/* ==========================================================================
   DESIGN SYSTEM & VARIÁVEIS BOUTIQUE (IRON STUDIO CONCEPTION)
   ========================================================================== */
:root {
  /* Paleta de Cores */
  --color-bg-main: #090909;
  --color-bg-card: #161616;
  --color-bg-hover: #222222;
  --color-text-main: #F5F5F5;
  --color-text-muted: #A0A0A0;
  --color-accent: #FF5500; /* Laranja da identidade */
  --color-accent-hover: #E04B00;
  --color-border: #222222;

  /* Cores de Iluminação LED */
  --color-led-green: #00FF66;
  --color-led-red: #FF3344;
  --color-led-blue: #0099FF;

  /* Tipografia */
  --font-title: 'Space Grotesk', -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-mono: 'Trispace', monospace;

  /* Transições & Elevação */
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --border-radius: 8px;
  --container-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--color-bg-main);
  color: var(--color-text-main);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

body {
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.font-mono {
  font-family: var(--font-mono) !important;
}

/* Layout Utilities */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow {
  max-width: 800px;
}

.section {
  padding: 100px 0;
  border-bottom: 1px solid var(--color-border);
}

.text-center { text-align: center; }

.grid {
  display: grid;
  gap: 32px;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* Typography UI */
h1, h2, h3, h4 {
  font-family: var(--font-title);
  color: #FFFFFF;
  line-height: 1.2;
}

.section-tag {
  display: inline-block;
  color: var(--color-accent);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 600;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto 48px;
}

/* ==========================================================================
   PADRONIZAÇÃO UNIFICADA DE BOTÕES E CTAS
   ========================================================================== */
.btn,
a.btn,
button.btn,
.btn--primary,
.btn--outline {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 12px !important;
  padding: 16px 28px !important;
  border-radius: var(--border-radius) !important;
  font-family: var(--font-title) !important;
  font-weight: 600 !important;
  font-size: 0.88rem !important;
  text-transform: uppercase !important;
  letter-spacing: 1px !important;
  cursor: pointer !important;
  width: 100% !important;
  max-width: 400px !important;
  box-sizing: border-box !important;
  text-align: center !important;
  
  background-color: #FF5500 !important;
  background: #FF5500 !important;
  color: #FFFFFF !important;
  border: none !important;
  box-shadow: 0 4px 20px rgba(255, 85, 0, 0.3) !important;
  transition: var(--transition-smooth) !important;
}

.btn:hover,
a.btn:hover,
button.btn:hover,
.btn--primary:hover,
.btn--outline:hover {
  background-color: #E04B00 !important;
  background: #E04B00 !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 28px rgba(255, 85, 0, 0.5) !important;
}

.btn--full { 
  width: 100% !important; 
  max-width: 100% !important;
}

.btn__icon {
  width: 18px;
  height: 18px;
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(9, 9, 9, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: 80px;
  display: flex;
  align-items: center;
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.header__logo-text {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 1.5px;
  color: #FFFFFF;
}

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

.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.5vw, 24px);
  list-style: none;
}

.nav__link {
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 0.8vw, 0.78rem);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-muted);
  white-space: nowrap;
  transition: var(--transition-smooth);
}

.nav__link:hover, .nav__link.active {
  color: var(--color-accent);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.lang-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  transition: var(--transition-smooth);
}

.lang-btn.active, .lang-btn:hover {
  color: var(--color-accent);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle__line {
  width: 24px;
  height: 2px;
  background-color: var(--color-text-main);
  transition: var(--transition-smooth);
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  background: url('https://images.unsplash.com/photo-1517838277536-f5f99be501cd?q=80&w=1920&auto=format&fit=crop') center/cover no-repeat;
  overflow: hidden;
}

.hero__overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(180deg, rgba(9, 9, 9, 0.75) 0%, rgba(9, 9, 9, 0.95) 100%),
              radial-gradient(circle at 80% 30%, rgba(0, 153, 255, 0.08) 0%, transparent 60%);
  z-index: 1;
}

.hero__ambient-led {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 153, 255, 0.15) 0%, rgba(0, 153, 255, 0) 70%);
  pointer-events: none;
  z-index: 1;
  filter: blur(60px);
}

.hero__container {
  position: relative;
  z-index: 2;
  max-width: 880px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(16, 24, 36, 0.6);
  border: 1px solid rgba(0, 153, 255, 0.3);
  backdrop-filter: blur(8px);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--color-text-main);
  margin-bottom: 28px;
}

.badge-dot--blue {
  width: 6px; height: 6px;
  background-color: var(--color-led-blue);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-led-blue);
}

.hero__title {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  margin-bottom: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.hero__description {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 40px;
  max-width: 720px;
  font-weight: 400;
}

/* ==========================================================================
   CARDS, GALERIA E ACCORDION
   ========================================================================== */
.method__grid { align-items: center; }
.method__headline { font-size: 1.2rem; margin-top: 24px; margin-bottom: 8px; color: var(--color-accent); }
.method__image-wrapper img { border-radius: var(--border-radius); border: 1px solid var(--color-border); }

/* Cards LED */
.led-card {
  background-color: var(--color-bg-card);
  padding: 32px;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  position: relative;
}

