/* ========================================
   LUMINA FLOW - GLOBAL DESIGN SYSTEM
   ======================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500&family=Poppins:wght@400;500;600;700&display=swap');

/* Global Resets for Cleaner UI */
* {
    -webkit-tap-highlight-color: transparent;
}

*:focus {
    outline: none !important;
}

/* ========================================
   CSS VARIABLES / DESIGN TOKENS
   ======================================== */
:root {
    /* Paleta Base */
    --brand-blue: #1565FF;
    --brand-glow: #29D6FF;
    --brand-deep: #003BFF;
    --color-white: #F9FBFF;
    --color-light-gray: #E9EEF7;
    --color-dark-text: #1C2434;

    /* Aliases for compatibility */
    --color-primary: var(--brand-blue);
    --color-primary-glow: var(--brand-glow);
    --color-primary-deep: var(--brand-deep);

    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;
    
    /* Gradients */
    --gradient-primary: linear-gradient(90deg, #1565FF, #29D6FF);
    --gradient-hover: linear-gradient(90deg, #0057FF, #00CFFF);

    /* LOGO SIZE CONTROL */
    --logo-height-base: 160px;
    --logo-width-base: 225px;
    
    /* Shared Constants */
    --lp-radius: 20px;
    --lp-transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    --header-height: 120px;
    --z-header: 10000;
    --z-floating: 10001;
    --transition-base: all 0.3s ease;

    /* Theme: Dark (Tech Premium) - Default */
    --bg-main: #07111F;
    --bg-alt: #0B1220;
    --bg-sec: #111A2C;
    --bg-card: #121C30;
    --border-brand: rgba(255, 255, 255, 0.08);
    --text-main: #F4F8FF;
    --text-sec: #A4B0C5;
    --color-glow: 0 0 30px rgba(41, 214, 255, 0.15);

    /* Layout & Spacing */
    --container-max-width: 1440px;
    --container-padding: 2rem;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-btn: 0.75rem;
    --radius-input: 0.75rem;
    --radius-card: 1.25rem;
    --radius-full: 9999px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Compatibility aliases */
    --color-background: var(--bg-main);
    --color-card: var(--bg-card);
    --color-border: var(--border-brand);
    --color-text-main: var(--text-main);
    --color-text-primary: var(--text-main);
    --color-text-secondary: var(--text-sec);
    --color-text-muted: var(--text-sec);
    --color-footer-bg: var(--bg-alt);
    --color-footer-text: var(--text-main);
    --color-footer-muted: var(--text-sec);
}

/* Light Theme Adaptation */
[data-theme="light"] {
    --bg-main: #F7F9FC;
    --bg-alt: #FFFFFF;
    --bg-sec: #E9EEF7;
    --bg-card: #FFFFFF;
    --border-brand: #E8EEF7;
    --text-main: #182433;
    --text-sec: #3e4146;
    --color-glow: none;
}

/* Dark Theme (Explicitly defined again to ensure override if needed, though :root is dark) */
[data-theme="dark"] {
    --bg-main: #07111F;
    --bg-alt: #0B1220;
    --bg-sec: #111A2C;
    --bg-card: #121C30;
    --border-brand: rgba(255, 255, 255, 0.08);
    --text-main: #F4F8FF;
    --text-sec: #A4B0C5;
    --color-glow: 0 0 30px rgba(41, 214, 255, 0.15);
}

/* --- ELITE HEADER (GLOBAL) --- */
.landing-header {
  position: fixed !important;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  z-index: var(--z-header);
  background: rgba(7, 17, 31, 0.6);
  backdrop-filter: blur(25px) saturate(180%);
  -webkit-backdrop-filter: blur(25px) saturate(180%);
  border-bottom: 1px solid var(--border-brand);
  display: flex !important;
  align-items: center !important;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] .landing-header { 
    background: rgba(255, 255, 255, 0.8);
    border-bottom: 1px solid rgba(21, 101, 255, 0.1);
}

