/* ============================================
   Kalé Madeiras - Main Stylesheet
   Distribuidora de Madeiras em Ubatuba - SP
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Brand Colors */
  --green-forest: #285943;
  --green-natural: #4F7A52;
  --brown-wood: #7A4E2D;
  --oak: #B27A45;
  --beige-wood: #E7D3B0;
  --off-white: #F8F6F0;
  --graphite: #292B28;

  /* Functional Colors */
  --color-primary: var(--green-forest);
  --color-secondary: var(--green-natural);
  --color-accent: var(--oak);
  --color-bg: var(--off-white);
  --color-bg-alt: var(--beige-wood);
  --color-text: var(--graphite);
  --color-text-light: #5a5d58;
  --color-white: #ffffff;
  --color-brown: var(--brown-wood);

  /* Typography */
  --font-heading: 'DM Serif Display', Georgia, serif;
  --font-body: 'Source Sans 3', 'Segoe UI', sans-serif;
  --font-accent: 'Playfair Display', Georgia, serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 80px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 50px rgba(0,0,0,0.15);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover { color: var(--color-secondary); }

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text);
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.6rem); }

p { margin-bottom: var(--space-md); }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* --- Utility Classes --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

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

/* --- Section Spacing --- */
.section {
  padding: var(--space-4xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header h2 {
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  margin: var(--space-sm) auto 0;
  border-radius: 2px;
}

.section-header p {
  color: var(--color-text-light);
  max-width: 600px;
  margin: var(--space-md) auto 0;
  font-size: 1.05rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1.4;
}

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

.btn-primary:hover {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: var(--color-white);
  border-color: #25D366;
}

.btn-whatsapp:hover {
  background: #1da851;
  border-color: #1da851;
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: #FFF;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: height var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  height: 70px;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo img {
  height: 55px;
  width: auto;
  transition: height var(--transition-base);
}

.header.scrolled .logo img {
  height: 48px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.55rem 0.95rem;
  border-radius: 50px;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-list a:hover,
.nav-list a:focus-visible {
  background: var(--off-white);
  color: var(--color-primary);
}

.nav-list a.active {
  background: var(--color-primary);
  color: #FFF;
}

.nav-list a.nav-cta {
  background: var(--color-accent);
  color: #FFF;
  margin-left: 0.4rem;
}

.nav-list a.nav-cta:hover {
  background: var(--color-brown);
  color: #FFF;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
  background: var(--off-white);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  z-index: 1002;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Subpages: header in flow, not over content */
.header.header-static {
  position: sticky;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-primary);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(40,89,67,0.92) 0%,
    rgba(40,89,67,0.7) 40%,
    rgba(122,78,45,0.6) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  max-width: 680px;
  padding-top: var(--nav-height);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  padding: var(--space-sm) var(--space-md);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-xl);
  backdrop-filter: blur(4px);
}

.hero-badge svg {
  width: 16px;
  height: 16px;
  fill: var(--color-accent);
}

.hero h1 {
  color: var(--color-white);
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  margin-bottom: var(--space-lg);
  line-height: 1.1;
}

.hero h1 span {
  color: var(--color-beige-wood, #E7D3B0);
  display: block;
}

.hero-description {
  font-size: 1.1rem;
  line-height: 1.8;
  opacity: 0.92;
  margin-bottom: var(--space-2xl);
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-3xl);
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(255,255,255,0.15);
}

.hero-stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: var(--color-accent);
  display: block;
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.85rem;
  opacity: 0.8;
  margin-top: var(--space-xs);
  display: block;
}

/* Decorative wood grain texture overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 50 Q25 45 50 50 T100 50' fill='none' stroke='%23fff' stroke-width='0.5'/%3E%3Cpath d='M0 30 Q25 25 50 30 T100 30' fill='none' stroke='%23fff' stroke-width='0.3'/%3E%3Cpath d='M0 70 Q25 65 50 70 T100 70' fill='none' stroke='%23fff' stroke-width='0.4'/%3E%3C/svg%3E");
}

/* --- About Section --- */
.about {
  background: var(--color-white);
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-images {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.about-images img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.about-images img:first-child {
  grid-column: 1 / -1;
  height: 260px;
}

.about-content h2 {
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.about-content h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  margin-top: var(--space-sm);
  border-radius: 2px;
}

.about-text {
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.about-feature-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.about-feature-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
}

/* --- Service Flow Section --- */
.service-flow {
  background: var(--color-bg);
  position: relative;
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  counter-reset: step;
}

.flow-step {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  counter-increment: step;
}

.flow-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.flow-step-number {
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: var(--space-md);
}

.flow-step h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.flow-step p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin: 0;
}

/* --- Differentials Section --- */
.differentials {
  background: var(--color-primary);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.differentials::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.differentials .section-header h2 {
  color: var(--color-white);
}

.differentials .section-header h2::after {
  background: var(--color-accent);
}

.differentials .section-header p {
  color: rgba(255,255,255,0.8);
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  position: relative;
  z-index: 1;
}

.diff-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  backdrop-filter: blur(4px);
}

.diff-card:hover {
  background: rgba(255,255,255,0.14);
  transform: translateY(-4px);
}

.diff-icon {
  width: 50px;
  height: 50px;
  background: rgba(178,122,69,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--color-accent);
  font-size: 1.4rem;
}

.diff-card h3 {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}

.diff-card p {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  margin: 0;
  line-height: 1.6;
}

/* --- Products Section --- */
.products {
  background: var(--color-white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.product-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: var(--color-bg);
  transition: all var(--transition-base);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.product-card-body {
  padding: var(--space-lg);
}

