/* ============================================================
   TZCO BRASIL + GRUPO AIZ — Design System Industrial Premium
   ============================================================ */

:root {
  --c-white: #FFFFFF;
  --c-bg: #FAFAFC;
  --c-surface-light: #F1F4F8;
  --c-surface-card: #FFFFFF;
  --c-steel-light: #E2E8F0;
  --c-steel: #CBD5E1;
  --c-steel-dark: #94A3B8;
  --c-graphite: #1E293B;
  --c-dark-surface: #0F172A;
  --c-black: #050811;
  --c-yellow: #FFB800;
  --c-yellow-hover: #E6A100;
  --c-yellow-glow: rgba(255, 184, 0, 0.25);
  --c-yellow-subtle: #FFF9E6;
  --ff-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ff-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ff-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --c-text-main: #0F172A;
  --c-text-muted: #475569;
  --c-text-light: #94A3B8;
  --sp-xs: 0.5rem;
  --sp-sm: 1rem;
  --sp-md: 1.5rem;
  --sp-lg: 2.5rem;
  --sp-xl: 4rem;
  --sp-2xl: 6rem;
  --sp-3xl: 9rem;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --border-tech: 1px solid var(--c-steel-light);
  --border-tech-dark: 1px solid rgba(255, 255, 255, 0.1);
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 12px 32px rgba(15, 23, 42, 0.08);
  --shadow-hover: 0 20px 40px rgba(15, 23, 42, 0.14);
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1400px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--c-bg);
  color: var(--c-text-main);
  font-family: var(--ff-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body { overflow-x: hidden; width: 100%; line-height: 1.6; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3.5rem);
}

/* ============================================================
   TIPOGRAFIA
   ============================================================ */
.tag-label {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--ff-mono); font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--c-text-main); background: var(--c-yellow);
  padding: 0.35rem 0.85rem; border-radius: var(--radius-sm);
  margin-bottom: var(--sp-sm);
}

.tag-label--dark {
  background: rgba(255,255,255,0.1);
  color: var(--c-yellow);
  border: 1px solid rgba(255,184,0,0.3);
}

.heading-display {
  font-size: clamp(2.5rem, 5.5vw, 5.2rem);
  font-weight: 900; line-height: 0.98;
  letter-spacing: -0.03em; text-transform: uppercase;
  color: var(--c-black);
}

.heading-1 {
  font-size: clamp(2rem, 4vw, 3.6rem);
  font-weight: 800; line-height: 1.05;
  letter-spacing: -0.025em; text-transform: uppercase;
}

.heading-2 {
  font-size: clamp(1.5rem, 2.8vw, 2.4rem);
  font-weight: 800; line-height: 1.15;
  letter-spacing: -0.02em; text-transform: uppercase;
}

.heading-3 {
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  font-weight: 700; line-height: 1.25;
}

.text-lead {
  font-size: clamp(1.05rem, 1.4vw, 1.35rem);
  color: var(--c-text-muted); max-width: 72ch; line-height: 1.6;
}

.text-mono {
  font-family: var(--ff-mono); font-size: 0.85rem;
  letter-spacing: 0.05em; text-transform: uppercase;
}

.highlight-yellow {
  background: linear-gradient(120deg, rgba(255,184,0,0.3) 0%, rgba(255,184,0,0.3) 100%);
  background-repeat: no-repeat; background-size: 100% 35%; background-position: 0 88%;
}

/* ============================================================
   BOTÕES
   ============================================================ */
.btn-group { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.75rem; padding: 1.1rem 2.2rem;
  font-size: 0.9rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.08em; border-radius: var(--radius-sm);
  transition: all var(--transition-normal); cursor: pointer;
  border: 2px solid transparent; white-space: nowrap;
}

