/* ===== Nova Estrutura Portugal — Design System ===== */
/* Dark Industrial Glassmorphism | Mobile-First   */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Oswald:wght@700&family=Montserrat:wght@500&display=swap');

/* ─── Custom Properties (Light Mode) ─────────────────── */
:root {
  /* Backgrounds (Light Slate) */
  --bg-950: #f8fafc;
  --bg-900: #f1f5f9;
  --bg-800: #e2e8f0;
  --bg-700: #cbd5e1;
  --bg-600: #94a3b8;

  /* Accent — Professional Amber */
  --accent-500: #d97706;
  --accent-400: #f59e0b;
  --accent-300: #fbbf24;
  --accent-glow: rgba(217, 119, 6, 0.08);

  /* Text (Dark Slate) */
  --text-100: #0f172a;
  --text-200: #1e293b;
  --text-400: #475569;
  --text-600: #64748b;

  /* Glass (Light Mode) */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.06);
  --glass-hover: rgba(255, 255, 255, 0.95);
  --glass-shadow: 0 8px 32px 0 rgba(15, 23, 42, 0.08);

  /* Semantic */
  --success: #10b981;
  --danger: #ef4444;

  /* Legacy / Advanced Simulator Compatibility */
  --primary-color: #d97706; /* Match accent-500 */
  --text-color: #0f172a;

  /* Radius */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;

  /* Transitions */
  --t-fast: 150ms ease;
  --t-med: 280ms ease;
  --t-slow: 450ms cubic-bezier(.4,0,.2,1);
}

/* ─── Reset ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-950);
  color: var(--text-200);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ─── Transitions ─────────────────────────────────── */
body.lang-switching {
  opacity: 0;
  /* Safety: if JS crashes and never removes this class, page auto-recovers after 600ms */
  animation: lang-switch-recover 0.6s ease 0.5s forwards;
}
@keyframes lang-switch-recover {
  to { opacity: 1; }
}

.hidden { display: none !important; }
.mobile-only { display: none !important; }

@media (max-width: 991px) {
  .desktop-only { display: none !important; }
  .mobile-only { display: block !important; }
}

body {
  transition: opacity 120ms ease;
}


/* ─── Typography ─────────────────────────────────── */
.text-display {
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-100);
}
.text-h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-100);
}
.text-h3 { font-size: 1.2rem; font-weight: 600; color: var(--text-100); }
.text-body { font-size: 1rem; color: var(--text-400); line-height: 1.7; }
.text-sm { font-size: 0.875rem; color: var(--text-400); }
.text-xs { font-size: 0.75rem; color: var(--text-600); letter-spacing: 0.04em; }
.text-accent { color: var(--accent-500); }

/* ─── Layout ─────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }

/* ─── Badges ─────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--accent-glow);
  color: var(--accent-400);
  border: 1px solid rgba(245, 158, 11, 0.25);
  margin-bottom: 1rem;
}

/* ─── Buttons ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: var(--r-md);
  font-size: 0.92rem;
  font-weight: 600;
  transition: all var(--t-med);
  border: none;
  cursor: pointer;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent-500);
  color: #000;
}
.btn-primary:hover {
  background: var(--accent-300);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(245, 158, 11, 0.35);
}
.btn-secondary {
  background: transparent;
  color: var(--text-100);
  border: 1px solid var(--glass-border);
}
.btn-secondary:hover {
  background: var(--glass-bg);
  border-color: rgba(255,255,255,0.14);
  transform: translateY(-2px);
}
.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text-200);
  border: 1px solid var(--glass-border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.09); }
.btn-lg { padding: 1rem 2.25rem; font-size: 1rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ─── Glass Card ─────────────────────────────────── */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-xl);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.glass-card-hover {
  transition: all var(--t-med);
}
.glass-card-hover:hover {
  background: var(--glass-hover);
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
}

/* ─── Form Inputs ─────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-400);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.form-input {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-sm);
  color: var(--text-100);
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  width: 100%;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.form-input::placeholder { color: var(--text-600); }
.form-input:focus {
  border-color: var(--accent-500);
  box-shadow: 0 0 0 3px rgba(245,158,11,0.12);
}
.form-input.input-error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.12);
}
select.form-input {
  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'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  padding-right: 2.5rem;
}
select.form-input option { background: var(--bg-800); color: var(--text-100); }
textarea.form-input { resize: vertical; min-height: 100px; }
.field-error { font-size: 0.78rem; color: var(--danger); }