.led-card__indicator {
  width: 12px; height: 12px;
  border-radius: 50%;
  margin-bottom: 16px;
}

.led-card--green .led-card__indicator { background-color: var(--color-led-green); box-shadow: 0 0 12px var(--color-led-green); }
.led-card--red .led-card__indicator { background-color: var(--color-led-red); box-shadow: 0 0 12px var(--color-led-red); }
.led-card--blue .led-card__indicator { background-color: var(--color-led-blue); box-shadow: 0 0 12px var(--color-led-blue); }

.led-card__status { font-size: 0.7rem; letter-spacing: 1px; margin-bottom: 12px; color: var(--color-text-muted); }
.leds__quote { margin-top: 48px; text-align: center; font-family: var(--font-title); font-size: 1.2rem; color: var(--color-accent); }

/* Diferenciais */
.diff__grid { align-items: stretch; }

.diff-card {
  background-color: var(--color-bg-card);
  padding: 28px 20px;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  height: 100%;
}

.diff-card__icon { 
  font-size: 2rem; 
  margin-bottom: 12px; 
  color: var(--color-accent); 
  font-family: var(--font-title);
  line-height: 1;
}

.diff-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: #FFFFFF;
}

.diff-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* Planos */
.plan-card {
  background-color: var(--color-bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.plan-card--featured { border-color: var(--color-accent); }

.plan-card__image-wrapper {
  position: relative;
  height: 200px;
}

.plan-card__img { width: 100%; height: 100%; object-fit: cover; }

.plan-card__badge {
  position: absolute;
  top: 16px; right: 16px;
  padding: 4px 12px;
  background: rgba(0,0,0,0.7);
  border-radius: 12px;
  font-size: 0.7rem;
  letter-spacing: 1px;
}

.badge--accent { background: var(--color-accent); color: #FFF; }

.plan-card__body { padding: 32px; display: flex; flex-direction: column; flex-grow: 1; }
.plan-card__title { font-size: 1.5rem; margin-bottom: 12px; }
.plan-card__desc { color: var(--color-text-muted); font-size: 0.88rem; margin-bottom: 24px; }
.plan-card__features { list-style: none; margin-bottom: 32px; flex-grow: 1; }
.plan-card__features li { font-size: 0.88rem; margin-bottom: 12px; color: var(--color-text-main); display: flex; align-items: center; gap: 8px; }
.plan-card__features li::before { content: "✓"; color: var(--color-accent); }

/* Galeria */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gallery-item { height: 280px; border-radius: var(--border-radius); overflow: hidden; }
.gallery-item--large { grid-column: span 2; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition-smooth); }
.gallery-item:hover img { transform: scale(1.03); }

/* Seção Conceitual (Experiência) */
.concept-desc {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  text-align: center;
}

/* Accordion FAQ */
.accordion__item { border-bottom: 1px solid var(--color-border); }
.accordion__header {
  width: 100%;
  padding: 24px 0;
  background: none;
  border: none;
  color: #FFF;
  font-family: var(--font-title);
  font-size: 1.1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  text-align: left;
}

.accordion__content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; color: var(--color-text-muted); }
.accordion__content p { padding-bottom: 24px; font-size: 0.95rem; }

/* Contato Conceitual */
.contact-cta-wrapper {
  margin-top: 32px;
  display: flex;
  justify-content: center;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer { 
  padding: 48px 0 24px; 
  background-color: #040404; 
  border-top: 1px solid var(--color-border); 
}

.footer__container { 
  display: flex; 
  flex-direction: column;
  align-items: center; 
  text-align: center;
  gap: 24px;
  margin-bottom: 32px; 
}

.footer__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer__logo { 
  font-family: var(--font-title); 
  font-weight: 700; 
  font-size: 1.25rem; 
  white-space: nowrap;
  margin-bottom: 8px;
  color: #FFFFFF;
}

.footer__logo span { color: var(--color-accent); }

.footer__tagline {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer__portfolio-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  padding: 6px 16px;
  border-radius: 20px;
}

.footer__bottom { 
  color: var(--color-text-muted); 
  font-size: 0.78rem; 
  border-top: 1px solid var(--color-border); 
  padding-top: 20px; 
  line-height: 1.5;
}

.reveal { opacity: 0; transform: translateY(20px); transition: var(--transition-smooth); }
.reveal.active { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   MEDIA QUERIES
   ========================================================================== */
@media (max-width: 600px) {
  .diff__grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .diff-card { padding: 24px 20px; }
}

@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: 1fr; }
  .grid--2 { grid-template-columns: 1fr; }
  .gallery-item--large { grid-column: span 1; }
  .gallery-grid { grid-template-columns: 1fr; }
  
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    top: 80px; left: 0; width: 100%;
    background-color: var(--color-bg-main);
    border-bottom: 1px solid var(--color-border);
    padding: 32px 0;
    clip-path: circle(0% at 100% 0);
    transition: clip-path 0.4s ease-in-out;
  }
  .nav.active { clip-path: circle(150% at 100% 0); }
  .nav__list { flex-direction: column; gap: 20px; }
}

@media (min-width: 1025px) {
  .btn { width: auto !important; }
  .footer__container { 
    flex-direction: row; 
    justify-content: space-between; 
    text-align: left;
  }
  .footer__brand { align-items: flex-start; }
}