/* ==========================================================================
   SUDOSOFT - INSTITUTIONAL DESIGN SYSTEM & STYLES
   ALGORITMA SISTEMAS DE INFORMATICA LTDA
   ========================================================================== */

:root {
  /* Color Palette - Modern Tech Slate & Deep Blue */
  --color-bg: #0b0f17;
  --color-bg-alt: #101726;
  --color-surface: #162032;
  --color-surface-hover: #1c2a42;
  --color-surface-card: rgba(22, 32, 50, 0.85);
  --color-border: #23334d;
  --color-border-focus: #3b82f6;

  /* Accent & Status Colors */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #60a5fa;
  --color-accent: #0ea5e9;
  --color-success: #10b981;
  --color-success-bg: rgba(16, 185, 129, 0.12);
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-error-bg: rgba(239, 68, 68, 0.12);

  /* Typography Colors */
  --color-text-main: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-text-dim: #64748b;
  --color-text-inverse: #0b0f17;

  /* Fonts */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --container-max: 1200px;
  --header-height: 76px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 14px 0 rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 28px -4px rgba(0, 0, 0, 0.5);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

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

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

a:hover {
  color: #93c5fd;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* --------------------------------------------------------------------------
   Top Bar
   -------------------------------------------------------------------------- */
.top-bar {
  background-color: #06090e;
  border-bottom: 1px solid var(--color-border);
  padding: 0.5rem 0;
  font-size: 0.825rem;
  color: var(--color-text-muted);
}

.top-bar__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.top-bar__info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.top-bar__item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.top-bar__item svg {
  color: var(--color-accent);
}

.top-bar__separator {
  color: var(--color-text-dim);
}

.top-bar__location {
  color: var(--color-text-dim);
  font-size: 0.8rem;
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(11, 15, 23, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(35, 51, 77, 0.6);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header--solid {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--color-text-main);
  letter-spacing: -0.02em;
}

.brand__logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #1e3a8a, #2563eb);
  color: #ffffff;
}

.brand__name {
  font-weight: 800;
}

.brand__highlight {
  color: var(--color-accent);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav__link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  padding: 0.5rem 0;
}

.nav__link:hover {
  color: var(--color-text-main);
}

.nav__link--cta {
  background-color: var(--color-primary);
  color: #ffffff !important;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.nav__link--cta:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-main);
  margin: 5px 0;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* --------------------------------------------------------------------------
   Badges & Global UI Elements
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background-color: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.975rem;
  font-weight: 600;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.btn--primary {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn--primary:hover {
  background-color: var(--color-primary-hover);
  color: #ffffff;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.45);
  transform: translateY(-1px);
}

.btn--secondary {
  background-color: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text-main);
}

.btn--secondary:hover {
  background-color: var(--color-surface-hover);
  border-color: #334b6e;
  color: #ffffff;
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

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

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.btn__spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.75s infinite linear;
}

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

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  padding: 4.5rem 0 5rem;
  background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(14, 165, 233, 0.05) 0%, transparent 50%);
  border-bottom: 1px solid var(--color-border);
}

.hero__container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero__title {
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: #ffffff;
}

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

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.hero__subtitle strong {
  color: #ffffff;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.75rem;
  flex-wrap: wrap;
}

.hero__highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(35, 51, 77, 0.8);
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.highlight-item__icon {
  color: var(--color-accent);
  margin-top: 2px;
  flex-shrink: 0;
}

.highlight-item__text {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  line-height: 1.35;
}

/* System Card Preview */
.system-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.system-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  background-color: #0d1420;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.825rem;
}

.system-card__dots {
  display: flex;
  gap: 6px;
}

.system-card__dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #2a3b53;
}

.system-card__dots span:nth-child(1) { background-color: #ef4444; }
.system-card__dots span:nth-child(2) { background-color: #f59e0b; }
.system-card__dots span:nth-child(3) { background-color: #10b981; }

.system-card__title {
  font-weight: 600;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.system-card__status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--color-success);
  font-weight: 600;
}

.status-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-success);
}

.system-card__body {
  padding: 1.5rem;
}

.dashboard-preview {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.metric-box {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.metric-box__label {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.metric-box__value {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.2rem;
}

