
   ========================================================================== */
.stats-band {
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg-secondary);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding-block: clamp(2.5rem, 5vw, 3.5rem);
}
.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding-inline: 1rem;
  border-left: 1px solid var(--border-soft);
  text-align: center;
}
.stat-item:first-child { border-left: none; }
.stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--green);
}
.stat-label { font-size: 0.82rem; color: var(--gray); }

/* ==========================================================================
   Sections generic
   ========================================================================== */
.section { padding-block: var(--section-pad); }
.section-alt { background: var(--bg-secondary); }

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   Solutions cards
   ========================================================================== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.tilt-card {
  perspective: 1000px;
}
.tilt-card-inner {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 2.2rem 1.8rem;
  height: 100%;
  transition: transform var(--dur-fast) var(--ease-out), border-color var(--dur-med), box-shadow var(--dur-med);
  transform-style: preserve-3d;
  will-change: transform;
}
.tilt-card-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 50% 0%, var(--green-dim), transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-med);
  pointer-events: none;
}
.tilt-card:hover .tilt-card-inner {
  border-color: var(--border);
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.7);
}
.tilt-card:hover .tilt-card-inner::before { opacity: 1; }

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--green-dim);
  margin-bottom: 1.4rem;
}
.tilt-card h3 { font-family: var(--font-display); font-size: var(--fs-h3); font-weight: 600; margin-bottom: 0.7rem; }
.tilt-card p { color: var(--gray); font-size: 0.94rem; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.4rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--green);
}
.card-link span { transition: transform var(--dur-fast) var(--ease-out); }
.card-link:hover span { transform: translateX(4px); }

/* ==========================================================================
   Process
   ========================================================================== */
.process-list {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.process-step {
  position: relative;
  padding: 2rem 1.4rem 1.6rem;
  border-top: 2px solid var(--border-soft);
  transition: border-color var(--dur-med);
}
.process-step:hover { border-top-color: var(--green); }
.process-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--green);
  margin-bottom: 1rem;
}
.process-body h3 { font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 0.6rem; }
.process-body p { color: var(--gray); font-size: 0.92rem; }

/* ==========================================================================
   Gallery (usinas / inversor)
   ========================================================================== */
.gallery-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  grid-auto-flow: dense;
  gap: 1.1rem;
}
.gallery-item-large { grid-column: span 2; grid-row: span 2; }

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  background: var(--surface);
  margin: 0;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.6s var(--ease-out), filter var(--dur-med);
  filter: saturate(1.02) contrast(1.02);
}
.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(3, 4, 5, 0.85) 100%);
  pointer-events: none;
}
.gallery-item:hover img { transform: scale(1.06); }

.gallery-item figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 1;
  padding: 1.1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.gallery-tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  background: rgba(3, 4, 5, 0.55);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.25rem 0.65rem;
}
.gallery-caption {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--white);
}
.gallery-item-large .gallery-caption { font-size: 1.2rem; }

/* ==========================================================================
   Simulator
   ========================================================================== */
.simulator-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  background: linear-gradient(160deg, var(--surface) 0%, var(--bg-secondary) 100%);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
}

.simulator-field { margin-top: 2.4rem; }
.simulator-field label {
  display: block;
  font-size: 0.82rem;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.6rem;
}
.simulator-field-value {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--green);
  margin-bottom: 1rem;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--green) 0%, var(--green) var(--fill, 50%), rgba(255,255,255,0.1) var(--fill, 50%));
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--white);
  border: 4px solid var(--green);
  cursor: pointer;
  box-shadow: 0 0 0 6px rgba(194,255,51,0.12);
  transition: transform var(--dur-fast);
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.12); }
input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--white);
  border: 4px solid var(--green);
  cursor: pointer;
}
.range-scale { display: flex; justify-content: space-between; margin-top: 0.6rem; font-size: 0.75rem; color: var(--gray); }

.simulator-result {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.result-row { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding-bottom: 1rem; border-bottom: 1px dashed var(--border-soft); }
.result-row:nth-last-of-type(1) { border-bottom: none; padding-bottom: 0; }
.result-label { font-size: 0.85rem; color: var(--gray); }
.result-value { font-size: 1.15rem; font-weight: 700; }
.result-highlight { color: var(--green); font-size: 1.6rem; }
.simulator-note { font-size: 0.76rem; color: var(--gray-dark); margin-top: -0.4rem; }

/* ==========================================================================
   Features
   ========================================================================== */
.features-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.feature-item { padding: 1.6rem 0.4rem; }
.feature-num { display: inline-block; font-family: var(--font-mono); color: var(--green); font-size: 1.1rem; margin-bottom: 1rem; }
.feature-item h3 { font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 0.6rem; }
.feature-item p { font-size: 0.9rem; color: var(--gray); }