.btn-primary {
  background: var(--c-yellow); color: var(--c-black);
  border-color: var(--c-yellow); box-shadow: 0 4px 15px var(--c-yellow-glow);
}
.btn-primary:hover {
  background: var(--c-yellow-hover); border-color: var(--c-yellow-hover);
  transform: translateY(-2px); box-shadow: 0 8px 25px rgba(255,184,0,0.4);
}

.btn-secondary {
  background: transparent; color: var(--c-black); border-color: var(--c-black);
}
.btn-secondary:hover {
  background: var(--c-black); color: var(--c-white); transform: translateY(-2px);
}

.btn-dark {
  background: var(--c-dark-surface); color: var(--c-white); border-color: var(--c-dark-surface);
}
.btn-dark:hover {
  background: var(--c-yellow); color: var(--c-black); border-color: var(--c-yellow);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent; color: var(--c-white); border-color: rgba(255,255,255,0.4);
}
.btn-outline-white:hover {
  background: var(--c-white); color: var(--c-black); transform: translateY(-2px);
}

.btn-icon { width: 1.25rem; height: 1.25rem; transition: transform var(--transition-fast); }
.btn:hover .btn-icon { transform: translateX(4px); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  transition: all var(--transition-normal);
  background: rgba(5,8,17,0.6);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.site-header.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 4px 20px rgba(15,23,42,0.08);
  border-bottom: 1px solid var(--c-steel-light);
}

.header-container {
  display: flex; align-items: center; justify-content: space-between;
  height: 90px; transition: height var(--transition-fast);
}
.site-header.scrolled .header-container { height: 75px; }

.logo-text-group {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--ff-heading); font-weight: 900;
  letter-spacing: -0.02em; font-size: 1.35rem;
}

.logo-aiz { color: var(--c-white); display: flex; align-items: center; gap: 0.3rem; }
.logo-aiz span {
  color: var(--c-yellow); background: var(--c-white); color: var(--c-black);
  padding: 0.1rem 0.4rem; border-radius: 2px; font-size: 1.1rem;
}

.logo-divider { width: 1px; height: 24px; background: rgba(255,255,255,0.2); }

.logo-tzco {
  font-weight: 900; letter-spacing: 0.05em;
  color: var(--c-white);
}

.site-header.scrolled .logo-aiz { color: var(--c-black); }
.site-header.scrolled .logo-aiz span { color: var(--c-yellow); background: var(--c-black); }
.site-header.scrolled .logo-divider { background: var(--c-steel); }
.site-header.scrolled .logo-tzco {
  background: linear-gradient(135deg, #1E293B, #0F172A);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu { display: flex; align-items: center; gap: 2.2rem; list-style: none; }

.nav-link {
  font-size: 0.85rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: rgba(255,255,255,0.7);
  transition: color var(--transition-fast); padding: 0.5rem 0;
  position: relative;
}
.nav-link::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 2px; background: var(--c-yellow);
  transition: width var(--transition-fast);
}
.nav-link:hover { color: var(--c-white); }
.nav-link:hover::after { width: 100%; }

.site-header.scrolled .nav-link { color: var(--c-graphite); }
.site-header.scrolled .nav-link:hover { color: var(--c-black); }

.header-actions { display: flex; align-items: center; gap: 1rem; }
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; color: rgba(255,255,255,0.7); }
.site-header.scrolled .mobile-toggle { color: var(--c-black); }

/* ============================================================
   HERO — FULL-SCREEN CINEMATIC
   ============================================================ */
.hero-section {
  position: relative; width: 100%; height: 100vh; min-height: 700px;
  overflow: hidden; background: var(--c-black);
}

/* Image frame with Ken Burns zoom */
.hero-image-frame {
  position: absolute; inset: -10%;
  z-index: 0;
  animation: heroKenBurns 12s ease-out forwards;
}

.hero-image {
  width: 100%; height: 100%;
  background-size: cover; background-position: center;
  animation: heroSlowZoom 20s ease-in-out infinite alternate;
}

@keyframes heroKenBurns {
  0% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