.metric-box__sub {
  display: block;
  font-size: 0.775rem;
  color: var(--color-text-muted);
}

.system-card__footer {
  padding-top: 0.5rem;
}

.db-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  background-color: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.25);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Sections & Layout Common
   -------------------------------------------------------------------------- */
.section {
  padding: 5.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}

.section-title {
  font-size: clamp(1.85rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 0.85rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Modules Grid
   -------------------------------------------------------------------------- */
.grid-modules {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.module-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.module-card:hover {
  transform: translateY(-3px);
  border-color: #3b5275;
  box-shadow: var(--shadow-md);
}

.module-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(37, 99, 235, 0.12);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.module-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.module-card__text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

.feature-list {
  margin-top: auto;
  border-top: 1px solid rgba(35, 51, 77, 0.6);
  padding-top: 1rem;
}

.feature-list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
  line-height: 1.45;
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
  font-size: 0.85rem;
}

.feature-list li strong {
  color: var(--color-text-main);
}

/* --------------------------------------------------------------------------
   Segments Section
   -------------------------------------------------------------------------- */
.section--segments {
  background-color: var(--color-bg-alt);
}

.segments-tab-wrapper {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.segments-nav {
  display: flex;
  background-color: #0b111c;
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
  scrollbar-width: thin;
}

.segment-tab-btn {
  flex: 1;
  min-width: 180px;
  padding: 1.15rem 1rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  font-size: 0.925rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.segment-tab-btn:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.02);
}

.segment-tab-btn.active {
  color: #ffffff;
  border-bottom-color: var(--color-primary-light);
  background-color: var(--color-surface);
}

.segment-panel {
  padding: 2.5rem;
  display: none;
}

.segment-panel.active {
  display: block;
}

.segment-panel__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
}

.segment-panel__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1rem;
}

.segment-panel__desc {
  font-size: 1.025rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.segment-panel__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.segment-panel__list li {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  padding-left: 1.5rem;
  position: relative;
}

.segment-panel__list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.segment-panel__list li strong {
  color: #ffffff;
}

.segment-panel__box {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.segment-panel__box h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.benefit-tag {
  display: block;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  font-size: 0.875rem;
  color: var(--color-text-main);
  margin-bottom: 0.6rem;
}

/* --------------------------------------------------------------------------
   Technology Card Section
   -------------------------------------------------------------------------- */
.tech-card {
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg-alt) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3.5rem 3rem;
  box-shadow: var(--shadow-md);
}

.tech-card__header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem;
}

.tech-card__title {
  font-size: 2.1rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1rem;
}

.tech-card__lead {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.tech-pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.pillar {
  background-color: rgba(11, 15, 23, 0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
}

.pillar__icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: rgba(14, 165, 233, 0.12);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.pillar__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.pillar__text {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Differentials Section
   -------------------------------------------------------------------------- */
.grid-differentials {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.diff-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
}

.diff-card__num {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-accent);
  opacity: 0.8;
  margin-bottom: 1rem;
}

.diff-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.diff-card__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   FAQ Accordion
   -------------------------------------------------------------------------- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary-light);
}

.faq-icon {
  flex-shrink: 0;
  color: var(--color-text-dim);
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  padding: 0 1.5rem 1.5rem;
  max-height: 300px;
}

/* --------------------------------------------------------------------------
   Contact Section & Form
   -------------------------------------------------------------------------- */
.section--contact {
  background-color: var(--color-bg-alt);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.contact-info__title {
  font-size: 2.1rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.contact-info__desc {
  font-size: 1.025rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.channel-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.15rem;
}

.channel-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: rgba(37, 99, 235, 0.12);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.channel-card__label {
  display: block;
  font-size: 0.775rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.channel-card__link,
.channel-card__text {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
}

.legal-notice-box {
  padding: 1rem;
  background-color: rgba(11, 15, 23, 0.5);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-dim);
  font-size: 0.8rem;
  line-height: 1.45;
}

/* Contact Form Styling */
.contact-form-container {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.form-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.35rem;
}

