/* ============================================
   FunghiMix Design System — style.css
   Cogumelos & Alimentos Especiais
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Montserrat:wght@300;400;500;600;700&display=swap');

/* ---- CSS Custom Properties (Design Tokens) ---- */
:root {
  /* Colors */
  --color-forest: #1a3a2a;
  --color-forest-deep: #122218;
  --color-forest-light: #2d5a3f;
  --color-copper: #b5703c;
  --color-copper-light: #c98b5a;
  --color-copper-dark: #8f5a2e;
  --color-cream: #e8dfd0;
  --color-sand: #d4c5a9;
  --color-ivory: #f5f2ec;
  --color-white: #ffffff;
  --color-text-dark: #2a2520;
  --color-text-muted: #6b6155;
  --color-text-light: rgba(255, 255, 255, 0.8);

  /* Semantic Colors */
  --color-background: var(--color-ivory);
  --color-surface: var(--color-white);
  --color-text: var(--color-text-dark);
  --bg-header: rgba(245, 242, 236, 0.95);
  --bg-header-scrolled: rgba(245, 242, 236, 0.98);

  /* Typography */
  --font-heading: 'Lora', Georgia, serif;
  --font-body: 'Montserrat', 'Segoe UI', sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;
  --space-3xl: 100px;

  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(26, 58, 42, 0.06);
  --shadow-md: 0 4px 20px rgba(26, 58, 42, 0.08);
  --shadow-lg: 0 8px 40px rgba(26, 58, 42, 0.12);
  --shadow-xl: 0 16px 60px rgba(26, 58, 42, 0.16);
  --shadow-glow: 0 0 30px rgba(181, 112, 60, 0.2);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-normal: 0.4s var(--ease-out);
  --transition-slow: 0.6s var(--ease-out);

  /* Layout */
  --max-width: 1280px;
  --header-height: 90px;
}

body.dark-theme {
  --color-background: #121212;
  --color-surface: #1e1e1e;
  --color-text: #f5f2ec;
  --color-text-muted: #a39b90;
  --bg-header: rgba(18, 18, 18, 0.95);
  --bg-header-scrolled: rgba(18, 18, 18, 0.98);
  --color-forest: #43825f;
  --color-forest-deep: #08100b;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 5%;
}

/* ---- Utility: Scroll Reveal Animations ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-forest), var(--color-forest-deep));
  color: var(--color-white);
  border: none;
  box-shadow: 0 4px 15px rgba(26, 58, 42, 0.2);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(26, 58, 42, 0.4);
}

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

.btn-secondary:hover {
  background-color: var(--color-white);
  color: var(--color-forest);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.2);
}

.btn-white {
  background-color: var(--color-white);
  color: var(--color-forest);
  border: none;
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
}

.btn-white:hover {
  background-color: var(--color-background);
  color: var(--color-forest-deep);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(255, 255, 255, 0.25);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
  background-color: var(--color-white);
  color: var(--color-forest);
  border-color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.15);
}

.btn-small {
  padding: 10px 24px;
  font-size: 0.75rem;
}

.btn-icon {
  width: 20px;
  height: 20px;
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--bg-header);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
  height: var(--header-height);
  transition: all var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  background-color: var(--bg-header-scrolled);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 5%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1001;
}

.logo-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-name {
  font-size: 1.4rem;
  letter-spacing: 1px;
  color: var(--color-forest);
}

.logo-name-light {
  font-weight: 300;
}

.logo-name-bold {
  font-weight: 700;
}

.logo-tagline {
  font-size: 0.55rem;
  font-weight: 500;
  letter-spacing: 3.5px;
  color: var(--color-text-muted);
  margin-top: 3px;
  text-transform: uppercase;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-list {
  display: flex;
  gap: 28px;
}

.nav-link {
  font-size: 0.82rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text);
  position: relative;
  padding: 4px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-copper);
  transition: width var(--transition-normal);
}

.nav-link:hover {
  color: var(--color-copper);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  margin-left: 8px;
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.theme-toggle:hover {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--color-copper);
}

body.dark-theme .theme-toggle:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-forest);
  transition: all var(--transition-normal);
  display: block;
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Drawer */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 380px;
  height: 100vh;
  height: 100dvh;
  background-color: rgba(26, 58, 42, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 999;
  padding: var(--space-3xl) var(--space-xl) var(--space-xl);
  transition: right var(--transition-slow);
  overflow-y: auto;
}