.landing-header--scrolled {
  height: 100px !important;
  background: rgba(7, 17, 31, 0.95);
  box-shadow: 0 15px 40px rgba(0,0,0,0.4);
}

.landing-header__bar { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    width: 100%;
    height: 100%;
    /* Garante que o conteúdo respeite o container e tenha padding de segurança lateral */
    padding: 0 1.5rem; 
    position: relative;
    z-index: 10000;
}

/* Logo Styling */
.landing-header__logo { 
  display: flex; 
  align-items: center; 
  text-decoration: none; 
  transition: all 0.4s ease;
  flex-shrink: 0;
}
.landing-header__logo:hover { transform: scale(1.02); }

.logo-image { 
  height: var(--logo-height-base) !important; 
  width: var(--logo-width-base) !important;
  min-width: var(--logo-width-base) !important;
  object-fit: cover !important;
  filter: drop-shadow(0 0 15px rgba(41, 214, 255, 0.25));
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.landing-header--scrolled .logo-image { 
    height: var(--logo-height-scrolled) !important; 
    width: var(--logo-width-scrolled) !important;
}

/* Visibility Control */
.landing-header__menu, .landing-header__mobile-auth { display: flex; }
@media (min-width: 1024px) {
    .landing-header__menu, .landing-header__mobile-auth { display: none !important; }
}

/* Desktop Navigation */
.landing-nav { 
    display: none; 
    align-items: center; 
    gap: 1.5rem;
    height: 100%;
}
@media (min-width: 1024px) { .landing-nav { display: flex; } }

.landing-nav__links { 
    display: flex; 
    list-style: none; 
    gap: 1.5rem;
    align-items: center;
}

.landing-nav__links a {
  color: var(--text-sec); 
  text-decoration: none; 
  font-weight: 700; 
  font-size: 1.05rem; /* Aumentado conforme solicitado */
  transition: all 0.3s ease;
  position: relative;
  white-space: nowrap;
}

.landing-nav__links a::after {
  content: ''; position: absolute; bottom: -8px; left: 0; width: 0; height: 2px;
  background: var(--brand-glow); transition: width 0.3s ease; border-radius: 2px;
}
.landing-nav__links a:hover { color: var(--text-main); }
.landing-nav__links a:hover::after { width: 100%; }

/* Controls Section (Select + Theme) */
.landing-nav__controls {
  display: flex; 
  align-items: center; 
  gap: 1rem;
  padding: 0 1.5rem;
  border-left: 1px solid var(--border-brand);
}

/* Custom Styled Language Selector */
.landing-nav__select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--bg-sec);
  border: 2px solid var(--border-brand);
  color: var(--text-main);
  padding: 10px 36px 10px 16px;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 800;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2329D6FF' stroke-width='3' 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 10px center;
  background-size: 18px;
  transition: all 0.3s ease;
}
.landing-nav__select:hover { border-color: var(--brand-blue); box-shadow: 0 0 15px rgba(21, 101, 255, 0.2); }

/* Auth Buttons Group */
.landing-nav__auth {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-shrink: 0;
}

/* --- BUTTON SYSTEM (GLOBAL RESTORED) --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-heading);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--radius-btn);
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
    text-decoration: none;
    white-space: nowrap;
}

.btn-sm {
    padding: 10px 22px !important;
    font-size: 0.9375rem !important;
}

.btn-primary {
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-glow)) !important;
    color: white !important;
    box-shadow: 0 8px 20px rgba(21, 101, 255, 0.25) !important;
}

.btn-primary:hover {
    background: linear-gradient(90deg, #0057FF, #00CFFF) !important;
    box-shadow: 0 12px 28px rgba(21, 101, 255, 0.45) !important;
    transform: translateY(-2px);
}

/* ══ Border beam — botão "Cadastrar" no header ══════════════════════
   Técnica: mask-composite:exclude → mostra APENAS o anel de borda.
   O conic-gradient cobre tudo, mas a máscara zera o centro —
   resultando numa "minhoca de luz" que orbita o contorno.
   ================================================================= */
@property --nav-btn-angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