/* ─── Header ─────────────────────────────────────── */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--t-med), box-shadow var(--t-med), backdrop-filter var(--t-med);
}
#site-header.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--glass-border);
}

/* ─── Brand Logo Component ─────────────────────── */
.brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 0;
}
.brand-icon {
  height: 100px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
  margin-top: -10px;
  margin-bottom: -40px;
  transition: transform var(--t-med);
}
@media (max-width: 768px) {
  .brand-icon {
    height: 60px;
    margin-bottom: -15px;
  }
}
.brand-icon:hover {
  transform: scale(1.03);
}
.brand-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-left: -1rem;
}
.brand-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1;
  text-transform: uppercase;
  background: linear-gradient(135deg, #f8fafc 0%, #cbd5e1 30%, #64748b 60%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.01em;
  transform: scaleY(1.3);
  transform-origin: bottom center;
  margin-bottom: 0.35rem;
  transition: all var(--t-med);
}
@media (max-width: 768px) {
  .brand-title { font-size: 1.1rem; margin-bottom: 0.1rem; }
}
#site-header.scrolled .brand-title {
  background: linear-gradient(135deg, #1e293b 0%, #334155 30%, #0f172a 60%, #475569 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}
.brand-subtitle {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.38rem;
  font-weight: 500;
  color: var(--text-600);
  letter-spacing: 0.18em;
  line-height: 1.4;
  text-align: center;
  white-space: nowrap;
}
@media (max-width: 768px) {
  .brand-subtitle { font-size: 0.28rem; letter-spacing: 0.1em; }
}
#site-header.scrolled .brand-subtitle {
  color: #334155;
  font-weight: 600;
}

.footer-logo .brand-title {
  background: linear-gradient(135deg, #f8fafc 0%, #cbd5e1 30%, #64748b 60%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}
.footer-logo .brand-subtitle {
  color: #e2e8f0;
}

@media (max-width: 1080px) {
  .brand-icon { height: 95px; }
  .brand-title { font-size: 1.25rem; }
  .brand-subtitle { font-size: 0.32rem; letter-spacing: 0.02em; }
}
@media (max-width: 880px) {
  .brand-icon { height: 75px; }
  .brand-title { font-size: 1.05rem; margin-bottom: 0; }
  .brand-subtitle { display: none; }
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: #f8fafc;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
  transition: color var(--t-fast);
  padding: 0.25rem 0;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--accent-500);
  transition: width var(--t-med);
  border-radius: 1px;
}
.nav-link:hover { color: #ffffff; }
.nav-link:hover::after { width: 100%; }

/* Scrolled Nav Colors */
#site-header.scrolled .nav-link {
  color: var(--text-200);
  font-weight: 600;
  text-shadow: none;
}
#site-header.scrolled .nav-link:hover {
  color: #000000;
}

/* Base Mobile Nav Toggle */
#nav-toggle {
  background: none;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  padding: 0.4rem 0.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  transition: all var(--t-fast);
  cursor: pointer;
}
#nav-toggle:hover { background: rgba(255,255,255,0.1); }
#site-header.scrolled #nav-toggle {
  border-color: var(--glass-border);
  color: var(--text-200);
}
#site-header.scrolled #nav-toggle:hover {
  background: var(--bg-800);
}

/* ─── Hero ───────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}
.hero-image-bg-container {
  position: absolute;
  inset: 0;
  z-index: 0;
  /* Static fallback to prevent black flash on first load */
  background-image: url('../arquivos/Fotos/construcao-pavilhao-industrial-portugal.jpeg');
  background-size: cover;
  background-position: center;
  background-color: var(--bg-950);
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  /* 5 slides * 15s per slide = 75s total cycle */
  animation: heroFadeCycle 75s infinite linear;
}

@keyframes heroFadeCycle {
  0%   { opacity: 0; transform: scale(1); }
  5%   { opacity: 1; transform: scale(1.02); }   /* 3.75s crossfade in + start subtle zoom */
  20%  { opacity: 1; transform: scale(1.05); }   /* stay visible until 15s */
  25%  { opacity: 0; transform: scale(1.06); }   /* 3.75s crossfade out */
  100% { opacity: 0; transform: scale(1); }
}