@keyframes heroSlowZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.08); }
}

/* Overlay — subtle dark gradient bottom + left */
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(5,8,17,0.15) 0%, rgba(5,8,17,0.4) 40%, rgba(5,8,17,0.85) 100%),
    linear-gradient(90deg, rgba(5,8,17,0.6) 0%, transparent 60%);
  z-index: 1; pointer-events: none;
}

/* Content wrapper — positioned at bottom-left */
.hero-content-wrap {
  position: absolute; bottom: 0; left: 0; right: 0;
  z-index: 2; padding: 0 clamp(1.25rem, 4vw, 3.5rem) 6rem;
  max-width: var(--container-max); margin: 0 auto;
  width: 100%;
}

/* Yellow accent bar — slides in from left */
.hero-accent-bar {
  width: 0; height: 4px; background: var(--c-yellow);
  margin-bottom: 1.5rem;
  animation: heroBarGrow 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
  box-shadow: 0 0 20px var(--c-yellow-glow);
}

@keyframes heroBarGrow {
  0% { width: 0; }
  100% { width: 120px; }
}

/* Text block animations */
.hero-text-block > * {
  opacity: 0; transform: translateY(30px);
  animation: heroFadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-label {
  display: inline-block;
  font-family: var(--ff-mono); font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.2em;
  color: var(--c-yellow);
  margin-bottom: 0.75rem;
  animation-delay: 0.4s !important;
}

/* Hero title — three stacked lines */
.hero-title {
  margin-bottom: 1rem;
}

.hero-title-line {
  display: block;
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 900; line-height: 0.92;
  letter-spacing: -0.04em; text-transform: uppercase;
  color: var(--c-white);
}

.hero-title--gold {
  background: linear-gradient(135deg, #FFB800 0%, #FFD700 50%, #FFB800 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: heroGoldShimmer 4s ease-in-out infinite alternate, heroFadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes heroGoldShimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

.hero-title-line:nth-child(1) { animation-delay: 0.5s !important; }
.hero-title-line:nth-child(2) { animation-delay: 0.6s !important; }
.hero-title-line:nth-child(3) { animation-delay: 0.7s !important; }

/* Description */
.hero-desc {
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  color: rgba(255,255,255,0.5);
  line-height: 1.6; max-width: 52ch;
  margin-bottom: 1.5rem;
  animation-delay: 0.8s !important;
}

/* CTA buttons */
.hero-cta-group {
  display: flex; flex-wrap: wrap; gap: 1rem; align-items: center;
  animation-delay: 1s !important;
}

/* Stats bar */
.hero-stats {
  display: flex; gap: 2.5rem;
  margin-top: 2rem; padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  opacity: 0; transform: translateY(20px);
  animation: heroFadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) 1.2s forwards;
}

.hero-stat { display: flex; flex-direction: column; }
.hero-stat-num { font-size: 1.3rem; font-weight: 900; color: var(--c-yellow); }
.hero-stat-lbl { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.1em; color: rgba(255,255,255,0.35); font-weight: 600; }

@keyframes heroFadeUp {
  0% { opacity: 0; transform: translateY(30px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* Equipment card real photo */
.equip-photo {
  width: 100%; height: 100%; object-fit: cover;
  position: absolute; inset: 0;
  transition: transform var(--transition-normal);
}

.equip-card:hover .equip-photo { transform: scale(1.05); }

.equip-card-visual { overflow: hidden; }

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
  font-size: 0.6rem; font-family: var(--ff-mono);
  letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.25); z-index: 10;
  opacity: 0;
  animation: heroFadeUp 1s ease 2s forwards;
}

.hero-scroll-mouse {
  width: 18px; height: 28px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 10px; position: relative;
}
.hero-scroll-wheel {
  width: 3px; height: 7px; background: var(--c-yellow);
  border-radius: 2px; position: absolute;
  top: 5px; left: 50%; transform: translateX(-50%);
  animation: heroScrollWheel 2s infinite;
}