.landing-nav__auth .btn-primary {
    position: relative;
    /* Sem isolation:isolate — usamos overflow:hidden para controle */
    overflow: hidden;
}

/* ── Faixa de brilho: visível SOMENTE no anel de 1.5px da borda ── */
.landing-nav__auth .btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;              /* cobre exatamente o botão */
    padding: 1.5px;        /* define a espessura do "anel" visível */
    border-radius: inherit;

    /* Cometa: cauda longa de ~165° com TRECHO BRANCO de ~45° */
    background: conic-gradient(
        from var(--nav-btn-angle),
        transparent            0deg,
        transparent            194deg,   /* início da cauda — imperceptível */
        rgba(41,214,255,0.01)  208deg,
        rgba(41,214,255,0.03)  226deg,
        rgba(41,214,255,0.08)  250deg,
        rgba(41,214,255,0.18)  274deg,
        rgba(41,214,255,0.42)  300deg,
        rgba(255,255,255,0.72) 314deg,   /* ← começo do trecho branco */
        rgba(255,255,255,0.90) 328deg,
        rgba(255,255,255,1.00) 342deg,   /* pico máximo */
        rgba(255,255,255,0.88) 350deg,
        rgba(41,214,255,0.32)  357deg,
        transparent            360deg
    );
    animation: nav-btn-beam 2.8s linear infinite;

    /* ── A máscara que resolve tudo ──
       Camada 1 (content-box): opaca dentro do conteúdo
       Camada 2 (border-box):  opaca em toda a caixa
       exclude (XOR) → opaco SOMENTE no anel de padding = a borda  */
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;

    pointer-events: none;
    z-index: 1;    /* acima do bg do botão; texto não é coberto pois
                      o anel fica na borda, não no centro do texto */
}

/* ── Glow externo suave que segue a minhoca ── */
.landing-nav__auth .btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    padding: 4px;
    border-radius: inherit;
    background: conic-gradient(
        from var(--nav-btn-angle),
        transparent            0deg,
        transparent            198deg,
        rgba(41,214,255,0.01)  212deg,
        rgba(41,214,255,0.02)  234deg,
        rgba(41,214,255,0.06)  260deg,
        rgba(41,214,255,0.13)  288deg,
        rgba(41,214,255,0.28)  316deg,
        rgba(41,214,255,0.45)  336deg,
        rgba(255,255,255,0.22) 348deg,
        rgba(41,214,255,0.08)  356deg,
        transparent            360deg
    );
    animation: nav-btn-beam 2.8s linear infinite;
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    filter: blur(4px);
    pointer-events: none;
    z-index: 0;
}

@keyframes nav-btn-beam {
    to { --nav-btn-angle: 360deg; }
}

/* No hover: congela a minhoca, mantém lift */
.landing-nav__auth .btn-primary:hover::before,
.landing-nav__auth .btn-primary:hover::after {
    animation-play-state: paused;
}



.btn-secondary {
    background-color: transparent !important;
    color: var(--brand-blue) !important;
    border: 2px solid var(--brand-glow) !important;
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: var(--brand-blue) !important;
    background-color: rgba(41, 214, 255, 0.05) !important;
    box-shadow: 0 0 20px rgba(41, 214, 255, 0.2);
}

/* Mobile Menu Trigger */
.landing-header__menu {
    width: 50px; height: 50px;
    flex-direction: column; justify-content: center; align-items: center; gap: 6px;
    background: var(--bg-sec); border: 2px solid var(--border-brand); border-radius: 14px;
    cursor: pointer;
    z-index: 10000; /* Stay above panel */
    position: relative;
}
.landing-header__menu-line { width: 22px; height: 2.5px; background: var(--text-main); border-radius: 10px; transition: all 0.3s ease; }

/* Hamburger Animation */
.landing-header--open .landing-header__menu-line:nth-child(1) { transform: translateY(8.5px) rotate(45deg); }
.landing-header--open .landing-header__menu-line:nth-child(2) { opacity: 0; }
.landing-header--open .landing-header__menu-line:nth-child(3) { transform: translateY(-8.5px) rotate(-45deg); }

