/* === VIDEO CONTROLS HERO === */
.video-controls { user-select: none; }
.video-speed-btn {
  background: rgba(0,0,0,0.7); color: #fff; border: none; border-radius: 6px;
  padding: 6px 14px; font-size: 1rem; cursor: pointer; transition: background 0.2s;
}
.video-speed-btn--active, .video-speed-btn:hover { background: var(--color-primary); color: #fff; }
/* ============================================
   LAJERESK CONCRETOS — Design System v2
   Modern / Cinematic / Teal Brand
   ============================================ */

/* === CUSTOM PROPERTIES === */
:root {
  /* Brand Colors — extracted from logo */
  --color-primary: #00B4A0;
  --color-primary-light: #26D4BE;
  --color-primary-dark: #00897B;
  --color-primary-rgb: 0, 180, 160;
  --color-secondary: #F5A623;
  --color-secondary-light: #FFBE45;
  --color-secondary-dark: #E09000;
  --color-accent-red: #D93025;
  --color-accent-blue: #1565C0;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;

  /* Neutrals — warm gray palette (not pure black) */
  --color-white: #FFFFFF;
  --color-black: #000000;
  --color-dark: #1B2631;
  --color-dark-100: #212F3D;
  --color-dark-200: #283747;
  --color-dark-300: #2E4053;
  --color-dark-400: #34495E;
  --color-gray-100: #F4F6F7;
  --color-gray-200: #E5E8E8;
  --color-gray-300: #CCD1D1;
  --color-gray-400: #99A3A4;
  --color-gray-500: #707B7C;
  --color-gray-600: #515A5A;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-text: #2C3E50;
  --color-text-light: #5D6D7E;
  --color-text-on-dark: #E5E8E8;
  --color-text-muted: rgba(255,255,255,0.65);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Poppins', 'Inter', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;
  --font-size-6xl: 4.5rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --container-max: 1280px;
  --container-narrow: 900px;
  --header-height: 80px;
  --border-radius: 8px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  --border-radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-md: 0 8px 25px rgba(0,0,0,0.1);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.15);
  --shadow-xl: 0 30px 60px rgba(0,0,0,0.2);
  --shadow-glow: 0 0 30px rgba(var(--color-primary-rgb), 0.3);
  --shadow-glow-lg: 0 0 60px rgba(var(--color-primary-rgb), 0.4);

  /* Transitions */
  --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 700ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 600ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* === RESET === */
*, *::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-primary);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, video { 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-primary-dark); }
ul, ol { list-style: none; }
h1,h2,h3,h4,h5,h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; color: var(--color-gray-800); }
h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-2xl); }
p { margin-bottom: 1rem; }

/* === PRELOADER === */
.preloader {
  position: fixed; inset: 0; z-index: 99999;
  background: var(--color-dark);
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.preloader.loaded { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader__logo { width: 180px; animation: preloaderPulse 1.5s ease-in-out infinite; }
.preloader__bar {
  width: 200px; height: 3px; background: var(--color-dark-300); border-radius: 3px; margin-top: 2rem; overflow: hidden;
}
.preloader__bar-inner {
  height: 100%; background: var(--color-primary); border-radius: 3px;
  animation: preloaderSlide 1.2s ease-in-out infinite;
}
@keyframes preloaderPulse { 0%,100%{opacity:0.6;transform:scale(1)} 50%{opacity:1;transform:scale(1.02)} }
@keyframes preloaderSlide { 0%{width:0;margin-left:0} 50%{width:60%} 100%{width:0;margin-left:100%} }

/* === CONTAINER === */
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-6); }
.container--narrow { max-width: var(--container-narrow); }

/* === TOP BAR === */
.topbar {
  background: var(--color-dark);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  padding: var(--space-2) 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  position: relative; z-index: 50;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; }
.topbar__info { display: flex; gap: var(--space-6); }
.topbar__item { display: flex; align-items: center; gap: var(--space-2); }
.topbar__item i { color: var(--color-primary); font-size: 0.7rem; }
.topbar__social { display: flex; gap: var(--space-4); }
.topbar__social a {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}
.topbar__social a:hover { color: var(--color-primary); transform: translateY(-2px); }