/* ==========================================================================
   Testimonials
   ========================================================================== */
.testimonial-track-wrap { margin-top: 3rem; overflow: hidden; position: relative; }
.testimonial-track-wrap::before, .testimonial-track-wrap::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 60px; z-index: 2; pointer-events: none;
}
.testimonial-track-wrap::before { left: 0; background: linear-gradient(90deg, var(--bg-primary), transparent); }
.testimonial-track-wrap::after { right: 0; background: linear-gradient(270deg, var(--bg-primary), transparent); }
.testimonial-track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
  animation: trackScroll 34s linear infinite;
}
.testimonial-track:hover { animation-play-state: paused; }
@keyframes trackScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.testimonial-card {
  width: min(380px, 80vw);
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  margin: 0;
  flex-shrink: 0;
}
.testimonial-card p { font-size: 0.98rem; color: var(--white); margin-bottom: 1.4rem; }
.testimonial-card footer { display: flex; flex-direction: column; gap: 0.15rem; }
.testimonial-card strong { font-size: 0.9rem; }
.testimonial-card span { font-size: 0.78rem; color: var(--green); }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-list { margin-top: 3rem; max-width: 760px; }
.faq-item { border-bottom: 1px solid var(--border-soft); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0.2rem;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 500;
  transition: color var(--dur-fast);
}
.faq-question:hover { color: var(--green); }
.faq-icon {
  position: relative;
  flex-shrink: 0;
  width: 20px; height: 20px;
}
.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--green);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  transition: transform var(--dur-med) var(--ease-in-out);
}
.faq-icon::before { width: 14px; height: 2px; }
.faq-icon::after { width: 2px; height: 14px; }
.faq-question[aria-expanded="true"] .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-med) var(--ease-in-out);
}
.faq-question[aria-expanded="true"] + .faq-answer { grid-template-rows: 1fr; }
.faq-answer p {
  overflow: hidden;
  color: var(--gray);
  font-size: 0.94rem;
  padding-bottom: 1.5rem;
  min-height: 0;
}
.faq-answer > p { grid-row: 1 / 2; }
.faq-answer { overflow: hidden; }

/* ==========================================================================
   CTA / Contact
   ========================================================================== */
.cta-section { position: relative; overflow: hidden; }
.cta-canvas { position: absolute; inset: 0; z-index: -1; opacity: 0.5; }
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.cta-list { margin-top: 1.8rem; display: flex; flex-direction: column; gap: 0.8rem; }
.cta-list li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--gray);
  font-size: 0.95rem;
}
.cta-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.5em;
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 2px;
  transform: rotate(45deg);
}

.whatsapp-cta-card {
  background: linear-gradient(160deg, var(--surface) 0%, var(--bg-secondary) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.4rem, 2.4vw, 1.8rem);
  display: grid;
  grid-template-columns: minmax(0, 190px) 1fr;
  gap: clamp(1.2rem, 2.2vw, 1.8rem);
  align-items: stretch;
  position: relative;
  overflow: hidden;
}
.whatsapp-cta-card::before {
  content: '';
  position: absolute;
  top: -30%; right: -20%;
  width: 260px; height: 260px;
  background: radial-gradient(circle, var(--green-glow), transparent 70%);
  opacity: 0.35;
  pointer-events: none;
}

.whatsapp-cta-video {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 9 / 16;
  background: #000;
  border: 1px solid var(--border-soft);
  box-shadow: 0 16px 40px -16px rgba(0,0,0,0.7);
}
.whatsapp-cta-video-el {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #000;
}
.whatsapp-cta-video-el::-webkit-media-controls-panel { display: none !important; }
.whatsapp-cta-video-el.is-playing::-webkit-media-controls-panel { display: flex !important; }

.whatsapp-cta-video-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(3, 4, 5, 0.28);
  transition: background var(--dur-fast), opacity var(--dur-med);
}
.whatsapp-cta-video-play svg {
  width: 30px; height: 30px;
  color: #0A1000;
  margin-left: 3px;
}
.whatsapp-cta-video-play::before {
  content: '';
  position: absolute;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 8px 24px -6px var(--green-glow);
  z-index: -1;
  transition: transform var(--dur-fast) var(--ease-out);
}
.whatsapp-cta-video-play {
  display: flex;
}
.whatsapp-cta-video-play:hover::before { transform: scale(1.08); }
.whatsapp-cta-video-play.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.whatsapp-cta-video-tag {
  position: absolute;
  top: 0.7rem; left: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--green);
  background: rgba(3, 4, 5, 0.6);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.25rem 0.6rem;
  pointer-events: none;
}

.whatsapp-cta-info {
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
  min-width: 0;
}

.whatsapp-cta-top {
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
}
.whatsapp-cta-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--green-dim);
  color: var(--green);
}
.whatsapp-cta-icon svg { width: 24px; height: 24px; }
.whatsapp-cta-top div { display: flex; flex-direction: column; gap: 0.15rem; min-width: 0; }
.whatsapp-cta-label { font-size: 0.8rem; color: var(--gray); }
.whatsapp-cta-name { font-family: var(--font-display); font-size: 1.05rem; font-weight: 600; }