@keyframes heroScrollWheel {
  0% { opacity: 1; top: 5px; }
  100% { opacity: 0; top: 16px; }
}

/* ============================================================
   MANIFESTO
   ============================================================ */
.section-manifesto {
  padding: var(--sp-3xl) 0; background: var(--c-white);
  position: relative; overflow: hidden;
}

.manifesto-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: var(--sp-2xl); align-items: start; }
.manifesto-sticky-title { position: sticky; top: 120px; }
.manifesto-body { display: flex; flex-direction: column; gap: var(--sp-md); }

.manifesto-quote {
  font-size: clamp(1.4rem, 2.2vw, 2.1rem);
  font-weight: 700; line-height: 1.3; color: var(--c-black);
  border-left: 4px solid var(--c-yellow); padding-left: var(--sp-md);
  margin: var(--sp-sm) 0;
}

.manifesto-text { font-size: 1.1rem; color: var(--c-text-muted); line-height: 1.8; }

.signature-block {
  display: flex; align-items: center; gap: 2rem;
  margin-top: var(--sp-md); padding-top: var(--sp-md);
  border-top: 1px solid var(--c-steel-light);
}

.sig-item { display: flex; flex-direction: column; }
.sig-name { font-weight: 800; font-size: 1rem; text-transform: uppercase; color: var(--c-black); }
.sig-role { font-size: 0.8rem; color: var(--c-text-muted); font-family: var(--ff-mono); }

/* ============================================================
   NUMBERS
   ============================================================ */
.section-numbers {
  background: var(--c-black); color: var(--c-white);
  padding: var(--sp-2xl) 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.numbers-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-lg); }

.number-card {
  display: flex; flex-direction: column;
  border-left: 2px solid var(--c-yellow); padding-left: 1.25rem;
}

.number-value {
  font-family: var(--ff-heading);
  font-size: clamp(2.8rem, 4.5vw, 4.5rem);
  font-weight: 900; line-height: 1; color: var(--c-white);
  margin-bottom: 0.5rem; display: flex; align-items: baseline;
}

.number-suffix { color: var(--c-yellow); font-size: 0.7em; margin-left: 2px; }

.number-label {
  font-size: 0.95rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--c-steel); margin-bottom: 0.25rem;
}

.number-desc { font-size: 0.8rem; color: var(--c-text-light); line-height: 1.4; }

/* ============================================================
   PARTNERSHIP
   ============================================================ */
.section-partnership { padding: var(--sp-3xl) 0; background: var(--c-bg); }
.partnership-cards-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-xl); margin-top: var(--sp-xl); }

.partner-card {
  background: var(--c-white); border: var(--border-tech);
  padding: clamp(2rem, 4vw, 3.5rem); border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.partner-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }

.partner-card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: var(--sp-md); padding-bottom: var(--sp-sm);
  border-bottom: 2px solid var(--c-steel-light);
}

.partner-brand { font-family: var(--ff-heading); font-size: 1.8rem; font-weight: 900; text-transform: uppercase; }

.partner-pill {
  font-family: var(--ff-mono); font-size: 0.7rem; font-weight: 700;
  padding: 0.25rem 0.6rem; background: var(--c-surface-light);
  color: var(--c-graphite); border-radius: var(--radius-sm);
}

.partner-bullet-list { list-style: none; margin-top: var(--sp-md); display: flex; flex-direction: column; gap: 0.85rem; }
.partner-bullet-item { display: flex; align-items: flex-start; gap: 0.75rem; font-size: 0.95rem; color: var(--c-text-muted); }
.partner-bullet-icon { width: 18px; height: 18px; flex-shrink: 0; margin-top: 3px; }

/* ============================================================
   EQUIPAMENTOS (CATÁLOGO)
   ============================================================ */
.section-equipment { padding: var(--sp-3xl) 0; background: var(--c-white); border-top: 1px solid var(--c-steel-light); }

