:root {
  --primary-color: #9C1C66;
  --secondary-color: #6B1245;
  --accent-color: #D4699A;
  --light-color: #FDF0F7;
  --dark-color: #2A0918;
  --gradient-primary: linear-gradient(135deg, #9C1C66 0%, #6B1245 100%);
  --hover-color: #7A1550;
  --background-color: #FDFAFC;
  --text-color: #2E1A26;
  --border-color: rgba(156, 28, 102, 0.18);
  --divider-color: rgba(107, 18, 69, 0.12);
  --shadow-color: rgba(156, 28, 102, 0.1);
  --highlight-color: #F2D57F;
  --main-font: 'Playfair Display', serif;
  --alt-font: 'Inter', sans-serif;
}

/* Mobile Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 8px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 8px;
}

.hamburger .line {
  width: 28px;
  height: 3px;
  background-color: var(--light-color);
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

#menu-toggle { display: none; }

#menu-toggle:checked ~ .mobile-nav {
  max-height: 400px;
  opacity: 1;
}

.mobile-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--secondary-color);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.4s ease;
  box-shadow: 0 8px 25px rgba(0,0,0,0.2);
  z-index: 1000;
}

.mobile-nav ul { padding: 2rem; margin: 0; list-style: none; }
.mobile-nav li { margin: 1rem 0; }

.mobile-nav a {
  display: block;
  padding: 1.2rem 1.8rem;
  color: var(--light-color);
  text-decoration: none;
  border-radius: 12px;
  transition: all 0.3s ease;
  font-size: 1.1rem;
  font-weight: 500;
  border: 2px solid transparent;
}

.mobile-nav a:hover {
  background-color: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.3);
  transform: translateX(5px);
}

/* Feature Cards — numbered left accent bar */
.feature-card {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  background: white;
  border-radius: 14px;
  padding: 2.4rem 2.6rem;
  border: 1px solid var(--border-color);
  border-left: 6px solid var(--primary-color);
  box-shadow: 0 3px 16px var(--shadow-color);
  transition: all 0.3s ease;
  position: relative;
}

.feature-card:hover {
  transform: translateX(6px);
  box-shadow: 0 10px 32px rgba(156, 28, 102, 0.18);
  border-left-color: var(--highlight-color);
  background: var(--light-color);
}

.feature-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--main-font);
  background: var(--gradient-primary);
  color: white;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(156,28,102,0.3);
  transition: all 0.3s ease;
  align-self: center;
}

.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, var(--highlight-color) 0%, #e0b84a 100%);
  color: var(--dark-color);
  box-shadow: 0 6px 18px rgba(242,213,127,0.4);
  transform: rotate(-5deg) scale(1.1);
}

/* Testimonials */
.testimonial {
  background: white;
  border-radius: 16px;
  padding: 2.6rem;
  margin: 1.4rem 0;
  border: 1px solid var(--border-color);
  border-top: 5px solid var(--primary-color);
  box-shadow: 0 4px 16px var(--shadow-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.testimonial::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.testimonial:hover::after { opacity: 1; }

.testimonial:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 32px rgba(156,28,102,0.2);
}

/* FAQ */
.faq-item {
  background: white;
  border-radius: 14px;
  padding: 2.6rem;
  margin: 1.4rem 0;
  border: 1px solid var(--border-color);
  box-shadow: 0 3px 12px var(--shadow-color);
  transition: all 0.3s ease;
  position: relative;
  padding-left: 3.4rem;
}

.faq-item::before {
  content: '?';
  position: absolute;
  left: 1.2rem;
  top: 2.4rem;
  width: 28px;
  height: 28px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  font-family: var(--main-font);
  line-height: 28px;
  text-align: center;
}

.faq-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(156,28,102,0.18);
  border-color: var(--primary-color);
}

/* Forms */
input, textarea {
  transition: all 0.3s ease;
  font-family: var(--alt-font);
  border: 2px solid var(--border-color);
  border-radius: 10px;
  padding: 1.2rem;
  background-color: white;
  color: var(--text-color);
  font-size: 1rem;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(156,28,102,0.12);
  transform: translateY(-2px);
}

input:hover, textarea:hover {
  border-color: var(--accent-color);
  box-shadow: 0 4px 12px var(--shadow-color);
}