/* Mobile Panel */
.landing-header__panel {
  position: fixed; 
  top: 0; left: 0; right: 0; 
  height: 100vh;
  width: 100vw;
  background-color: var(--bg-main) !important; 
  padding: calc(var(--header-height) + 2rem) 2rem 4rem; 
  z-index: 9999;
  display: flex; flex-direction: column; gap: 2.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  overflow-y: auto;
}
.landing-header--open .landing-header__panel { 
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* --- MAIN SPACING --- */
main { padding-top: calc(var(--header-height) - 300px); min-height: 100vh; }


/* Dark Theme */
[data-theme="dark"] {
    /* Dark Theme Colors */
    --color-background: #07111F;
    --color-card: #121C30;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-text-main: #F4F8FF;
    --color-text-primary: #F4F8FF;
    --color-text-secondary: #A4B0C5;
    --color-text-muted: #A4B0C5;
    --color-glow: rgba(41, 214, 255, 0.15);
    --color-footer-bg: #0B1220;
    --color-footer-text: #F4F8FF;
    --color-footer-muted: #A4B0C5;
}

/* Dark theme form inputs */
[data-theme="dark"] .form-input,
[data-theme="dark"] select.form-input {
    color: #F4F8FF !important;
    background-color: #121C30 !important;
}

[data-theme="dark"] .form-input option {
    background-color: #121C30;
    color: #F4F8FF;
}

/* ========================================
   CSS RESET & BASE STYLES
   ======================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

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

a:hover {
    color: var(--color-primary-glow);
}

/* ========================================
   LAYOUT UTILITIES
   ======================================== */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

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

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* ========================================
   RESPONSIVE GRID SYSTEM
   ======================================== */
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (min-width: 640px) {
    .sm\:grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .sm\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 768px) {
    .md\:grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
    .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
    .lg\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ========================================
   COMPONENTS
   ======================================== */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-heading);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--radius-btn);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-glow));
    color: var(--color-footer-text);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(90deg, #0057FF, #00CFFF);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary-glow);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: 0 0 20px rgba(41, 214, 255, 0.2);
}

.btn-success {
    background-color: var(--color-success);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-success:hover {
    background-color: var(--color-success-hover);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background-color: var(--color-card);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-input);
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(21, 101, 255, 0.1);
}

.form-input::placeholder {
    color: var(--color-text-secondary);
}

/* Cards */
.card {
    background-color: var(--color-card);
    border-radius: var(--radius-card);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

/* Glassmorphism Effect */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-dark {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.badge-indigo {
    background-color: rgba(21, 101, 255, 0.1);
    color: var(--color-primary);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-bold { font-weight: var(--font-weight-bold); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-medium { font-weight: var(--font-weight-medium); }

.text-navy { color: var(--color-text-main); }
.text-indigo { color: var(--color-primary); }
.text-slate { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }

.bg-white { background-color: var(--color-card); }
.bg-slate { background-color: var(--color-background); }
.bg-navy { background-color: var(--color-text-main); }

.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }

/* Theme Toggle Button */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-btn);
    border: 1px solid var(--color-border);
    background: var(--color-card);
    color: var(--color-text-main);
    cursor: pointer;
    transition: all 0.2s;
}

.theme-toggle:hover {
    background: var(--color-background);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
    transition: all 0.2s;
}

/* Logo Link */
.logo-link {
    text-decoration: none;
    outline: none;
}

.logo-link:focus {
    outline: none;
    box-shadow: none;
}

.logo-link::-moz-focus-inner {
    border: 0;
}

/* Logo Image */
.logo-image {
    height: var(--logo-height-base) !important; 
    width: var(--logo-width-base) !important;
    min-width: var(--logo-width-base) !important;
    object-fit: cover !important;
    transition: transform 0.3s ease, height 0.3s ease, width 0.3s ease;
}