/* === HEADER === */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(27,38,49,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0;
  transition: all var(--transition);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-height);
}
.header--scrolled {
  background: rgba(27,38,49,0.97);
  box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

/* Logo */
.header__logo { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; }
.header__logo img { height: 70px; width: auto; }
.header__logo-text {
  display: flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-heading); font-weight: 800; font-size: var(--font-size-xl);
  color: var(--color-white); text-decoration: none; letter-spacing: 1px;
}
.header__logo-text span { color: var(--color-primary); }
.header__logo-text i { color: var(--color-primary); font-size: 1.4rem; }

/* Navigation */
.nav__list {
  display: flex; align-items: center; gap: var(--space-1);
}
.nav__item { position: relative; }
.nav__link {
  display: flex; align-items: center; gap: 6px;
  padding: var(--space-3) var(--space-4);
  color: rgba(255,255,255,0.8);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
  border-radius: var(--border-radius);
  position: relative;
}
.nav__link::after {
  content: ''; position: absolute; bottom: 4px; left: 50%; width: 0; height: 2px;
  background: var(--color-primary); transition: all var(--transition); transform: translateX(-50%);
}
.nav__link:hover, .nav__link--active {
  color: var(--color-white);
}
.nav__link:hover::after, .nav__link--active::after { width: 60%; }
.nav__link--active { color: var(--color-primary); }
.nav__link--active::after { background: var(--color-primary); width: 60%; }

/* Dropdown */
.nav__dropdown {
  position: absolute; top: 100%; left: 0;
  background: var(--color-dark-200);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--border-radius-lg);
  min-width: 240px; padding: var(--space-2);
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(20px);
}
.nav__item:hover .nav__dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.nav__dropdown-link {
  display: block; padding: var(--space-3) var(--space-4);
  color: rgba(255,255,255,0.7);
  font-size: var(--font-size-sm);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}
.nav__dropdown-link:hover {
  background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
  padding-left: var(--space-5);
}

/* Nav CTA */
.nav__cta .btn {
  margin-left: var(--space-4);
  padding: var(--space-2) var(--space-6);
}

/* Mobile nav toggle */
.nav__toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 32px; height: 24px; position: relative; z-index: 110;
}
.nav__toggle span {
  display: block; position: absolute; left: 0; width: 100%; height: 2px;
  background: var(--color-white); border-radius: 2px; transition: all var(--transition);
}
.nav__toggle span:nth-child(1) { top: 0; }
.nav__toggle span:nth-child(2) { top: 11px; }
.nav__toggle span:nth-child(3) { top: 22px; }
.nav__toggle.active span:nth-child(1) { top: 11px; transform: rotate(45deg); }
.nav__toggle.active span:nth-child(2) { opacity: 0; }
.nav__toggle.active span:nth-child(3) { top: 11px; transform: rotate(-45deg); }

/* === BUTTONS === */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-primary); font-weight: 600; font-size: var(--font-size-sm);
  border-radius: var(--border-radius-full);
  border: 2px solid transparent;
  cursor: pointer; text-decoration: none;
  transition: all var(--transition);
  position: relative; overflow: hidden;
  letter-spacing: 0.5px; text-transform: uppercase;
}
.btn::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.btn:hover::before { opacity: 1; }

.btn--primary {
  background: var(--color-primary); color: var(--color-white); border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-dark); border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-3px); box-shadow: var(--shadow-glow);
}

.btn--secondary {
  background: var(--color-secondary); color: var(--color-dark); border-color: var(--color-secondary);
}
.btn--secondary:hover {
  background: var(--color-secondary-dark); color: var(--color-dark);
  transform: translateY(-3px);
}

.btn--outline {
  background: transparent; color: var(--color-white); border-color: rgba(255,255,255,0.3);
}
.btn--outline:hover {
  border-color: var(--color-primary); color: var(--color-primary);
  transform: translateY(-3px);
}