/* Buttons */
button, .btn {
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: 1.3rem 3rem;
  border-radius: 10px;
  font-weight: 700;
  font-family: var(--alt-font);
  cursor: pointer;
  font-size: 1rem;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  box-shadow: 0 6px 18px rgba(156,28,102,0.35);
  text-transform: uppercase;
  letter-spacing: 1.2px;
}

button:hover, .btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(156,28,102,0.45);
  background: linear-gradient(135deg, #7A1550 0%, #2A0918 100%);
}

html { scroll-behavior: smooth; }
.hero { position: relative; background: var(--primary-color); }

h1, h2, h3 {
  font-family: var(--main-font);
  font-weight: 700;
  line-height: 1.3;
}

body {
  font-family: var(--alt-font);
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.75;
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .navigation { display: none; }
  .mobile-nav { display: block; }
  .hero h1 { font-size: 2.2rem; }
  .container { padding: 0 1.2rem; }
  .feature-card, .testimonial, .faq-item { padding: 1.8rem; }
  .faq-item { padding-left: 1.8rem; }
  .faq-item::before { display: none; }
  #contact .contact-grid { max-width: 100% !important; }
  .feature-card { flex-direction: row; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.9rem; }
  .feature-card, .testimonial, .faq-item { margin: 0.8rem 0; padding: 1.4rem; }
}

@media (min-width: 768px) {
  #contact .contact-grid { max-width: 80% !important; }
}

header {
  background: var(--primary-color);
  color: var(--light-color);
  padding: 1.4rem 0;
  position: relative;
  z-index: 1000;
  box-shadow: 0 4px 14px rgba(156,28,102,0.3);
}

footer {
  background: var(--dark-color);
  color: var(--light-color);
  padding: 2rem 0 1rem;
}

header img[alt="logo"],
footer img[alt="logo"] {
  filter: brightness(0) invert(1);
}

a:focus, button:focus, input:focus, textarea:focus {
  outline: 3px solid var(--highlight-color);
  outline-offset: 2px;
}

/* Pattern bg — warm rose diagonal shapes */
.pattern-bg {
  background-color: var(--background-color);
  background-image:
    radial-gradient(ellipse at 80% 20%, rgba(156,28,102,0.07) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(212,105,154,0.08) 0%, transparent 52%),
    radial-gradient(ellipse at 50% 50%, rgba(242,213,127,0.04) 0%, transparent 60%);
  background-size: 1000px 1000px, 900px 900px, 1200px 1200px;
  background-position: 80% 20%, 20% 80%, 50% 50%;
}

/* Random Block: Lighting Conditions Spectrum */
.lighting-section {
  padding: 5rem 0;
  background: var(--dark-color);
}

.light-scenario {
  display: flex;
  align-items: stretch;
  gap: 0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(0,0,0,0.3);
  margin-bottom: 1.4rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.light-scenario:hover {
  transform: scale(1.01);
  box-shadow: 0 10px 32px rgba(0,0,0,0.4);
}

.light-scenario-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 80px;
  font-size: 2rem;
  padding: 1.6rem 1.2rem;
}

.light-scenario-body {
  flex: 1;
  padding: 1.6rem 2rem;
}

.light-scenario-body h3 {
  font-family: var(--main-font);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: white;
}

.light-scenario-body p {
  font-size: 0.95rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.82);
  margin: 0;
}

.light-scenario-rating {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 90px;
  padding: 1.6rem 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  gap: 0.4rem;
}

.rating-label { font-size: 1.5rem; }

.ls-bad    { background: rgba(180, 40, 40, 0.35); }
.ls-warn   { background: rgba(200, 140, 20, 0.3); }
.ls-ok     { background: rgba(60, 140, 90, 0.3); }
.ls-ideal  { background: rgba(40, 120, 160, 0.3); }

.ls-bad    .light-scenario-badge { background: rgba(200,50,50,0.4); }
.ls-warn   .light-scenario-badge { background: rgba(210,150,0,0.35); }
.ls-ok     .light-scenario-badge { background: rgba(70,160,100,0.35); }
.ls-ideal  .light-scenario-badge { background: rgba(50,140,180,0.35); }

.ls-bad    .light-scenario-rating { background: rgba(200,50,50,0.25); color: #ffaaaa; }
.ls-warn   .light-scenario-rating { background: rgba(210,150,0,0.25); color: #ffe08a; }
.ls-ok     .light-scenario-rating { background: rgba(70,160,100,0.25); color: #a8f0c0; }
.ls-ideal  .light-scenario-rating { background: rgba(50,140,180,0.25); color: #a0dcf8; }

@media (max-width: 600px) {
  .light-scenario { flex-direction: column; }
  .light-scenario-badge { min-width: unset; padding: 1rem; flex-direction: row; gap: 0.8rem; justify-content: flex-start; }
  .light-scenario-rating { flex-direction: row; min-width: unset; justify-content: flex-start; padding: 0.8rem 1.4rem; }
}