.equipment-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: var(--sp-xl); flex-wrap: wrap; gap: var(--sp-md);
}

.filter-bar {
  display: flex; gap: 0.5rem; overflow-x: auto;
  padding-bottom: 0.5rem; width: 100%;
  border-bottom: 1px solid var(--c-steel-light); margin-bottom: var(--sp-lg);
}

.filter-btn {
  background: none; border: none; padding: 0.75rem 1.5rem;
  font-size: 0.85rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--c-text-muted); cursor: pointer;
  transition: all var(--transition-fast);
  border-bottom: 3px solid transparent; white-space: nowrap;
}
.filter-btn:hover { color: var(--c-black); }
.filter-btn.active {
  color: var(--c-black); border-bottom-color: var(--c-yellow);
  background: var(--c-surface-light);
}

.equipment-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-lg); }

.equip-card {
  background: var(--c-bg); border: var(--border-tech);
  border-radius: var(--radius-md); overflow: hidden;
  display: flex; flex-direction: column;
  transition: all var(--transition-normal);
}
.equip-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: var(--c-steel-dark); }

.equip-card-visual {
  height: 260px; background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  position: relative; overflow: hidden;
}

.equip-card-visual::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.4) 0%, transparent 30%, transparent 70%, rgba(0,0,0,0.4) 100%);
  pointer-events: none; z-index: 1;
}

.equip-card-tag {
  position: absolute; top: 1rem; left: 1rem;
  background: var(--c-black); color: var(--c-white);
  font-family: var(--ff-mono); font-size: 0.65rem; font-weight: 700;
  padding: 0.2rem 0.6rem; text-transform: uppercase; letter-spacing: 0.1em; z-index: 2;
}

.equip-placeholder-svg { width: 80%; height: 80%; transition: transform var(--transition-normal); }
.equip-card:hover .equip-placeholder-svg { transform: scale(1.05); }

.equip-card-body {
  padding: var(--sp-lg); display: flex; flex-direction: column;
  flex-grow: 1; background: var(--c-white);
}

.equip-model { font-family: var(--ff-heading); font-size: 1.6rem; font-weight: 900; color: var(--c-black); margin-bottom: 0.2rem; }
.equip-category { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--c-text-muted); font-weight: 700; margin-bottom: var(--sp-md); }

.equip-specs-table {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem;
  padding: 1rem 0; border-top: 1px solid var(--c-steel-light);
  border-bottom: 1px solid var(--c-steel-light); margin-bottom: var(--sp-md);
}

.spec-item { display: flex; flex-direction: column; }
.spec-label { font-size: 0.7rem; text-transform: uppercase; color: var(--c-text-light); font-family: var(--ff-mono); }
.spec-value { font-size: 0.95rem; font-weight: 800; color: var(--c-graphite); }

/* ============================================================
   SEGMENTS
   ============================================================ */
.section-segments { padding: var(--sp-3xl) 0; background: var(--c-graphite); color: var(--c-white); }

.segments-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md); margin-top: var(--sp-xl);
}

.segment-card {
  background: rgba(255,255,255,0.03); border: var(--border-tech-dark);
  padding: var(--sp-lg); border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  display: flex; flex-direction: column; justify-content: space-between; min-height: 280px;
}
.segment-card:hover {
  background: rgba(255,255,255,0.07); border-color: var(--c-yellow);
  transform: translateY(-4px);
}

.segment-num { font-family: var(--ff-mono); font-size: 0.8rem; color: var(--c-yellow); font-weight: 700; }
.segment-title { font-size: 1.4rem; font-weight: 800; margin-top: 1rem; margin-bottom: 0.5rem; text-transform: uppercase; }
.segment-desc { font-size: 0.9rem; color: var(--c-steel); line-height: 1.6; }