.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(-3px); box-shadow: 0 0 30px rgba(37,211,102,0.4);
}

.btn--lg { padding: var(--space-5) var(--space-12); font-size: var(--font-size-base); }
.btn--sm { padding: var(--space-2) var(--space-5); font-size: var(--font-size-xs); }
.btn--icon { width: 48px; height: 48px; padding: 0; border-radius: 50%; }

/* === HERO SLIDER === */
.hero {
  position: relative; height: 100vh; min-height: 700px; overflow: hidden;
  background: var(--color-dark);
  margin-top: 0;
}
.hero__slides { position: absolute; inset: 0; }
.hero__slide {
  position: absolute; inset: 0;
  opacity: 0; transition: opacity 1.5s ease;
}
.hero__slide.active { opacity: 1; }
.hero__slide-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.hero__slide.active .hero__slide-bg { transform: scale(1); }

/* Video hero */
.hero__video {
  position: absolute; inset: 0; overflow: hidden;
}
.hero__video video {
  width: 100%; height: 100%; object-fit: cover;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(27,38,49,0.7) 0%,
    rgba(27,38,49,0.25) 35%,
    rgba(27,38,49,0.4) 65%,
    rgba(27,38,49,0.85) 100%
  );
}
.hero__content {
  position: relative; z-index: 10;
  height: 100%; display: flex; flex-direction: column;
  justify-content: center; align-items: flex-start;
  padding-top: calc(var(--header-height) + 2rem);
}
.hero__badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  background: rgba(var(--color-primary-rgb), 0.15);
  border: 1px solid rgba(var(--color-primary-rgb), 0.3);
  color: var(--color-primary-light);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm); font-weight: 600;
  margin-bottom: var(--space-6);
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.8s ease 0.2s both;
}
.hero__badge i { font-size: 0.6rem; }
.hero__title {
  font-size: clamp(2.5rem, 5vw, var(--font-size-6xl));
  color: var(--color-white);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: var(--space-6);
  max-width: 700px;
  animation: fadeInUp 0.8s ease 0.4s both;
}
.hero__title span { color: var(--color-primary); }
.hero__description {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.7);
  max-width: 550px;
  margin-bottom: var(--space-10);
  animation: fadeInUp 0.8s ease 0.6s both;
}
.hero__actions {
  display: flex; gap: var(--space-4); flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.8s both;
}
.hero__scroll {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  z-index: 10; text-align: center;
  animation: fadeInUp 0.8s ease 1.2s both;
}
.hero__scroll-mouse {
  width: 26px; height: 40px; border: 2px solid rgba(255,255,255,0.3);
  border-radius: 13px; margin: 0 auto var(--space-2);
  position: relative;
}
.hero__scroll-dot {
  width: 4px; height: 8px; background: var(--color-primary);
  border-radius: 2px; position: absolute; top: 6px; left: 50%;
  transform: translateX(-50%);
  animation: scrollDot 2s ease infinite;
}
.hero__scroll span {
  color: rgba(255,255,255,0.4); font-size: var(--font-size-xs);
  text-transform: uppercase; letter-spacing: 2px;
}

/* Slider dots */
.hero__dots {
  position: absolute; bottom: 2.5rem; right: var(--space-6);
  z-index: 10; display: flex; flex-direction: column; gap: var(--space-3);
}
.hero__dot {
  width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.3); background: transparent;
  cursor: pointer; transition: all var(--transition);
}
.hero__dot.active {
  background: var(--color-primary); border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scrollDot {
  0% { opacity: 1; top: 6px; }
  100% { opacity: 0; top: 22px; }
}

/* === SECTIONS === */
.section {
  padding: var(--space-24) 0;
  position: relative;
}
.section--dark {
  background: var(--color-dark);
  color: var(--color-text-on-dark);
}
.section--dark h2, .section--dark h3, .section--dark h4 { color: var(--color-white); }
.section--alt {
  background: var(--color-gray-100);
}
.section--alt h2, .section--alt h3, .section--alt h4 { color: var(--color-gray-800); }
.section--alt p { color: var(--color-text-light); }
.section--alt .faq-item__question { color: var(--color-gray-800); }
.section--alt .faq-item__answer p { color: var(--color-text-light); }
.section--alt .faq-item { border-color: var(--color-gray-200); }
.section--gradient {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-200) 100%);
  color: var(--color-text-on-dark);
}
.section--gradient h2, .section--gradient h3 { color: var(--color-white); }

