/* ===== BASE ===== */
* {
  scroll-behavior: smooth;
}

body {
  font-family: 'Roboto', sans-serif;
  color: #262626;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
}

/* ===== HEADER ===== */
#header {
  background: transparent;
}

#header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

#header.scrolled .header-logo-text,
#header.scrolled .header-nav-link,
#header.scrolled .header-phone {
  color: #262626;
}

#header.scrolled .header-burger-text {
  color: #262626;
}

#header:not(.scrolled) .header-logo-text,
#header:not(.scrolled) .header-nav-link,
#header:not(.scrolled) .header-phone {
  color: #262626;
}

#header:not(.scrolled) .header-burger-text {
  color: #262626;
}

/* ===== BUTTONS ===== */
.btn-accent {
  background: #BB8D54;
  color: #fff;
  border-radius: 12px;
}

.btn-accent:hover {
  background: #A57A43;
  box-shadow: 0 8px 24px rgba(187, 141, 84, 0.35);
  transform: translateY(-1px);
}

.btn-accent-lg {
  background: #BB8D54;
  color: #fff;
  border-radius: 12px;
}

.btn-accent-lg:hover {
  background: #A57A43;
  box-shadow: 0 12px 32px rgba(187, 141, 84, 0.4);
  transform: translateY(-2px);
}

/* ===== CEILING CARDS ===== */
.ceiling-card {
  transition: transform 0.3s ease;
}

.ceiling-card:hover {
  transform: translateY(-4px);
}

/* ===== PROMO CARDS ===== */
.promo-card {
  background: #fff;
  border: 2px solid #BB8D54;
  border-radius: 16px;
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.promo-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(187, 141, 84, 0.18);
}

/* ===== LIGHTING CARDS ===== */
.lighting-card {
  transition: transform 0.3s ease;
}

.lighting-card:hover {
  transform: translateY(-4px);
}

/* ===== CALCULATOR ===== */
.calc-option {
  text-align: center;
}

.calc-option-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.25rem 0.75rem;
  border: 2px solid #F6F4F0;
  border-radius: 12px;
  background: #fff;
  font-weight: 600;
  font-size: 0.875rem;
  color: #262626;
  transition: all 0.25s ease;
  min-height: 90px;
}

.calc-option:hover .calc-option-inner {
  border-color: #BB8D54;
  background: #BB8D54 / 5%;
  background: rgba(187, 141, 84, 0.05);
}

.calc-option.selected .calc-option-inner {
  border-color: #BB8D54;
  background: rgba(187, 141, 84, 0.08);
  box-shadow: 0 0 0 3px rgba(187, 141, 84, 0.12);
}

.calc-input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid #F6F4F0;
  border-radius: 12px;
  background: #fff;
  font-size: 0.95rem;
  color: #262626;
  transition: all 0.25s ease;
  outline: none;
}

.calc-input:focus {
  border-color: #BB8D54;
  box-shadow: 0 0 0 3px rgba(187, 141, 84, 0.12);
}

.calc-step {
  animation: fadeInStep 0.4s ease;
}

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

/* ===== STEP CARDS ===== */
.step-card {
  background: #fff;
  border: 1px solid #F6F4F0;
  border-radius: 16px;
  padding: 1.75rem;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  border-color: rgba(187, 141, 84, 0.3);
}

.step-number {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: #BB8D54;
  opacity: 0.5;
}

/* ===== FAQ ===== */
.faq-item {
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-trigger {
  cursor: pointer;
  border: none;
  background: #F6F4F0;
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.active .faq-content {
  max-height: 300px;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-item.active .faq-trigger {
  border-radius: 12px 12px 0 0;
}

/* ===== GALLERY SCROLLBAR ===== */
.gallery-scrollbar::-webkit-scrollbar {
  height: 6px;
}

.gallery-scrollbar::-webkit-scrollbar-track {
  background: transparent;
}

.gallery-scrollbar::-webkit-scrollbar-thumb {
  background: #BB8D54;
  border-radius: 3px;
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== POPUP ===== */
#popupOverlay {
  transition: opacity 0.3s ease;
}

#popupCard {
  animation: popupIn 0.35s ease;
}

@keyframes popupIn {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

#popupOverlay.show {
  display: flex !important;
}

/* ===== LIGHTBOX ===== */
#lightbox.show {
  display: flex !important;
}

#lightbox img {
  animation: lightboxIn 0.3s ease;
}

@keyframes lightboxIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ===== MOBILE MENU ===== */
#mobileMenu {
  animation: slideDown 0.3s ease;
}

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

/* ===== MOBILE FLOATING CTA spacing ===== */
@media (max-width: 1023px) {
  body {
    padding-bottom: 80px;
  }
}

/* ===== RESPONSIVE TEXT ===== */
@media (max-width: 640px) {
  h1 {
    font-size: 28px !important;
  }
  h2 {
    font-size: 28px !important;
  }
  body {
    font-size: 16px;
  }
}