/* ============================================================
   AFTER-SALES
   ============================================================ */
.section-aftersales { padding: var(--sp-3xl) 0; background: var(--c-bg); }
.aftersales-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2xl); align-items: center; }
.aftersales-feature-list { display: flex; flex-direction: column; gap: var(--sp-md); margin-top: var(--sp-lg); }

.feature-box {
  display: flex; gap: 1.25rem;
  background: var(--c-white); padding: 1.25rem;
  border: var(--border-tech); border-radius: var(--radius-sm);
}

.feature-icon-wrapper {
  width: 48px; height: 48px;
  background: var(--c-yellow-subtle); border: 1px solid var(--c-yellow);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; border-radius: var(--radius-sm);
}
.feature-icon-wrapper svg { width: 24px; height: 24px; color: var(--c-black); }

.feature-title { font-size: 1.1rem; font-weight: 800; text-transform: uppercase; margin-bottom: 0.25rem; }
.feature-desc { font-size: 0.88rem; color: var(--c-text-muted); line-height: 1.5; }

/* ============================================================
   STRUCTURE (AIZ)
   ============================================================ */
.section-structure { padding: var(--sp-3xl) 0; background: var(--c-white); border-top: 1px solid var(--c-steel-light); }
.structure-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-lg); margin-top: var(--sp-xl); }

.structure-card {
  border: var(--border-tech); padding: var(--sp-lg);
  background: var(--c-bg); border-top: 4px solid var(--c-graphite);
  transition: all var(--transition-normal);
}
.structure-card:hover { border-top-color: var(--c-yellow); box-shadow: var(--shadow-subtle); }
.structure-card h3 { font-size: 1.25rem; font-weight: 800; text-transform: uppercase; margin-bottom: 0.75rem; }
.structure-card p { font-size: 0.9rem; color: var(--c-text-muted); line-height: 1.6; }

/* ============================================================
   MEGA CTA
   ============================================================ */
.section-mega-cta {
  padding: var(--sp-3xl) 0;
  background: linear-gradient(135deg, var(--c-black) 0%, var(--c-graphite) 100%);
  color: var(--c-white); text-align: center; position: relative; overflow: hidden;
}
.mega-cta-content { max-width: 900px; margin: 0 auto; position: relative; z-index: 2; }
.mega-cta-title {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  font-weight: 900; line-height: 1.05; text-transform: uppercase;
  margin-bottom: var(--sp-md);
}

/* ============================================================
   CONTACT / FORM
   ============================================================ */
.section-contact { padding: var(--sp-3xl) 0; background: var(--c-bg); border-top: 1px solid var(--c-steel-light); }

.contact-wrapper {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: var(--sp-2xl);
  background: var(--c-white); border: var(--border-tech);
  border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-card);
}

.contact-info-side {
  background: var(--c-dark-surface); color: var(--c-white);
  padding: clamp(2rem, 4vw, 3.5rem);
  display: flex; flex-direction: column; justify-content: space-between;
}

.contact-info-list { list-style: none; display: flex; flex-direction: column; gap: 1.5rem; margin-top: var(--sp-lg); }
.contact-info-item { display: flex; align-items: flex-start; gap: 1rem; }
.contact-info-icon { width: 24px; height: 24px; color: var(--c-yellow); flex-shrink: 0; }

.contact-form-side { padding: clamp(2rem, 4vw, 3.5rem); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-top: var(--sp-md); }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group.full-width { grid-column: span 2; }

.form-label {
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--c-graphite);
}

.form-input, .form-select, .form-textarea {
  width: 100%; padding: 0.9rem 1rem;
  background: var(--c-bg); border: 1px solid var(--c-steel);
  border-radius: var(--radius-sm); font-size: 0.95rem;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--c-yellow);
  background: var(--c-white); box-shadow: 0 0 0 3px var(--c-yellow-glow);
}