.mobile-drawer.open {
  right: 0;
}

.mobile-drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.mobile-drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.mobile-nav-link {
  display: block;
  padding: 16px 0;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--color-copper);
  padding-left: 10px;
}

.mobile-drawer .btn {
  width: 100%;
  justify-content: center;
  margin-top: var(--space-xl);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: var(--header-height) 0 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: translateY(0);
  will-change: transform;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(26, 58, 42, 0.4) 0%, rgba(18, 34, 24, 0.85) 100%),
              linear-gradient(135deg, rgba(18, 34, 24, 0.7) 0%, rgba(26, 58, 42, 0.5) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  padding: var(--space-3xl) 5%;
  color: var(--color-white);
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  font-weight: 500;
}

.hero-content p {
  font-size: 1.1rem;
  margin-bottom: var(--space-xl);
  font-weight: 300;
  opacity: 0.9;
  line-height: 1.7;
  max-width: 480px;
}

.hero-btns {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

/* Floating shapes (decorative) */
.hero-float {
  position: absolute;
  border-radius: var(--radius-full);
  opacity: 0.06;
  animation: float 8s ease-in-out infinite;
}

.hero-float-1 {
  width: 300px;
  height: 300px;
  background: var(--color-copper);
  bottom: -80px;
  right: 10%;
  animation-delay: 0s;
}

.hero-float-2 {
  width: 200px;
  height: 200px;
  background: var(--color-white);
  top: 20%;
  right: 20%;
  animation-delay: -3s;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-20px) rotate(3deg);
  }
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
  background-color: var(--color-background);
  padding: var(--space-2xl) 5%;
  border-bottom: 1px solid rgba(26, 58, 42, 0.06);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.feature-item {
  text-align: center;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

.feature-item:hover {
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transform: translateY(-4px);
}

.feature-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto var(--space-md);
  color: var(--color-forest);
  transition: all var(--transition-normal);
}

.feature-item:hover .feature-icon {
  color: var(--color-copper);
  transform: scale(1.1);
}

.feature-item h3 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-forest);
  margin-bottom: var(--space-sm);
}

.feature-item p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */
.products {
  padding: var(--space-3xl) 5%;
  background-color: var(--color-background);
}

.section-header {
  max-width: var(--max-width);
  margin: 0 auto var(--space-xl);
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--color-forest);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
}

.product-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  text-align: center;
  padding-bottom: var(--space-lg);
  transition: all var(--transition-normal);
  position: relative;
}

.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(181, 112, 60, 0.05), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.product-card:hover::before {
  opacity: 1;
}

.product-img-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.product-img-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  left: -150%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0) 100%);
  transform: skewX(-25deg);
  transition: none;
  z-index: 2;
  pointer-events: none;
}

.product-card:hover .product-img-wrapper::after {
  left: 200%;
  transition: left 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.product-card:hover .product-img {
  transform: scale(1.15);
}

.product-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-forest);
  margin: var(--space-md) 0 var(--space-xs);
  font-weight: 600;
  padding: 0 var(--space-md);
}

.product-card .product-type {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 500;
  color: var(--color-copper);
  margin-bottom: var(--space-md);
}

/* ============================================
   INFO SECTION (split)
   ============================================ */
.info-section {
  display: flex;
  min-height: 500px;
}

.info-left {
  flex: 1;
  background-color: var(--color-forest-deep);
  padding: var(--space-3xl) 5%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--color-white);
}

.info-left h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: var(--space-lg);
  font-weight: 500;
  line-height: 1.2;
}

.info-left>p {
  margin-bottom: var(--space-xl);
  font-weight: 300;
  opacity: 0.8;
  max-width: 420px;
  line-height: 1.7;
}

.info-right {
  flex: 1;
  background-color: var(--color-forest);
  padding: var(--space-3xl) 5%;
  display: flex;
  align-items: center;
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.info-item {
  padding-left: var(--space-lg);
  border-left: 3px solid var(--color-copper);
  transition: all var(--transition-normal);
}

.info-item:hover {
  padding-left: var(--space-xl);
  border-left-color: var(--color-copper-light);
}

.info-item h4 {
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
  color: var(--color-copper);
  font-weight: 600;
}

