/* shell.css — casca compartilhada do Portal Lunitec (todas as páginas herdam):
   4 temas, navbar, animação de fundo (containers), rodapé e base tipográfica.
   Estilos específicos de página (landing, apps) ficam ao final, isolados. */

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
.section, .hero, .apps-head { scroll-margin-top: 84px; }

/* ===== THEMES ===== */
body.theme-v1 {
  --text-color: #D7E1FF; --bg-color: #070A12;
  --border-color: rgba(215,225,255,0.10); --border-color-hover: rgba(215,225,255,0.60);
  --btn-bg: rgba(215,225,255,0.08); --btn-bg-hover: rgba(215,225,255,0.18);
  --overlay-color: rgba(26,40,71,0.30); --overlay-color-end: rgba(2,10,25,0.70);
  --bg-image-brightness: brightness(0.85); --nav-bg: rgba(7,10,18,0.45); --video-opacity: 0.85;
  --ln-cyan: #27E6FF; --ln-purple: #7C3AED;
  --grad: linear-gradient(135deg, #1A5FFF, #27E6FF);
  --title-grad: linear-gradient(135deg, #D7E1FF 0%, #27E6FF 55%, #7C3AED 100%);
  --progress-grad: linear-gradient(90deg, #1A5FFF, #D7E1FF);
}
body.theme-v2 {
  --text-color: #0F172A; --bg-color: #F4F7FB;
  --border-color: rgba(15,23,42,0.14); --border-color-hover: rgba(15,23,42,0.50);
  --btn-bg: rgba(15,23,42,0.07); --btn-bg-hover: rgba(15,23,42,0.14);
  --overlay-color: rgba(244,247,251,0.45); --overlay-color-end: rgba(244,247,251,0.80);
  --bg-image-brightness: brightness(1.15) saturate(0.55); --nav-bg: rgba(255,255,255,0.80); --video-opacity: 0.45;
  --ln-cyan: #22C55E; --ln-purple: #60A5FA;
  --grad: linear-gradient(135deg, #22C55E, #60A5FA);
  --title-grad: linear-gradient(135deg, #15803D, #2563EB);
  --progress-grad: linear-gradient(90deg, #22C55E, #60A5FA);
}
body.theme-v3 {
  --text-color: #1F2937; --bg-color: #FFF7ED;
  --border-color: rgba(31,41,55,0.14); --border-color-hover: rgba(31,41,55,0.50);
  --btn-bg: rgba(249,115,22,0.09); --btn-bg-hover: rgba(249,115,22,0.18);
  --overlay-color: rgba(255,247,237,0.45); --overlay-color-end: rgba(255,247,237,0.82);
  --bg-image-brightness: brightness(1.10) saturate(0.80) sepia(0.15); --nav-bg: rgba(255,247,237,0.84); --video-opacity: 0.40;
  --ln-cyan: #F97316; --ln-purple: #A855F7;
  --grad: linear-gradient(135deg, #F97316, #A855F7);
  --title-grad: linear-gradient(135deg, #F97316, #A855F7);
  --progress-grad: linear-gradient(90deg, #F97316, #A855F7);
}
body.theme-v4 {
  --text-color: #EAFFFF; --bg-color: #00040A;
  --border-color: rgba(0,255,255,0.22); --border-color-hover: rgba(0,255,255,0.70);
  --btn-bg: rgba(0,255,255,0.06); --btn-bg-hover: rgba(0,255,255,0.13);
  --overlay-color: rgba(0,4,10,0.20); --overlay-color-end: rgba(0,4,10,0.82);
  --bg-image-brightness: brightness(0.15); --nav-bg: rgba(0,4,10,0.68); --video-opacity: 0.10;
  --ln-cyan: #00FFFF; --ln-purple: #FF00FF;
  --grad: linear-gradient(135deg, #00FFFF, #2B8CFF, #FF00FF);
  --title-grad: linear-gradient(135deg, #EAFFFF 0%, #00FFFF 42%, #7C5CFF 75%, #FF00FF 100%);
  --progress-grad: linear-gradient(90deg, #00FFFF, #FF00FF);
}

body {
  font-family: 'Space Grotesk', 'Courier New', system-ui, sans-serif;
  color: var(--text-color); background: var(--bg-color);
  min-height: 100vh; width: 100%;
  display: flex; flex-direction: column; /* rodapé sempre no fim (mesmo com pouco conteúdo) */
  transition: color 0.4s, background 0.4s;
  -webkit-font-smoothing: antialiased;
}
.page { flex: 1 0 auto; }
.footer { flex-shrink: 0; }