.form-textarea { resize: vertical; min-height: 120px; }

/* ============================================================
   PAGE HEADER (INNER PAGES)
   ============================================================ */
.page-hero {
  padding: 130px 0 var(--sp-2xl);
  background: linear-gradient(180deg, #FAFAFC 0%, #EDF1F7 100%);
  border-bottom: 1px solid var(--c-steel-light);
  position: relative; overflow: hidden;
}

.page-hero-dark {
  background: var(--c-black); color: var(--c-white);
  border-bottom-color: rgba(255,255,255,0.1);
}

.page-hero .heading-1 { margin-top: 1rem; }

.page-hero-breadcrumb {
  display: flex; gap: 0.5rem; align-items: center;
  font-family: var(--ff-mono); font-size: 0.75rem;
  color: var(--c-text-light); text-transform: uppercase;
}

.page-hero-breadcrumb a { color: var(--c-text-muted); }
.page-hero-breadcrumb a:hover { color: var(--c-yellow); }

/* ============================================================
   CONTENT SECTION
   ============================================================ */
.content-section { padding: var(--sp-xl) 0; }
.content-section--dark { background: var(--c-dark-surface); color: var(--c-white); }
.content-section--gray { background: var(--c-bg); }

.content-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-xl); }
.content-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-lg); }

.card {
  background: var(--c-white); border: var(--border-tech);
  padding: var(--sp-lg); border-radius: var(--radius-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.card h3 { font-size: 1.25rem; font-weight: 800; text-transform: uppercase; margin-bottom: 0.75rem; }
.card p { font-size: 0.9rem; color: var(--c-text-muted); line-height: 1.6; }

.card--dark {
  background: rgba(255,255,255,0.03);
  border: var(--border-tech-dark);
  color: var(--c-white);
}
.card--dark h3 { color: var(--c-white); }
.card--dark p { color: var(--c-steel); }

/* ============================================================
   LANÇAMENTO (VIDEO SECTION)
   ============================================================ */
.section-launch {
  padding: var(--sp-3xl) 0;
  background: linear-gradient(135deg, var(--c-graphite) 0%, var(--c-black) 100%);
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.video-wrapper { max-width: 960px; margin: 0 auto; }

.video-container {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0,0,0,0.5);
  background: var(--c-black);
  cursor: pointer;
}

.video-player {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--c-black);
}

.video-controls-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: rgba(5,8,17,0.5);
  transition: opacity var(--transition-normal);
  z-index: 2;
}

.video-controls-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.video-play-btn {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid var(--c-yellow);
  background: rgba(255,184,0,0.15);
  backdrop-filter: blur(8px);
  color: var(--c-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.video-play-btn:hover {
  background: var(--c-yellow);
  color: var(--c-black);
  transform: scale(1.08);
  box-shadow: 0 0 30px var(--c-yellow-glow);
}

.video-play-btn svg {
  width: 32px;
  height: 32px;
  margin-left: 4px;
}

.video-overlay-label {
  font-family: var(--ff-mono);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--c-white);
  text-shadow: 0 2px 8px rgba(0,0,0,0.6);
}

.video-meta {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-top: var(--sp-md);
  flex-wrap: wrap;
}

.video-meta-tag {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.35rem 0.85rem;
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--c-steel);
  border-radius: var(--radius-sm);
}

/* ============================================================
   SECTION HEADER WITH KICKER
   ============================================================ */
.section-header { margin-bottom: var(--sp-xl); }
.section-header .tag-label { margin-bottom: var(--sp-sm); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--c-black); color: var(--c-steel);
  padding-top: var(--sp-3xl); padding-bottom: var(--sp-lg);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.88rem;
}

.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: var(--sp-xl); margin-bottom: var(--sp-2xl); }
.footer-brand-col { display: flex; flex-direction: column; gap: 1.25rem; }

.footer-logo { font-family: var(--ff-heading); font-size: 1.5rem; font-weight: 900; color: var(--c-white); }
.footer-logo span { color: var(--c-yellow); }