.product-card-body h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  font-size: 1.15rem;
}

.product-card-body p {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin: 0;
}

/* --- Gallery Section --- */
.gallery {
  background: var(--color-bg);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-md);
}

.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  aspect-ratio: 4/3;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(40,89,67,0.5), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover::after {
  opacity: 1;
}

/* --- Video Section --- */
.video-section {
  background: var(--color-white);
  position: relative;
}

.video-wrapper {
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 16/9;
  background: var(--color-graphite);
}

.video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- FAQ Section --- */
.faq {
  background: var(--color-bg);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.04);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  gap: var(--space-md);
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  width: 24px;
  height: 24px;
  min-width: 24px;
  border-radius: 50%;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  font-size: 1.2rem;
  color: var(--color-primary);
}

.faq-item.active .faq-icon {
  background: var(--color-primary);
  color: var(--color-white);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq-answer-inner {
  padding: 0 var(--space-xl) var(--space-lg);
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Contact Section --- */
.contact {
  background: var(--color-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.contact-info h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-xl);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.contact-item-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-light);
  margin-bottom: 2px;
  font-weight: 600;
}

.contact-item-value {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.5;
}

.contact-item-value a {
  color: var(--color-text);
  font-weight: 500;
}

.contact-item-value a:hover {
  color: var(--color-primary);
}

.contact-phones {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.contact-phone-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
}

.contact-phone-item .phone-name {
  font-weight: 700;
  min-width: 60px;
  color: var(--color-text);
}

.contact-phone-item a {
  color: var(--color-text-light);
}

.contact-phone-item .whatsapp-link {
  color: #25D366;
  font-size: 0.8rem;
}

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 100%;
  min-height: 360px;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.contact-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-brown) 100%);
  color: var(--color-white);
  text-align: center;
  padding: var(--space-4xl) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 50 Q25 45 50 50 T100 50' fill='none' stroke='%23fff' stroke-width='0.5'/%3E%3C/svg%3E");
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  position: relative;
}

.cta-section p {
  opacity: 0.9;
  max-width: 500px;
  margin: 0 auto var(--space-xl);
  position: relative;
}

.cta-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* --- Footer --- */
.footer {
  background: var(--color-graphite);
  color: rgba(255,255,255,0.7);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand img {
  height: 50px;
  margin-bottom: var(--space-md);
  filter: brightness(0) invert(1);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer h4 {
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: var(--space-md);
  font-family: var(--font-body);
  font-weight: 700;
}

.footer-links a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.8rem;
}

.footer-bottom a {
  color: rgba(255,255,255,0.5);
}

.footer-bottom a:hover {
  color: var(--color-accent);
}

/* --- Breadcrumb --- */
.breadcrumb {
  background: var(--color-bg);
  padding: var(--space-md) 0;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.breadcrumb-list a {
  color: var(--color-text-light);
}

.breadcrumb-list a:hover {
  color: var(--color-primary);
}

.breadcrumb-sep {
  color: var(--color-text-light);
  opacity: 0.5;
}

.breadcrumb-current {
  color: var(--color-primary);
  font-weight: 600;
}

/* --- Cookie Banner --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
  padding: var(--space-lg) var(--space-xl);
  z-index: 9999;
  display: none;
  border-top: 3px solid var(--color-primary);
}

.cookie-banner.show {
  display: block;
  animation: slideUp 0.4s ease;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.cookie-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.cookie-inner p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin: 0;
  flex: 1;
}

.cookie-inner p a {
  color: var(--color-primary);
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: var(--space-sm);
}

/* --- WhatsApp Float Button --- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 16px rgba(37,211,102,0.4);
  z-index: 999;
  transition: all var(--transition-base);
  animation: pulse-whats 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37,211,102,0.5);
  color: white;
}

@keyframes pulse-whats {
  0%, 100% { box-shadow: 0 4px 16px rgba(37,211,102,0.4); }
  50% { box-shadow: 0 4px 24px rgba(37,211,102,0.6); }
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: white;
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* --- Responsive --- */
@media (max-width: 1100px) {
  .nav-list a { padding: 0.5rem 0.7rem; font-size: 0.8rem; }
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 65px;
  }

  .menu-toggle {
    display: flex;
  }

  .nav-list {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(300px, 85vw);
    height: 100vh;
    height: 100dvh;
    background: #FFF;
    flex-direction: column;
    align-items: stretch;
    padding: 90px var(--space-lg) var(--space-xl);
    gap: 0.4rem;
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-base);
    z-index: 1001;
    overflow-y: auto;
  }

  .nav-list.open {
    right: 0;
  }

  .nav-list a {
    width: 100%;
    font-size: 0.95rem;
    padding: 0.85rem 1.1rem;
    border-radius: 10px;
  }

  .nav-list a.nav-cta {
    margin: 0.6rem 0 0;
    justify-content: center;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .flow-steps {
    grid-template-columns: 1fr;
  }

  .diff-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    gap: var(--space-xl);
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .cookie-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* --- Print --- */
@media print {
  .header, .whatsapp-float, .cookie-banner, .menu-toggle {
    display: none !important;
  }
  .hero {
    min-height: auto;
    padding: 2rem 0;
  }
  body {
    color: #000;
    background: #fff;
  }
}

.footer-bottom .footer-credit { color: #FFF; }
.footer-bottom .footer-credit a { color: #ffff00; }
.footer-bottom .footer-credit a:hover { color: #FFF; }