.hero-gradient-overlay {
  position: absolute;
  inset: 0;
  /* Deep gradient on the left for text legibility, transparent on the right */
  background-image: linear-gradient(to right, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.6) 45%, rgba(15, 23, 42, 0.1) 100%);
  z-index: 1;
}

/* Base override for text visibility in Hero */
#hero .text-display { color: #ffffff; text-shadow: 0 4px 16px rgba(0,0,0,0.6); }
#hero .text-body { color: #f8fafc; text-shadow: 0 2px 8px rgba(0,0,0,0.5); font-weight: 400; }
#hero .hero-accent-line { color: var(--accent-400); text-shadow: 0 2px 10px rgba(245,158,11,0.25); }
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245,158,11,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,158,11,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}
.hero-glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,158,11,0.08) 0%, transparent 70%);
  top: -100px; right: -200px;
  pointer-events: none;
}
.hero-glow-2 {
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.06) 0%, transparent 70%);
  bottom: -100px; left: -100px;
  pointer-events: none;
}
.hero-accent-line {
  display: inline-block;
  background: linear-gradient(90deg, var(--accent-500), var(--accent-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stats { display: flex; gap: 2.5rem; flex-wrap: wrap; margin-top: 2.5rem; }
.hero-stat-value { font-size: 1.8rem; font-weight: 800; color: var(--text-100); line-height: 1; }
.hero-stat-label { font-size: 0.78rem; color: var(--text-400); font-weight: 500; margin-top: 0.25rem; }
.hero-stat-divider { width: 1px; background: var(--glass-border); }

/* ─── Services Grid ──────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.service-card {
  padding: 2rem;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-500), transparent);
  opacity: 0;
  transition: opacity var(--t-med);
}
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 52px; height: 52px;
  border-radius: var(--r-md);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(245,158,11,0.2);
  transition: all var(--t-med);
}
.service-card:hover .service-icon {
  background: rgba(245,158,11,0.22);
  box-shadow: 0 0 20px rgba(245,158,11,0.2);
}
.elite-img-wrapper {
  overflow: hidden;
  border-radius: var(--r-md);
  margin-bottom: 1.25rem;
}
.elite-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: center;
  transition: transform var(--t-med), filter var(--t-med);
  filter: brightness(0.6) contrast(1.1) saturate(0.8);
}
.service-card:hover .elite-img {
  transform: scale(1.05);
  filter: brightness(0.85) contrast(1.1) saturate(1);
}
.gallery-img {
    width: 100%;
    max-height: 600px;
    object-fit: cover;
    object-position: center;
    border-radius: 12px;
    filter: brightness(0.65) contrast(1.1) saturate(0.85); /* Premium glassmorphism integration */
    transition: filter 0.4s ease;
}

.gallery-img:hover {
    filter: brightness(0.8) contrast(1.1) saturate(1.0);
}

/* Gallery Carousel Styles */
.gallery-carousel {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 20px;
    padding-bottom: 20px;
    /* Hide scrollbar for cleaner look if needed, or style it */
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) rgba(255, 255, 255, 0.05);
}

.gallery-carousel::-webkit-scrollbar {
    height: 8px;
}

.gallery-carousel::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.gallery-carousel::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

.gallery-carousel-img {
    flex: 0 0 85%; /* Shows 85% of one image, hinting at the next on mobile */
    max-width: 800px;
    height: 400px;
    object-fit: cover;
    scroll-snap-align: center;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    filter: brightness(0.65) contrast(1.1) saturate(0.85);
    transition: filter 0.4s ease, transform 0.4s ease;
}

@media (min-width: 768px) {
    .gallery-carousel-img {
        flex: 0 0 60%;
        height: 500px;
    }
}

@media (min-width: 992px) {
    .gallery-carousel-img {
        flex: 0 0 45%;
    }
}

/* Full Width Autoplay Slider */
.full-width-slider {
    position: relative;
    width: 100%;
    height: 60vh;
    min-height: 400px;
    max-height: 700px;
    overflow: hidden;
    background: #000;
}

.slider-track {
    display: flex;
    /* We have 5 slides, so width is 500% */
    width: 500%;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.slider-slide {
    /* Each slide is exactly 1/5th of the track */
    width: 20%;
    flex: 0 0 20%;
    height: 100%;
    position: relative;
}

.slider-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.65) contrast(1.1) saturate(0.85);
}



.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

.slider-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-50%) scale(1.05);
}