.footer-col-title {
  color: var(--c-white); font-size: 0.85rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1.25rem;
}

.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.footer-link-item a { color: var(--c-steel-dark); transition: color var(--transition-fast); }
.footer-link-item a:hover { color: var(--c-yellow); }

.footer-bottom {
  padding-top: var(--sp-lg);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem; font-size: 0.78rem; color: var(--c-steel-dark);
}

.footer-legal-links { display: flex; gap: 1.5rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-section { min-height: 600px; }
  .hero-content-wrap { padding-bottom: 4rem; }
  .hero-title-line { font-size: clamp(2.2rem, 10vw, 4rem); }
  .hero-accent-bar { margin-bottom: 1rem; }
  .hero-stats { gap: 1.5rem; }
  .hero-label { font-size: 0.65rem; }
  .hero-desc { font-size: 0.95rem; }
  .hero-image-frame { inset: -20%; }
  .manifesto-grid { grid-template-columns: 1fr; }
  .manifesto-sticky-title { position: static; }
  .equipment-grid { grid-template-columns: repeat(2, 1fr); }
  .numbers-grid { grid-template-columns: repeat(2, 1fr); }
  .partnership-cards-grid { grid-template-columns: 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .content-grid-2 { grid-template-columns: 1fr; }
  .content-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .segments-grid { grid-template-columns: repeat(2, 1fr); }
  .structure-grid { grid-template-columns: repeat(2, 1fr); }
  .aftersales-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed; top: 80px; left: 0; width: 100%;
    background: var(--c-white); flex-direction: column; padding: var(--sp-lg);
    border-bottom: 2px solid var(--c-yellow); box-shadow: var(--shadow-hover);
    transform: translateY(-150%); transition: transform var(--transition-normal); z-index: 999;
  }
  .nav-menu.active { transform: translateY(0); }
  .mobile-toggle { display: block; }
  .equipment-grid { grid-template-columns: 1fr; }
  .segments-grid { grid-template-columns: 1fr; }
  .structure-grid { grid-template-columns: 1fr; }
  .aftersales-grid { grid-template-columns: 1fr; }
  .content-grid-2 { grid-template-columns: 1fr; }
  .content-grid-3 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full-width { grid-column: span 1; }
  .hero-section { min-height: 100dvh; }
  .hero-content-wrap { padding-bottom: 3rem; padding-left: 1.25rem; padding-right: 1.25rem; }
  .hero-title-line { font-size: clamp(1.8rem, 14vw, 2.8rem); }
  .hero-stats { flex-wrap: wrap; gap: 1rem; }
  .hero-stat-num { font-size: 1.1rem; }
  .hero-accent-bar { margin-bottom: 0.75rem; }
  .numbers-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   FLOATING WHATSAPP BUTTON
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-normal);
  text-decoration: none;
}

.whatsapp-float:hover {
  background: #20BD5A;
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.5);
  color: #fff;
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

.whatsapp-float-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--c-dark-surface);
  color: var(--c-white);
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.whatsapp-float-tooltip::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--c-dark-surface);
}

.whatsapp-float:hover .whatsapp-float-tooltip {
  opacity: 1;
}

@keyframes whatsappPulse {
  0% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 24px rgba(37, 211, 102, 0.7); }
  100% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4); }
}

.whatsapp-float {
  animation: whatsappPulse 2.5s ease-in-out infinite;
}

@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 16px;
    right: 16px;
    width: 48px;
    height: 48px;
  }

  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }

  .whatsapp-float-tooltip {
    display: none;
  }
}

/* ============================================================
   UTILITIES
   ============================================================ */
.mt-sm { margin-top: var(--sp-sm); }
.mt-md { margin-top: var(--sp-md); }
.mt-lg { margin-top: var(--sp-lg); }
.mt-xl { margin-top: var(--sp-xl); }
.text-center { text-align: center; }