/* ============================
   COMPONENTS — Ilumitec Solar
   ============================ */

/* ─── Typography ─────────────────────── */
.text-primary { color: var(--color-primary-dark); }
.text-accent  { color: var(--color-accent-dark); }
.text-muted   { color: var(--color-text-muted); }
.text-body    { color: var(--color-text-body); }
.text-main    { color: var(--color-text-main); }
.text-white   { color: var(--color-text-inverse); }

.heading-xl {
  font-size: clamp(2.6rem, 5vw, 4.4rem);
  line-height: 1.15;
  letter-spacing: -0.04em;
  font-weight: 900;
  color: var(--color-text-main);
}
.heading-lg {
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
  font-weight: 700;
  color: var(--color-text-main);
}
.heading-md {
  font-size: clamp(1.375rem, 3vw, 2rem);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--color-text-main);
}
.heading-sm {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.4;
  font-weight: 600;
  color: var(--color-text-main);
}

.text-lead {
  font-size: clamp(1.0625rem, 2vw, 1.125rem);
  color: var(--color-text-body);
  line-height: 1.85;
}
.text-sm { font-size: 0.875rem; }


/* ─── Buttons ────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-fast);
  text-align: center;
  gap: 0.5rem;
  border: 1px solid transparent;
  letter-spacing: 0.01em;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md), var(--shadow-primary-btn);
  border: none;
}
.btn-primary:hover {
  box-shadow: 0 20px 30px -10px rgba(14, 165, 233, 0.4);
  transform: translateY(-3px) scale(1.03);
}
.btn-primary:active { transform: translateY(0) scale(0.98); box-shadow: var(--shadow-sm); }

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-text-main);
  box-shadow: var(--shadow-md), var(--shadow-accent-btn);
  border-color: rgba(202, 138, 4, 0.2);
}
.btn-accent:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-lg), var(--shadow-accent-btn);
  transform: translateY(-2px);
}
.btn-accent:active { transform: translateY(0) scale(0.98); box-shadow: var(--shadow-sm); }

.btn-whatsapp {
  background: var(--gradient-whatsapp);
  color: #ffffff;
  box-shadow: var(--shadow-md), var(--shadow-green-btn);
  border: none;
}
.btn-whatsapp:hover {
  box-shadow: 0 20px 30px -10px rgba(16, 185, 129, 0.4);
  transform: translateY(-3px) scale(1.03);
  color: #ffffff;
}
.btn-whatsapp:active { transform: translateY(0) scale(0.98); box-shadow: var(--shadow-sm); }

/* WhatsApp Navbar Premium Button */
.btn-nav-whatsapp {
  background: var(--gradient-whatsapp);
  color: #fff;
  padding: 0.65rem 1.6rem;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 0.9375rem;
  box-shadow: var(--shadow-btn-wa-glow);
  border: 1px solid rgba(255,255,255,0.2);
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
  text-decoration: none;
}
.btn-nav-whatsapp::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: all 0.6s ease;
}
.btn-nav-whatsapp:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 20px 35px -10px rgba(16, 185, 129, 0.6);
  color: #fff;
}
.btn-nav-whatsapp:hover::before { left: 200%; }

/* Massive Primary CTA */
.btn-massive {
  padding: 1.25rem 2.8rem;
  font-size: 1.15rem;
  border-radius: 9999px;
  background: var(--gradient-deep-primary);
  color: #fff;
  box-shadow: var(--shadow-btn-primary-glow);
  border: 1px solid rgba(255,255,255,0.15);
  font-weight: 800;
  letter-spacing: 0.02em;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  width: 100%;
  max-width: 480px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  text-decoration: none;
}
.btn-massive:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 24px 40px -12px rgba(3, 105, 161, 0.65);
}

/* Subtle Ghost CTA */
.btn-subtle {
  background: transparent;
  color: var(--color-text-muted);
  font-weight: 600;
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  text-decoration: none;
}
.btn-subtle:hover {
  color: var(--color-primary-dark);
  background: rgba(14, 165, 233, 0.05);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-primary-dark);
  color: var(--color-primary-dark);
}
.btn-outline:hover {
  background-color: var(--color-primary-subtle);
  transform: translateY(-2px);
}
.btn-outline:active { transform: translateY(0) scale(0.98); }

.btn-lg {
  padding: 0.875rem 2.25rem;
  font-size: 1.0625rem;
}

.btn-pulse {
  animation: pulse-glow 2.5s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: var(--shadow-md), var(--shadow-accent-btn); }
  50%       { box-shadow: var(--shadow-lg), 0 0 24px 0 rgba(245, 158, 11, 0.4); }
}