.slider-btn.prev { left: 4%; }
.slider-btn.next { right: 4%; }

.slider-indicators {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background: var(--primary-color);
    transform: scale(1.3);
}
.service-features { list-style: none; margin: 1rem 0 1.5rem; display: flex; flex-direction: column; gap: 0.5rem; }
.service-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-400);
}
.service-features li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-500);
  flex-shrink: 0;
}

.social-link {
    color: var(--text-400);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s ease, transform 0.3s ease;
}

.social-link:hover {
    color: var(--accent-500);
    transform: translateY(-3px);
}

/* ─── Simulator ──────────────────────────────────── */
#simulator { background: var(--bg-900); }
.sim-wrapper {
  max-width: 680px;
  margin: 0 auto;
}
/* Progress Steps */
.sim-steps-header {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 2.5rem;
}
.sim-step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  position: relative;
}
.sim-step-dot {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--bg-700);
  border: 2px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-600);
  transition: all var(--t-med);
  z-index: 1;
}
.sim-step-dot.active {
  background: var(--accent-500);
  border-color: var(--accent-500);
  color: #000;
  box-shadow: 0 0 16px rgba(245,158,11,0.4);
}
.sim-step-label {
  font-size: 0.7rem;
  color: var(--text-600);
  font-weight: 500;
  margin-top: 0.4rem;
  text-align: center;
}
.sim-step-connector {
  flex: 1;
  height: 2px;
  background: var(--glass-border);
  margin-top: -18px;
}
/* Progress bar */
.sim-progress-track {
  height: 3px;
  background: var(--bg-700);
  border-radius: 2px;
  margin-bottom: 2rem;
  overflow: hidden;
}
#sim-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-500), var(--accent-300));
  border-radius: 2px;
  transition: width var(--t-slow);
  width: 0%;
}
/* Step panels */
.wizard-step { animation: fadeIn 0.4s ease-out; }
.wizard-step.hidden { display: none !important; }

.sim-wrapper {
  position: relative;
  max-width: 680px;
  margin: 0 auto;
  z-index: 10;
}

/* Result card */
.result-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--glass-border);
}
.result-line:last-child { border-bottom: none; }
.result-line-label { font-size: 0.875rem; color: var(--text-400); }
.result-line-value { font-size: 0.875rem; font-weight: 600; color: var(--text-100); }
.result-total-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0 0;
  margin-top: 0.5rem;
  border-top: 1px solid rgba(245,158,11,0.25);
}
.result-total-label { font-size: 1rem; font-weight: 700; color: var(--text-100); }
.result-total-value { font-size: 1.5rem; font-weight: 800; color: var(--accent-400); }
.result-range-text { font-size: 0.78rem; color: var(--text-600); margin-top: 0.25rem; text-align: right; }
.result-note { font-size: 0.72rem; color: var(--text-600); margin-top: 1rem; line-height: 1.5; }

/* ─── Contact / Form ─────────────────────────────── */
#contact { background: var(--bg-950); }
.form-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
.form-card {
  padding: 2.5rem 2rem;
}
.success-card {
  padding: 3rem;
  text-align: center;
}
.success-icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: rgba(16,185,129,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  border: 2px solid rgba(16,185,129,0.3);
}

/* ─── Footer ─────────────────────────────────────── */
#footer { background: var(--bg-900); border-top: 1px solid var(--glass-border); }
.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--r-sm);
  background: var(--bg-700);
  border: 1px solid var(--glass-border);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-400);
}

/* ─── Scroll fade-in ─────────────────────────────── */
/* CRITICAL: Uses CSS animation so elements are ALWAYS visible even if JS fails */
.fade-in {
  animation: fadeInUp 0.7s ease both;
}
/* JS can still add .visible class for scroll-triggered effect, but not required */
.fade-in.visible {
  animation: none;
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { animation-delay: 0.1s; }
.fade-in-delay-2 { animation-delay: 0.2s; }
.fade-in-delay-3 { animation-delay: 0.3s; }


@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Divider ────────────────────────────────────── */
.divider { width: 48px; height: 3px; background: var(--accent-500); border-radius: 2px; margin: 1.25rem 0; }