.landing-header--scrolled .logo-image {
    height: var(--logo-height-scrolled) !important;
    width: var(--logo-width-scrolled) !important;
    min-width: var(--logo-width-scrolled) !important;
}

.logo-link:hover .logo-image {
    animation: logo-spin 0.6s ease-in-out;
}

@keyframes logo-spin {
    0% {
        transform: rotate(0deg) scale(1);
    }
    50% {
        transform: rotate(180deg) scale(1.1);
        }
        100% {
        transform: rotate(360deg) scale(1);
    }
}

/* ========================================
   RESPONSIVE BREAKPOINTS
   ======================================== */
@media (max-width: 640px) {
    :root {
        --container-padding: var(--spacing-md);
    }
    
    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }
    h3 { font-size: var(--font-size-xl); }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    .card {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   LANGUAGE SELECTION MODAL
   ======================================== */
.language-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.language-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
}

.language-modal-content {
    position: relative;
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl);
    max-width: 480px;
    width: 90%;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.language-modal-content h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-navy);
    margin-bottom: var(--spacing-2xl);
}

.language-modal-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   RESPONSIVE DESIGN - GLOBAL
   ======================================== */

@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 var(--spacing-lg);
    }
}

@media (max-width: 992px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    h1 {
        font-size: var(--font-size-4xl);
    }
    
    h2 {
        font-size: var(--font-size-3xl);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 80px;
    }
    .container {
        padding: 0 var(--spacing-md);
    }
    
    h1 {
        font-size: var(--font-size-3xl);
    }
    
    h2 {
        font-size: var(--font-size-2xl);
    }
    
    h3 {
        font-size: var(--font-size-xl);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    .btn-sm {
        padding: 6px 12px;
        font-size: var(--font-size-xs);
    }
    
    .language-modal-content {
        padding: var(--spacing-2xl);
        max-width: 400px;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    h1 {
        font-size: var(--font-size-2xl);
    }
    
    h2 {
        font-size: var(--font-size-xl);
    }
    
    h3 {
        font-size: var(--font-size-lg);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .language-modal-content {
        padding: var(--spacing-xl);
        max-width: 350px;
    }
    
    .language-modal-buttons {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .language-modal-buttons .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    h1 {
        font-size: var(--font-size-xl);
    }
    
    h2 {
        font-size: var(--font-size-lg);
    }
    
    h3 {
        font-size: var(--font-size-base);
    }
    
    .btn {
        padding: 8px 12px;
        font-size: var(--font-size-xs);
    }
    
    .language-modal-content {
        padding: var(--spacing-lg);
        max-width: 300px;
    }
}

@media (max-width: 360px) {
    h1 {
        font-size: var(--font-size-lg);
    }
    
    h2 {
        font-size: var(--font-size-base);
    }
    
    .btn {
        padding: 6px 10px;
        font-size: 11px;
    }
    
    .language-modal-content {
        padding: var(--spacing-md);
        max-width: 280px;
    }
}

/* Logo Theme Switching - Exclusive Visibility */
.logo--light, .logo--dark { display: none !important; }

/* Desktop Logos (1024px+) */
@media (min-width: 1024px) {
    .logo--desktop { display: none !important; }
    [data-theme="light"] .logo--desktop.logo--light { display: inline-block !important; }
    [data-theme="dark"] .logo--desktop.logo--dark { display: inline-block !important; }
    .logo--mobile { display: none !important; }
}

/* Mobile Logos (< 1024px) */
@media (max-width: 1023px) {
    .logo--mobile { display: none !important; }
    [data-theme="light"] .logo--mobile.logo--light { display: inline-block !important; }
    [data-theme="dark"] .logo--mobile.logo--dark { display: inline-block !important; }
    .logo--desktop { display: none !important; }

    /* Centering the logo in the header on mobile */
    .landing-header__logo {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .landing-header__bar {
        position: relative;
    }

    .logo-image {
        height: 90px !important;
        width: auto !important;
        min-width: unset !important;
    }
}

/* --- GLOBAL FLOATING ACTIONS --- */
.floating-actions {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 10002;
}