/* ===== NEON LAYER (theme-v4) ===== */
.neon-layer { display: none; position: fixed; inset: 0; pointer-events: none; z-index: 1; }
body.theme-v4 .neon-layer { display: block; }
.neon-bg { background: linear-gradient(45deg, #000428 0%, #001428 100%); opacity: 0.55; }
.neon-grid {
  background-image: linear-gradient(rgba(0,255,255,0.10) 1px, transparent 1px), linear-gradient(90deg, rgba(0,255,255,0.10) 1px, transparent 1px);
  background-size: 50px 50px; animation: neonGrid 22s linear infinite; opacity: 0.55;
}
@keyframes neonGrid { 0% { transform: translate(0,0); } 100% { transform: translate(50px,50px); } }

/* ===== BACKGROUND (fixo atrás de tudo) ===== */
.background-container { position: fixed; inset: 0; z-index: 0; }
.video-background {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: var(--video-opacity); filter: var(--bg-image-brightness) contrast(1.2) saturate(0.9);
  transition: opacity 0.5s ease-in-out, filter 0.4s;
}
.video-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 50%, var(--overlay-color) 0%, var(--overlay-color-end) 100%);
  pointer-events: none; transition: background 0.4s;
}
#canvas-bg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; height: 72px;
  backdrop-filter: blur(20px); background: var(--nav-bg);
  border-bottom: 1px solid var(--border-color);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px; z-index: 1000; transition: background 0.4s, border-color 0.4s;
}
body.theme-v4 .navbar { box-shadow: 0 1px 0 rgba(0,255,255,0.18), 0 4px 24px rgba(0,0,0,0.55); }

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; cursor: pointer; user-select: none; }
.brand__icon { width: 34px; height: 34px; filter: drop-shadow(0 4px 12px rgba(0,0,0,0.35)); flex-shrink: 0; transition: filter 0.4s; }
body.theme-v4 .brand__icon { filter: drop-shadow(0 0 10px rgba(0,255,255,0.45)); }
.brand__words { display: flex; flex-direction: column; line-height: 1.1; }
.brand__text {
  font-weight: 900; font-size: 19px; letter-spacing: -0.01em;
  background: var(--title-grad); -webkit-background-clip: text; background-clip: text; color: transparent; transition: background 0.4s;
}
body.theme-v4 .brand__text { font-family: 'Orbitron', 'Space Grotesk', sans-serif; filter: drop-shadow(0 0 8px rgba(0,255,255,0.30)); }
.brand__sub { font-weight: 700; font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-color); opacity: 0.48; margin-top: 3px; transition: color 0.4s, opacity 0.4s; }

.navbar-menu { display: flex; gap: 18px; align-items: center; }
.navbar-menu a {
  color: var(--text-color); text-decoration: none; font-size: 12px; letter-spacing: 1px;
  text-transform: uppercase; opacity: 0.72; cursor: pointer; transition: opacity 0.25s, text-shadow 0.25s;
}
.navbar-menu a:hover, .navbar-menu a.active { opacity: 1; text-shadow: 0 0 10px var(--ln-cyan); }

/* Switcher de tema */
.visualSwitcher { display: flex; gap: 2px; background: var(--btn-bg); border: 1px solid var(--border-color); border-radius: 4px; padding: 3px; transition: background 0.4s, border-color 0.4s; }
.visualSwitcher__btn { background: none; border: 1px solid transparent; color: var(--text-color); font-family: 'Courier New', monospace; font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; padding: 5px 10px; border-radius: 2px; cursor: pointer; opacity: 0.50; transition: all 0.2s; }
.visualSwitcher__btn:hover { opacity: 0.90; background: var(--btn-bg-hover); }
.visualSwitcher__btn.active { opacity: 1; background: var(--btn-bg-hover); border-color: var(--border-color-hover); }
body.theme-v4 .visualSwitcher__btn.active { text-shadow: 0 0 10px var(--ln-cyan); box-shadow: 0 0 10px rgba(0,255,255,0.15); }