.whatsapp-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 1.05rem 1.5rem;
  border-radius: var(--radius-md);
  background: var(--green);
  color: #0A1000;
  font-weight: 700;
  font-size: 1.02rem;
  position: relative;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), background var(--dur-fast);
}
.whatsapp-cta-btn svg { width: 22px; height: 22px; }
.whatsapp-cta-btn:hover {
  background: var(--green-secondary);
  box-shadow: 0 10px 34px -8px var(--green-glow);
  transform: translateY(-2px);
}

.whatsapp-cta-number {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.2rem;
  border-top: 1px dashed var(--border-soft);
}
.whatsapp-cta-number-label { font-size: 0.82rem; color: var(--gray); }
.whatsapp-cta-number-value { font-size: 1.05rem; font-weight: 700; color: var(--green); }
.whatsapp-cta-note { font-size: 0.78rem; color: var(--gray-dark); margin-top: -0.6rem; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { border-top: 1px solid var(--border-soft); padding-top: clamp(3rem, 6vw, 5rem); background: var(--bg-secondary); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}
.footer-brand p { color: var(--gray); font-size: 0.9rem; margin-top: 1rem; max-width: 30ch; }

.footer-col { display: flex; flex-direction: column; gap: 0.8rem; }
.footer-col h4 { font-family: var(--font-display); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--gray); margin-bottom: 0.4rem; }
.footer-col a { font-size: 0.9rem; color: var(--white); opacity: 0.85; transition: color var(--dur-fast); width: fit-content; }
.footer-col a:hover { color: var(--green); }
.footer-legal p { font-size: 0.85rem; color: var(--gray); margin: 0; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-block: 1.6rem;
  border-top: 1px solid var(--border-soft);
  font-size: 0.8rem;
  color: var(--gray-dark);
}

/* ==========================================================================
   Floating UI: back-to-top / whatsapp
   ========================================================================== */
.back-to-top, .whatsapp-float {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  width: 50px; height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 400;
  box-shadow: 0 8px 24px -8px rgba(0,0,0,0.6);
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-med), box-shadow var(--dur-fast);
}
.back-to-top {
  bottom: clamp(5.5rem, 12vh, 6.5rem);
  background: var(--surface-raised);
  border: 1px solid var(--border);
  color: var(--green);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
}
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); }
.back-to-top svg { width: 20px; height: 20px; }

.whatsapp-float {
  bottom: clamp(1rem, 4vh, 1.6rem);
  background: var(--green);
  color: #0A1000;
  isolation: isolate;
}
.whatsapp-float-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  z-index: -1;
  animation: whatsRingPulse 2.6s ease-out infinite;
}
@keyframes whatsRingPulse {
  0% { box-shadow: 0 0 0 0 var(--green-glow); }
  70% { box-shadow: 0 0 0 14px rgba(194, 255, 51, 0); }
  100% { box-shadow: 0 0 0 0 rgba(194, 255, 51, 0); }
}
.whatsapp-icon { width: 24px; height: 24px; position: relative; z-index: 1; }
.whatsapp-float:hover { transform: translateY(-4px) scale(1.05); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .cards-grid { grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
  .process-list, .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 200px; }
}

@media (max-width: 940px) {
  .main-nav {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(340px, 82vw);
    background: rgba(8, 11, 13, 0.98);
    backdrop-filter: blur(20px);
    border-left: 1px solid var(--border-soft);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 2rem clamp(1.5rem, 6vw, 2.5rem);
    gap: 2.4rem;
    transform: translateX(100%);
    transition: transform var(--dur-med) var(--ease-in-out);
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 1.4rem; }
  .nav-link { font-size: 1.1rem; }
  .btn-nav { width: 100%; }
  .menu-toggle { display: flex; }

  .hero-grid { grid-template-columns: 1fr; text-align: left; }
  .hero-visual { order: -1; max-width: 420px; margin-inline: auto; }
  .hero { padding-top: 7.5rem; }
  .scroll-cue { display: none; }

  .simulator-panel { grid-template-columns: 1fr; }
  .cta-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.6rem; }
  .stat-item:nth-child(3) { border-left: none; }
  .cards-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .hero-trust { flex-wrap: wrap; row-gap: 1rem; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 180px; }
}

@media (max-width: 600px) {
  .whatsapp-cta-card { grid-template-columns: 1fr; }
  .whatsapp-cta-video { max-width: 220px; width: 100%; justify-self: center; }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hud-card { min-width: 140px; padding: 0.7rem 0.9rem; }
  .hud-value { font-size: 1.1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .trust-divider { display: none; }
  .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .gallery-item-large { grid-column: span 1; grid-row: span 1; }
}

@media (max-width: 380px) {
  .container { padding-inline: 1rem; }
  .simulator-panel, .whatsapp-cta-card { padding: 1.4rem; }
}