.section__header {
  text-align: center; margin-bottom: var(--space-16);
  max-width: 700px; margin-left: auto; margin-right: auto;
}
.section__label {
  display: inline-flex; align-items: center; gap: var(--space-2);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: var(--space-4);
}
.section__label::before, .section__label::after {
  content: ''; width: 30px; height: 2px; background: var(--color-primary);
}
.section__header h2 { margin-bottom: var(--space-4); }
.section__header p { color: var(--color-text-light); font-size: var(--font-size-lg); }
.section--dark .section__header p,
.section--gradient .section__header p { color: var(--color-text-muted); }

/* === STATS BAR === */
.stats-bar {
  position: relative; z-index: 20;
  margin-top: -60px;
  padding: 0 var(--space-6);
}
.stats-bar__inner {
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
  display: grid; grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
}
.stats-bar__item {
  text-align: center; padding: var(--space-10) var(--space-6);
  position: relative;
  transition: all var(--transition);
}
.stats-bar__item:not(:last-child)::after {
  content: ''; position: absolute; right: 0; top: 20%; height: 60%;
  width: 1px; background: var(--color-gray-200);
}
.stats-bar__item:hover {
  background: rgba(var(--color-primary-rgb), 0.03);
}
.stats-bar__number {
  font-family: var(--font-heading); font-size: var(--font-size-4xl);
  font-weight: 800; color: var(--color-primary);
  line-height: 1; margin-bottom: var(--space-2);
}
.stats-bar__number span { font-size: var(--font-size-2xl); }
.stats-bar__label {
  font-size: var(--font-size-sm); color: var(--color-text-light);
  font-weight: 500; text-transform: uppercase; letter-spacing: 1px;
}

/* === ABOUT / SPLIT SECTION === */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-16); align-items: center; }
.split--reverse { direction: rtl; }
.split--reverse > * { direction: ltr; }
.split__media { position: relative; }
.split__media img {
  border-radius: var(--border-radius-xl); width: 100%; height: 500px; object-fit: cover;
  box-shadow: var(--shadow-lg);
}
.split__media-badge {
  position: absolute; bottom: -20px; right: -20px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-6) var(--space-8);
  border-radius: var(--border-radius-xl);
  text-align: center; box-shadow: var(--shadow-glow);
}
.split__media-badge-number {
  font-family: var(--font-heading); font-size: var(--font-size-4xl);
  font-weight: 800; line-height: 1;
}
.split__media-badge-text {
  font-size: var(--font-size-xs); text-transform: uppercase; letter-spacing: 1px; opacity: 0.8;
}
.split__content h2 { margin-bottom: var(--space-6); }
.split__content p { color: var(--color-text-light); margin-bottom: var(--space-4); }
.section--dark .split__content p { color: var(--color-text-muted); }
.section--dark .split__content h2 { color: var(--color-white); }
.section--dark .split__list li { color: var(--color-text-on-dark); }
.split__list {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3);
  margin: var(--space-6) 0;
}
.split__list li {
  display: flex; align-items: center; gap: var(--space-3);
  font-weight: 500; font-size: var(--font-size-sm);
}
.split__list li::before {
  content: '\f00c'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
  color: var(--color-primary); font-size: var(--font-size-xs);
  width: 24px; height: 24px; display: flex; align-items: center; justify-content: center;
  background: rgba(var(--color-primary-rgb), 0.1);
  border-radius: 50%; flex-shrink: 0;
}