/* ─── Tooltip ────────────────────────────────────── */
.tooltip-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
  margin-left: 0.4rem;
}
.tooltip-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bg-700);
  border: 1px solid var(--glass-border);
  color: var(--text-400);
  font-size: 10px;
  font-weight: 700;
  cursor: help;
  transition: all var(--t-fast);
}
.tooltip-wrapper:hover .tooltip-icon,
.tooltip-icon:active {
  background: var(--accent-500);
  border-color: var(--accent-500);
  color: #000;
}
.tooltip-content {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--bg-800);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-sm);
  padding: 0.6rem 0.8rem;
  color: var(--text-200);
  font-size: 0.72rem;
  font-weight: 400;
  line-height: 1.4;
  white-space: normal;
  width: max-content;
  max-width: 200px;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--t-fast);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
  z-index: 10;
  pointer-events: none;
}
.tooltip-content::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-width: 5px;
  border-style: solid;
  border-color: var(--bg-800) transparent transparent transparent;
}
.tooltip-wrapper:hover .tooltip-content,
.tooltip-wrapper:focus-within .tooltip-content {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ─── Responsive ─────────────────────────────────── */
@media (min-width: 640px) {
  .sim-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .form-card { padding: 3rem; }
  .section { padding: 7rem 0; }
}

/* ─── Utility ────────────────────────────────────── */
.hidden { display: none !important; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.w-full { width: 100%; }
.text-center { text-align: center; }
.col-span-2 { grid-column: span 2; }

/* ─── Spinner ─────────────────────────────────────── */
.animate-spin {
  animation: spin 1s linear infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ─── Language Selector (Horizontal) ────────────────── */
.lang-horizontal-container {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: transparent;
  padding: 0 0.5rem;
  transition: all var(--t-fast);
}

.lang-option.horizontal {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.3rem;
  cursor: pointer;
  background: transparent;
  border: none;
  transition: all var(--t-med);
  opacity: 0.45;
  outline: none;
  transform: scale(0.9);
  filter: grayscale(40%);
}
.lang-option.horizontal:hover {
  opacity: 0.8;
  transform: scale(1.05);
  filter: grayscale(0%);
}
.lang-option.horizontal.active {
  opacity: 1;
  transform: scale(1.2);
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3)) grayscale(0%);
}

.flag-icon {
  width: 20px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 2px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.flag-icon svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.lang-code { font-family: inherit; }

/* ─── Scrollbar ──────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-900); }
::-webkit-scrollbar-thumb { background: var(--bg-600); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-600); }

/* ─── Advanced Calculator UI ─────────────────────── */
.acc-item { margin-bottom: 0.5rem; background: var(--bg-900); border-radius: 6px; overflow: hidden; border: 1px solid var(--glass-border); transition: all 0.3s; }
.acc-header { background: #000; color: #fff; padding: 1rem; display: flex; align-items: center; cursor: pointer; font-weight: 600; font-size: 1rem; }
.acc-header svg { margin-right: 0.75rem; transition: transform 0.3s; width: 20px; height: 20px; }
.acc-item.open .acc-header svg { transform: rotate(180deg); }
.acc-body { padding: 1.5rem; display: none; background: #fff; color: #333; }
.acc-item.open .acc-body { display: block; }
.acc-item.valid .acc-header { border-left: 4px solid var(--primary-color); }
.acc-header .chk-icon { margin-left: auto; color: var(--primary-color); font-weight: bold; }

.radio-grid { display: grid; gap: 1rem; margin-bottom: 1rem; }
.radio-grid.grid-2 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.radio-grid.grid-3 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.radio-grid.grid-4 { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }

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

.radio-card {
    display: flex; flex-direction: column; align-items: center; text-align: center;
    border: 2px solid #e2e8f0; border-radius: 12px; padding: 1rem; cursor: pointer;
    background: #fff; transition: all 0.2s; position: relative; color: #333;
}
.radio-card:hover { border-color: var(--primary-color); background: #f8fafc; }
.radio-card input[type="radio"], .radio-card input[type="checkbox"] { position: absolute; top: 12px; left: 12px; accent-color: var(--primary-color); transform: scale(1.2); }
.radio-card:has(input:checked) { border-color: var(--primary-color); background: #f0fdf4; box-shadow: 0 4px 12px rgba(16,185,129,0.1); }
.radio-card:has(input:checked) .rc-title { color: var(--primary-color); }

.rc-icon { width: 100%; height: 100px; margin-bottom: 1rem; object-fit: cover; opacity: 0.9; border-radius: 4px; background: #e2e8f0; display:flex; align-items:center; justify-content:center; }
.rc-icon svg { width: 40px; height: 40px; color: #64748b; }
.rc-title { font-weight: 700; font-size: 0.95rem; margin-bottom: 0.3rem; }
.rc-desc { font-size: 0.8rem; color: #64748b; line-height: 1.4; }