/* Idioma */
.langDropdown { position: relative; }
.langToggle { background: none; border: 1px solid var(--border-color); color: var(--text-color); width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; cursor: pointer; border-radius: 4px; transition: border-color 0.2s, background 0.2s; }
.langToggle:hover, .langToggle.open { border-color: var(--border-color-hover); background: var(--btn-bg); }
.langMenu { position: absolute; top: calc(100% + 8px); right: 0; background: var(--nav-bg); backdrop-filter: blur(24px); border: 1px solid var(--border-color); border-radius: 4px; overflow: hidden; min-width: 138px; opacity: 0; pointer-events: none; transform: translateY(-6px); transition: opacity 0.18s, transform 0.18s; z-index: 2000; }
.langMenu.open { opacity: 1; pointer-events: all; transform: translateY(0); }
.langBtn { width: 100%; background: none; border: none; color: var(--text-color); font-family: 'Courier New', monospace; font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; padding: 11px 14px; text-align: left; cursor: pointer; display: flex; align-items: center; gap: 8px; opacity: 0.68; transition: background 0.15s, opacity 0.15s; }
.langBtn:hover { background: var(--btn-bg-hover); opacity: 1; }
.langBtn.active { opacity: 1; background: var(--btn-bg); }
.lang-flag { font-size: 15px; }

/* ===== HELPERS ===== */
.gradient-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; text-decoration: none;
  font-weight: 700; font-size: 13px; letter-spacing: 0.04em; padding: 13px 22px; border-radius: 8px;
  border: 1px solid var(--border-color); color: var(--text-color); background: var(--btn-bg);
  cursor: pointer; transition: transform 0.2s, border-color 0.2s, background 0.3s, box-shadow 0.2s;
  backdrop-filter: blur(10px);
}
.btn:hover { transform: translateY(-2px); border-color: var(--border-color-hover); background: var(--btn-bg-hover); }
.btn--primary { border: none; color: #fff; background: var(--grad); }
body.theme-v2 .btn--primary, body.theme-v3 .btn--primary { color: #fff; }
.btn--primary:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.25); }
.btn--sm { padding: 9px 15px; font-size: 12px; }

/* ===== NAVBAR SPACER + SCROLL PAGE ===== */
.page { position: relative; z-index: 10; padding-top: 72px; }
.section { max-width: 1080px; margin: 0 auto; padding: 92px 40px; }
.eyebrow { font-family: 'Courier New', monospace; font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase; opacity: 0.85; margin-bottom: 14px; color: var(--ln-cyan); transition: color 0.4s; }
.section h2 { font-size: clamp(26px, 4vw, 38px); font-weight: 800; letter-spacing: -0.01em; margin-bottom: 12px; }

/* Títulos acompanham o tema: gradiente da marca (troca junto com o tema). */
.hero h1, .section h2, .apps-head h1 {
  background: var(--title-grad);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  transition: background 0.4s;
}
.section .lede { font-size: 16px; line-height: 1.75; opacity: 0.78; max-width: 620px; }

/* ===== CARD GENÉRICO (glass) ===== */
.glass-card {
  background: var(--btn-bg); border: 1px solid var(--border-color); border-radius: 12px;
  padding: 26px; backdrop-filter: blur(14px);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s, background 0.4s;
}
.glass-card:hover { transform: translateY(-4px); border-color: var(--border-color-hover); background: var(--btn-bg-hover); }
body.theme-v4 .glass-card:hover { box-shadow: 0 0 24px rgba(0,255,255,0.18); }