/* === PRODUCT / SERVICE CARDS === */
.products-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
.product-card {
  background: var(--color-dark-200);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
  border: 1px solid rgba(255,255,255,0.05);
  group: card;
}
.product-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-glow-lg);
  border-color: rgba(var(--color-primary-rgb), 0.3);
}
.product-card__image {
  height: 220px; overflow: hidden; position: relative;
}
.product-card__image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform var(--transition-slow);
}
.product-card:hover .product-card__image img { transform: scale(1.1); }
.product-card__image-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, var(--color-dark-200), transparent 60%);
}
.product-card__body { padding: var(--space-8); position: relative; z-index: 2; margin-top: -30px; }
.product-card__icon {
  width: 56px; height: 56px;
  background: var(--color-primary);
  border-radius: var(--border-radius);
  display: flex; align-items: center; justify-content: center;
  font-size: var(--font-size-xl); color: var(--color-white);
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-glow);
}
.product-card h3 {
  color: var(--color-white); font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}
.product-card p {
  color: var(--color-text-muted); font-size: var(--font-size-sm);
  margin-bottom: var(--space-5);
}
.product-card__link {
  display: inline-flex; align-items: center; gap: var(--space-2);
  color: var(--color-primary); font-weight: 600; font-size: var(--font-size-sm);
  text-transform: uppercase; letter-spacing: 1px;
  transition: all var(--transition);
}
.product-card__link:hover { gap: var(--space-3); color: var(--color-primary-light); }
.product-card__link i { transition: transform var(--transition); }
.product-card:hover .product-card__link i { transform: translateX(5px); }

/* === QUALITY SECTION (like Concrebras) === */
.quality-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}
.quality-card {
  text-align: center; padding: var(--space-10) var(--space-6);
  border-radius: var(--border-radius-xl);
  transition: all var(--transition);
  position: relative;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
}
.quality-card:hover {
  background: rgba(var(--color-primary-rgb), 0.05);
  border-color: rgba(var(--color-primary-rgb), 0.2);
  transform: translateY(-5px);
}
.quality-card__icon {
  width: 72px; height: 72px; margin: 0 auto var(--space-6);
  background: rgba(var(--color-primary-rgb), 0.1);
  border-radius: var(--border-radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: var(--font-size-2xl); color: var(--color-primary);
  transition: all var(--transition);
}
.quality-card:hover .quality-card__icon {
  background: var(--color-primary); color: var(--color-white);
  box-shadow: var(--shadow-glow);
}
.quality-card h3 { font-size: var(--font-size-lg); margin-bottom: var(--space-3); }
.quality-card p { font-size: var(--font-size-sm); margin-bottom: 0; }
/* Quality cards in light sections */
.section .quality-card h3 { color: var(--color-gray-800); }
.section .quality-card p { color: var(--color-text-light); }
.section .quality-card { background: var(--color-white); border: 1px solid var(--color-gray-200); }
.section .quality-card:hover { background: var(--color-white); border-color: var(--color-primary); }
.section .quality-card__icon { background: rgba(var(--color-primary-rgb), 0.08); }
/* Quality cards in dark/gradient sections (must come after light to override) */
.section--dark .quality-card,
.section--gradient .quality-card { background: rgba(255,255,255,0.03); border-color: rgba(255,255,255,0.05); }
.section--dark .quality-card:hover,
.section--gradient .quality-card:hover { background: rgba(var(--color-primary-rgb), 0.05); border-color: rgba(var(--color-primary-rgb), 0.2); }
.section--dark .quality-card h3,
.section--gradient .quality-card h3 { color: var(--color-white); }
.section--dark .quality-card p,
.section--gradient .quality-card p { color: rgba(255,255,255,0.7); }