.adv-input-group { margin-bottom: 1rem; }
.adv-label { display: block; font-size: 0.85rem; font-weight: 600; color: #1e293b; margin-bottom: 0.35rem; text-align: left; }
.adv-label span { color: #ef4444; }
.adv-input {
    width: 100%; padding: 0.6rem 0.8rem; border: 1px solid #cbd5e1; border-radius: 6px;
    font-size: 0.9rem; outline: none; transition: border 0.3s;
    background: #fff; color: #1e293b;
}
.adv-input:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(16,185,129,0.1); }

.door-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.door-item { background: #fff; padding: 0; }
.door-item-title { font-weight: 700; font-size: 0.9rem; margin-bottom: 0.5rem; color: #111; text-align: left; }
.door-row { display:flex; gap: 1rem; align-items: flex-end; margin-bottom:0.5rem; }
.door-row .radio-card { flex: 1; min-height: unset; padding: 0.5rem; flex-direction:row; justify-content:flex-start; align-items:center; gap:0.5rem; border-color:#cbd5e1; }
.door-row .radio-card input { position:relative; top:0; left:0; margin:0; }
.door-row .radio-card .rc-title { margin:0; font-size:0.85rem; }
.door-qty { width: 80px; }

.dark-title { font-weight: bold; color: #111; margin: 1.5rem 0 1rem; font-size: 1rem; text-align:left; border-bottom:1px solid #e2e8f0; padding-bottom:0.5rem; }

/* WIZARD LAYOUT */
.wizard-step {
  animation: fadeIn 0.4s ease-out;
}
.wizard-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(0,0,0,0.05);
}
.btn-outline {
  background: transparent;
  border: 1px solid #cbd5e1;
  color: var(--text-color);
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-outline:hover {
  background: #f1f5f9;
}

/* PROGRESS BAR */
.sim-progress-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.sim-progress-track {
  width: 100%;
  height: 6px;
  background: #e2e8f0;
  border-radius: 3px;
  overflow: hidden;
}
.sim-progress-bar {
  height: 100%;
  background: var(--primary-color);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.sim-steps-indicator {
  display: flex;
  justify-content: space-between;
  position: relative;
  padding: 0 10%;
}
.sim-step-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid #cbd5e1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: #64748b;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  z-index: 2;
}
.sim-step-dot.active {
  border-color: var(--primary-color);
  background: var(--primary-color);
  color: #fff;
}

/* ─── WhatsApp Widget ───────────────────────────────── */
.whatsapp-widget {
  position: fixed;
  bottom: 25px;
  right: 25px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 15px;
}
.whatsapp-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #25D366;
  color: white;
  border: none;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}
.whatsapp-btn:hover, .whatsapp-btn.active {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}
.whatsapp-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: white;
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
  transform-origin: bottom right;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  opacity: 1;
  transform: scale(1);
}
.whatsapp-menu.hidden {
  opacity: 0;
  transform: scale(0.5);
  pointer-events: none;
}
.wa-option {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-800);
  background: var(--bg-100);
  padding: 10px 14px;
  border-radius: 8px;
  transition: all 0.2s ease;
  font-weight: 500;
  font-size: 0.95rem;
  white-space: nowrap;
}
.wa-option:hover {
  background: #E8F5E9; /* subtle green hover */
  color: #128C7E;
}
.wa-option svg {
  width: 20px;
  height: 20px;
  fill: #25D366;
}

/* ─── Global Responsive Overrides ───────────────────── */
@media (max-width: 991px) {
  #desktop-nav { display: none !important; }
  #lang-dropdown.lang-horizontal-container { display: none !important; }
  #site-header nav { padding: 0.5rem 0 !important; }
  
  .hero-slide { background-position: 70% center; }
  .text-display { font-size: 2.2rem; }
  
  .grid-3 { grid-template-columns: 1fr; }
  .sim-steps-indicator { padding: 0 5%; }
}

@media (max-width: 480px) {
  .whatsapp-widget { bottom: 15px; right: 15px; }
  .whatsapp-btn { width: 50px; height: 50px; }
  .btn-lg { padding: 0.85rem 1.5rem; width: 100%; }
}