.floating-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    border: none;
    text-decoration: none;
}

.floating-btn:hover { transform: scale(1.1) translateY(-5px); }

.btn-whatsapp {
    background: #25D366;
    color: white !important;
}

.btn-lumy {
    background: white;
    padding: 0;
    overflow: hidden;
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box,
                linear-gradient(90deg, #1565FF, #29D6FF) border-box;
}

[data-theme="dark"] .btn-lumy {
    background: #0f172a;
    background: linear-gradient(#0f172a, #0f172a) padding-box,
                linear-gradient(90deg, #1565FF, #29D6FF) border-box;
}

.btn-lumy img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 768px) {
    .floating-actions { bottom: 1.5rem; right: 1.5rem; }
    .floating-btn { width: 50px; height: 50px; }
}

/* ========================================
   LUMINA FLOW - PREMIUM TOAST SYSTEM
   ======================================== */

#lf-toast-container-global {
    position: fixed;
    top: 100px; /* Lowered slightly to clear headers */
    right: 24px;
    z-index: 999999 !important; /* Ultimate priority */
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
}

.lf-toast {
    pointer-events: auto;
    width: 320px;
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(255, 255, 255, 0.5) !important;
    border-radius: 16px;
    padding: 16px 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15) !important;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    animation: toastSlideIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    visibility: visible !important;
    opacity: 1 !important;
}

[data-theme='dark'] .lf-toast {
    background: rgba(18, 28, 48, 0.95) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4) !important;
}

@keyframes toastSlideIn {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toastSlideOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(100px); }
}

.lf-toast.closing {
    animation: toastSlideOut 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.lf-toast-content {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.lf-toast-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lf-toast-message {
    font-size: 0.95rem;
    font-weight: 600;
    color: #182433;
    line-height: 1.4;
}

[data-theme='dark'] .lf-toast-message {
    color: #F4F8FF;
}

.lf-toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--color-primary, #1565FF);
    width: 100%;
    transform-origin: left;
}

@keyframes toastProgress {
    from { transform: scaleX(1); }
    to { transform: scaleX(0); }
}

.lf-toast--success .lf-toast-progress { background: #10B981; }
.lf-toast--success .lf-toast-icon { color: #10B981; }

.lf-toast--error .lf-toast-progress { background: #EF4444; }
.lf-toast--error .lf-toast-icon { color: #EF4444; }

.lf-toast--info .lf-toast-progress { background: #1565FF; }
.lf-toast--info .lf-toast-icon { color: #1565FF; }

.lf-toast--warning .lf-toast-progress { background: #F59E0B; }
.lf-toast--warning .lf-toast-icon { color: #F59E0B; }

/* ========================================
   LUMINA FLOW - PREMIUM CONFIRM SYSTEM
   ======================================== */

.lf-confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(7, 17, 31, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.lf-confirm-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

.lf-confirm-card {
    width: 100%;
    max-width: 400px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.2);
    transform: scale(0.9);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
}

[data-theme='dark'] .lf-confirm-card {
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.lf-confirm-overlay.is-visible .lf-confirm-card {
    transform: scale(1);
}

.lf-confirm-icon {
    width: 64px;
    height: 64px;
    background: rgba(21, 101, 255, 0.1);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

[data-theme='dark'] .lf-confirm-icon {
    background: rgba(41, 214, 255, 0.1);
    color: var(--brand-glow);
}

.lf-confirm-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text-main);
}

.lf-confirm-message {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 32px;
}

.lf-confirm-actions {
    display: flex;
    gap: 12px;
}

.lf-confirm-btn {
    flex: 1;
    padding: 14px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.lf-confirm-btn--primary {
    background: var(--color-primary);
    color: white;
}

.lf-confirm-btn--primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.lf-confirm-btn--secondary {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
}

.lf-confirm-btn--secondary:hover {
    background: rgba(255,255,255,0.05);
}

.lf-confirm-btn--danger {
    background: #EF4444;
    color: white;
}

.lf-confirm-btn--danger:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}