/* ─── Badges ─────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-bottom: var(--spacing-4);
}
.badge-primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}
.badge-accent {
  background-color: var(--color-accent-light);
  color: var(--color-accent-dark);
}


/* ─── Cards ──────────────────────────── */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-8) var(--spacing-8);
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.04), 0 4px 10px -5px rgba(0, 0, 0, 0.02);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-base);
  border: 1px solid var(--color-border);
  position: relative;
  z-index: 1;
  color: var(--color-text-main);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 25px 40px -10px rgba(0, 0, 0, 0.08);
  border-color: var(--color-primary-light);
  z-index: 2;
}

/* Force dark text inside cards placed in dark sections */
.section-dark .card,
.section-dark .card .heading-lg,
.section-dark .card .heading-md,
.section-dark .card .heading-sm,
.section-dark .card .text-main { color: var(--color-text-main); }
.section-dark .card .text-muted { color: var(--color-text-body); }

/* Card Icon */
.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-5);
  transition: transform var(--transition-base), background-color var(--transition-base);
}
.card:hover .card-icon {
  transform: scale(1.08);
  background-color: var(--color-primary-light);
}
.card-icon svg {
  width: 26px;
  height: 26px;
  stroke-width: 2;
}
.card-accent .card-icon {
  background-color: var(--color-accent-light);
  color: var(--color-accent-dark);
}


/* ─── Accordion (FAQ) ────────────────── */
.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-3);
  background-color: var(--color-surface);
  overflow: hidden;
  transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
}
.accordion:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-sm);
  transform: translateX(2px);
}
.accordion.active {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.accordion-header {
  width: 100%;
  text-align: left;
  padding: var(--spacing-5) var(--spacing-6);
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-4);
  background-color: transparent;
  color: var(--color-text-main);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
}
.accordion-header:hover { background-color: var(--color-bg-alt); }
.accordion.active .accordion-header {
  color: var(--color-primary-dark);
  border-left: 3px solid var(--color-primary);
  padding-left: calc(var(--spacing-6) - 3px);
}

.accordion-icon {
  flex-shrink: 0;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), color var(--transition-fast);
  color: var(--color-text-muted);
}
.accordion.active .accordion-icon {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease, opacity 0.3s ease;
  padding: 0 var(--spacing-6);
  color: var(--color-text-body);
  line-height: 1.8;
  font-size: 0.9375rem;
  opacity: 0;
}
.accordion.active .accordion-content {
  padding-bottom: var(--spacing-6);
  opacity: 1;
}


/* ─── Images ─────────────────────────── */
.brand-logo { height: 40px; width: auto; object-fit: contain; }

.hero-image-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}
.hero-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  object-fit: cover;
  aspect-ratio: 4 / 3;
  transform: scale(1.02) translateY(-10px);
  transition: transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.hero-image-wrapper:hover .hero-image {
  transform: scale(1.06) translateY(-18px);
}

.about-image-wrapper { width: 100%; display: flex; }
.about-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
  aspect-ratio: 1 / 1;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.footer-logo-wrapper { margin-bottom: var(--spacing-4); }
.footer-logo { height: 32px; width: auto; }

.testimonial-avatar {
  border-radius: 50%;
  overflow: hidden;
  width: 48px; height: 48px;
  flex-shrink: 0;
}
.testimonial-avatar-img { width: 100%; height: 100%; object-fit: cover; }


/* ─── Solutions Cards ────────────────── */
.solution-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.solution-img-wrapper {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 2px solid var(--color-primary-light);
}
.solution-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.solution-card:hover .solution-img { transform: scale(1.04); }
.solution-content {
  padding: var(--spacing-6) var(--spacing-8);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}


/* ─── Forms ──────────────────────────── */
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  background-color: var(--color-bg-main);
  color: var(--color-text-main);
}
.form-input::placeholder { color: var(--color-text-muted); }
.form-input:focus {
  border-color: var(--color-primary);
  background-color: var(--color-surface);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}


/* ─── Result Boxes ───────────────────── */
.result-box {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  padding: var(--spacing-5) var(--spacing-5);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  text-align: left;
  position: relative;
  overflow: hidden;
}
.result-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 4px; height: 100%;
  background-color: var(--color-primary);
}
.result-box-dark {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-lg);
  border: none;
}
.result-box-dark::before { background-color: var(--color-accent); }