/* ===== FOOTER ===== */
.footer {
  position: relative; z-index: 10; backdrop-filter: blur(20px); background: var(--nav-bg);
  border-top: 1px solid var(--border-color); padding: 22px 40px;
  display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  transition: background 0.4s, border-color 0.4s;
}
.footer-text { font-size: 11px; letter-spacing: 1px; text-transform: uppercase; opacity: 0.58; }
.footer-links { display: flex; gap: 16px; }
.footer-links a { color: var(--text-color); opacity: 0.6; font-size: 11px; letter-spacing: 1px; text-transform: uppercase; text-decoration: none; }
.footer-links a:hover { opacity: 1; text-shadow: 0 0 10px var(--ln-cyan); }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease-out, transform 0.7s ease-out; }
.reveal.in { opacity: 1; transform: translateY(0); }

::-webkit-scrollbar { width: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--btn-bg-hover); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-color-hover); }

/* ===================== LANDING ===================== */
.hero { min-height: calc(100vh - 72px); display: flex; flex-direction: column; justify-content: center; max-width: 1080px; margin: 0 auto; padding: 40px; }
.hero h1 { font-size: clamp(38px, 7vw, 74px); font-weight: 900; line-height: 1.04; letter-spacing: -0.02em; margin: 8px 0 20px; max-width: 15ch; }
.hero p { font-size: clamp(16px, 2vw, 20px); line-height: 1.7; opacity: 0.82; max-width: 60ch; margin-bottom: 34px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.scroll-hint { margin-top: 54px; font-family: 'Courier New', monospace; font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; opacity: 0.45; }

.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; margin-top: 34px; }
.pillar__ic { font-size: 26px; margin-bottom: 12px; }
.pillar h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.pillar p { font-size: 14px; line-height: 1.7; opacity: 0.72; }

.prod-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; margin-top: 30px; }
.contact-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 30px; }
.contact-card { display: flex; flex-direction: column; gap: 8px; text-decoration: none; color: var(--text-color); }
.contact-card .ic { font-size: 24px; }
.contact-card .k { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; opacity: 0.6; }
.contact-card .v { font-size: 15px; font-weight: 700; }

/* ===================== APPS GRID ===================== */
.apps-head { max-width: 1080px; margin: 0 auto; padding: 40px 40px 0; }
.apps-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; max-width: 1080px; margin: 0 auto; padding: 24px 40px 80px; }
.app-card { position: relative; display: block; text-decoration: none; color: var(--text-color); background: var(--btn-bg); border: 1px solid var(--border-color); border-radius: 12px; padding: 26px; backdrop-filter: blur(14px); transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s, background 0.4s; overflow: hidden; }
.app-card:hover { transform: translateY(-4px); border-color: var(--border-color-hover); background: var(--btn-bg-hover); }
body.theme-v4 .app-card:hover { box-shadow: 0 0 24px rgba(0,255,255,0.18); }
.app-card__ic { font-size: 30px; margin-bottom: 14px; }
.app-card__logo { width: 52px; height: 52px; border-radius: 13px; display: block; margin-bottom: 14px; box-shadow: 0 6px 18px rgba(0,0,0,0.22); }
.app-card__name { font-weight: 700; font-size: 20px; letter-spacing: 0.02em; margin-bottom: 10px; }
.app-card__desc { font-size: 13px; line-height: 1.7; opacity: 0.68; margin-bottom: 18px; min-height: 44px; }
.app-card__actions { display: flex; gap: 10px; flex-wrap: wrap; }
.app-card__go { font-size: 11px; letter-spacing: 1px; text-transform: uppercase; font-weight: 700; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.app-card.soon { opacity: 0.55; pointer-events: none; }
.app-card__flag { position: absolute; top: 16px; right: 16px; font-size: 9px; letter-spacing: 1px; text-transform: uppercase; padding: 3px 8px; border: 1px solid var(--border-color); border-radius: 4px; opacity: 0.7; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .navbar { padding: 0 20px; }
  .navbar-menu { gap: 10px; }
  .visualSwitcher__btn { padding: 4px 8px; font-size: 9px; }
  .section, .hero, .apps-head, .apps-grid { padding-left: 22px; padding-right: 22px; }
}
@media (max-width: 680px) {
  .brand__sub { display: none; }
  .navbar-menu .nav-link { display: none; }
}