.info-item p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ============================================
   SEO: POR QUE ESCOLHER
   ============================================ */
.seo-content {
  background-color: var(--color-background);
  padding: var(--space-3xl) 5%;
}

.seo-content-inner {
  display: flex;
  align-items: center;
  gap: var(--space-3xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.seo-text {
  flex: 1;
}

.seo-text h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 2.5rem);
  color: var(--color-forest);
  margin-bottom: var(--space-lg);
  line-height: 1.2;
}

.seo-text p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.8;
}

.seo-text strong, .seo-text em {
  color: var(--color-forest-deep);
}

.seo-image {
  flex: 1;
  width: 100%;
}

.placeholder-img {
  width: 100%;
  aspect-ratio: 4/3;
  background-color: var(--color-surface);
  border: 1px dashed var(--color-copper);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-copper);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ============================================
   PARCEIROS (LOGOS)
   ============================================ */
.partners {
  background-color: var(--color-surface);
  padding: var(--space-3xl) 5%;
  border-top: 1px solid rgba(26, 58, 42, 0.05);
  border-bottom: 1px solid rgba(26, 58, 42, 0.05);
  text-align: center;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
  align-items: center;
}

.partner-logo {
  aspect-ratio: 3/2;
  background-color: var(--color-background);
  border: 1px dashed rgba(26, 58, 42, 0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.6;
  transition: all var(--transition-normal);
  cursor: default;
}

.partner-logo:hover {
  opacity: 1;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  border-color: transparent;
  transform: translateY(-3px);
}

/* ============================================
   SEO: FAQ
   ============================================ */
.faq {
  background-color: var(--color-background);
  padding: var(--space-3xl) 5%;
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

details {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

details[open] {
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(26, 58, 42, 0.1);
}

details[open] summary {
  color: var(--color-forest-deep);
  border-bottom: 1px solid rgba(26, 58, 42, 0.15);
  background-color: rgba(26, 58, 42, 0.03);
  margin-bottom: var(--space-md);
}

summary {
  padding: var(--space-lg);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-forest);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--color-copper);
  font-weight: 300;
  transition: transform var(--transition-fast);
}

details[open] summary::after {
  transform: rotate(45deg);
}

.faq-content {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

details[open] .faq-content {
  border-left: 3px solid var(--color-copper);
  margin-left: var(--space-lg);
  padding-left: var(--space-md);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background-color: var(--color-forest);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-2xl) 5% var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto var(--space-xl);
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.6;
  margin-top: var(--space-md);
  max-width: 280px;
}

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

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background-color: var(--color-copper);
  color: var(--color-white);
  transform: translateY(-3px);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer h4 {
  color: var(--color-white);
  font-size: 0.9rem;
  margin-bottom: var(--space-lg);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer ul li {
  margin-bottom: var(--space-sm);
}

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.85rem;
  margin-bottom: var(--space-md);
}

.footer-contact svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
  opacity: 0.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 900;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background-color: #25D366;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
}

.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-full);
  background-color: rgba(37, 211, 102, 0.3);
  animation: whatsapp-pulse 2s ease-out infinite;
}

@keyframes whatsapp-pulse {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }

  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .nav-list {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .mobile-drawer {
    display: block;
  }

  .mobile-drawer-overlay {
    display: block;
  }

  .product-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .hero {
    min-height: 85vh;
  }

  .hero-content {
    padding: var(--space-2xl) 5%;
  }

  .hero-content h1 {
    font-size: 2.2rem;
  }

  .hero-btns {
    flex-direction: column;
  }

  .hero-btns .btn {
    width: 100%;
    justify-content: center;
  }

  .features-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

  .feature-item {
    padding: var(--space-md);
  }

  .products {
    padding: var(--space-2xl) 5%;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .info-section {
    flex-direction: column;
  }

  .info-left,
  .info-right {
    padding: var(--space-2xl) 5%;
  }

  .seo-content-inner {
    flex-direction: column;
    gap: var(--space-xl);
  }

  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 54px;
    height: 54px;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.8rem;
  }

  .product-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

  .product-card h3 {
    font-size: 0.95rem;
  }

  .btn-small {
    padding: 8px 16px;
    font-size: 0.7rem;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

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

/* ============================================
   ACCESSIBILITY
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

:focus-visible {
  outline: 2px solid var(--color-copper);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}