.form-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.75rem;
}

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

.form-group {
  margin-bottom: 1.2rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 0.4rem;
}

.form-label .required {
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.925rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-dim);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-select option {
  background-color: var(--color-surface);
  color: #ffffff;
}

.form-textarea {
  resize: vertical;
  min-height: 95px;
}

.form-error {
  display: block;
  font-size: 0.8rem;
  color: var(--color-error);
  margin-top: 0.3rem;
  min-height: 1.1rem;
}

/* Custom Checkbox */
.form-group--checkbox {
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  cursor: pointer;
  font-size: 0.825rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

.checkbox-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-custom {
  width: 18px;
  height: 18px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: var(--color-bg-alt);
  flex-shrink: 0;
  margin-top: 2px;
  position: relative;
  transition: all var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked ~ .checkbox-custom {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.checkbox-label input[type="checkbox"]:checked ~ .checkbox-custom::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 6px;
  width: 4px;
  height: 9px;
  border: solid #ffffff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-text a {
  text-decoration: underline;
}

/* Feedback Messages */
.form-feedback {
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
  line-height: 1.45;
}

.form-feedback--success {
  background-color: var(--color-success-bg);
  border: 1px solid var(--color-success);
  color: #34d399;
}

.form-feedback--error {
  background-color: var(--color-error-bg);
  border: 1px solid var(--color-error);
  color: #f87171;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background-color: #06090e;
  border-top: 1px solid var(--color-border);
  padding: 4.5rem 0 2rem;
}

.footer__container {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr 1.3fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.brand--footer {
  margin-bottom: 1.25rem;
}

.footer__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.footer__legal-name {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  line-height: 1.4;
}

.footer__legal-name strong {
  color: var(--color-text-muted);
}

.footer__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.footer__links li {
  margin-bottom: 0.65rem;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer__links a:hover {
  color: #ffffff;
}

.footer__contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.85rem;
  line-height: 1.45;
}

.footer__contact-list svg {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer__bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(35, 51, 77, 0.6);
  font-size: 0.8rem;
  color: var(--color-text-dim);
}

.footer__bottom-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__bottom-links a {
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.footer__bottom-links a:hover {
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   Legal Page (Política de Privacidade) Specific Styles
   -------------------------------------------------------------------------- */
.privacy-page {
  background-color: var(--color-bg);
}

.legal-content {
  padding: 4rem 0 5rem;
}

.legal-content__container {
  max-width: 860px;
}

.legal-header {
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2rem;
}

.legal-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.legal-date {
  font-size: 0.875rem;
  color: var(--color-text-dim);
}

.legal-body {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.legal-section h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1rem;
  border-left: 3px solid var(--color-primary);
  padding-left: 0.75rem;
}

.legal-section p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.legal-section ul {
  list-style: disc;
  padding-left: 1.5rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.legal-section ul li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.legal-section blockquote {
  background-color: var(--color-surface);
  border-left: 3px solid var(--color-accent);
  padding: 1.25rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: #ffffff;
  font-style: italic;
  margin: 1.25rem 0;
}

.legal-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  font-size: 0.925rem;
  color: var(--color-text-main);
  line-height: 1.7;
}

.legal-footer-action {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

/* --------------------------------------------------------------------------
   Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .grid-modules {
    grid-template-columns: repeat(2, 1fr);
  }

  .tech-pillars-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .grid-differentials {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__container {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .top-bar__location {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem;
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-lg);
  }

  .nav.is-open {
    transform: translateY(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .nav__link {
    width: 100%;
    font-size: 1.05rem;
  }

  .nav__link--cta {
    display: block;
    text-align: center;
    margin-top: 0.5rem;
  }

  .hero__highlights {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .segment-panel__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

@media (max-width: 640px) {
  .grid-modules {
    grid-template-columns: 1fr;
  }

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

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

  .footer__bottom-container {
    flex-direction: column;
    text-align: center;
  }

  .tech-card {
    padding: 2rem 1.5rem;
  }

  .contact-form-container {
    padding: 1.75rem 1.25rem;
  }

  .segment-panel {
    padding: 1.5rem 1.25rem;
  }
}