/* === TESTIMONIALS === */
.testimonials-slider { position: relative; overflow: hidden; }
.testimonials-track {
  display: flex; transition: transform var(--transition-slow);
}
.testimonial-card {
  min-width: 100%; padding: 0 var(--space-6);
}
.testimonial-card__inner {
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  padding: var(--space-12);
  box-shadow: var(--shadow-md);
  position: relative;
  max-width: 800px; margin: 0 auto;
  text-align: center;
}
.testimonial-card__stars {
  color: var(--color-secondary); font-size: var(--font-size-lg);
  margin-bottom: var(--space-6);
}
.testimonial-card__text {
  font-size: var(--font-size-xl); font-style: italic; color: var(--color-gray-600);
  line-height: 1.8; margin-bottom: var(--space-8);
}
.testimonial-card__author { font-weight: 700; color: var(--color-gray-800); }
.testimonial-card__role { color: var(--color-text-light); font-size: var(--font-size-sm); }
.testimonial-card__quote {
  position: absolute; top: -10px; left: 30px;
  font-size: 80px; color: var(--color-primary); opacity: 0.2;
  font-family: Georgia, serif; line-height: 1;
}
.testimonials-nav {
  display: flex; justify-content: center; gap: var(--space-4); margin-top: var(--space-8);
}
.testimonials-nav button {
  width: 48px; height: 48px; border-radius: 50%;
  border: 2px solid var(--color-gray-300);
  background: var(--color-white); color: var(--color-gray-500);
  cursor: pointer; transition: all var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.testimonials-nav button:hover {
  border-color: var(--color-primary); color: var(--color-primary);
}

/* === FAQ === */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--color-gray-200);
  overflow: hidden;
}
.faq-item__question {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-6) 0;
  cursor: pointer; width: 100%;
  background: none; border: none;
  font-family: var(--font-primary); font-size: var(--font-size-lg);
  font-weight: 600; color: var(--color-gray-800);
  text-align: left;
  transition: color var(--transition-fast);
}
.faq-item__question:hover { color: var(--color-primary); }
.faq-item__question i {
  transition: transform var(--transition);
  color: var(--color-primary);
}
.faq-item.active .faq-item__question i { transform: rotate(45deg); }
.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition), padding var(--transition);
}
.faq-item.active .faq-item__answer {
  max-height: 300px; padding-bottom: var(--space-6);
}
.faq-item__answer p { color: var(--color-text-light); }

/* === CTA SECTION === */
.cta {
  position: relative; padding: var(--space-24) 0; overflow: hidden;
  background: linear-gradient(135deg, var(--color-dark) 0%, #0d2b26 50%, var(--color-dark) 100%);
}
.cta::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(var(--color-primary-rgb), 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(var(--color-primary-rgb), 0.1) 0%, transparent 50%);
}
.cta .container { position: relative; z-index: 1; text-align: center; }
.cta h2 { color: var(--color-white); font-size: var(--font-size-4xl); margin-bottom: var(--space-4); }
.cta p { color: var(--color-text-muted); font-size: var(--font-size-lg); margin-bottom: var(--space-10); max-width: 600px; margin-left: auto; margin-right: auto; }
.cta__actions { display: flex; gap: var(--space-4); justify-content: center; flex-wrap: wrap; }
.cta__phone {
  margin-top: var(--space-8);
  color: rgba(255,255,255,0.5); font-size: var(--font-size-lg);
}
.cta__phone a { color: var(--color-white); font-weight: 700; font-size: var(--font-size-2xl); }
.cta__phone a:hover { color: var(--color-primary); }

/* === FORM SECTION (orçamento) === */
.form-section {
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  padding: var(--space-12);
  box-shadow: var(--shadow-xl);
}
.form { display: flex; flex-direction: column; gap: 0; }
.form__group { margin-bottom: var(--space-5); }
.form__label {
  display: block; font-weight: 600; font-size: var(--font-size-sm);
  color: var(--color-gray-700); margin-bottom: var(--space-2);
}
.form__input {
  width: 100%; padding: var(--space-4);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--border-radius);
  font-family: var(--font-primary); font-size: var(--font-size-base);
  color: var(--color-gray-800);
  transition: all var(--transition-fast);
  background: var(--color-white);
}
.form__input:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.1);
}
.form-group { margin-bottom: var(--space-5); }
.form-group label {
  display: block; font-weight: 600; font-size: var(--font-size-sm);
  color: var(--color-gray-700); margin-bottom: var(--space-2);
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: var(--space-4);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--border-radius);
  font-family: var(--font-primary); font-size: var(--font-size-base);
  color: var(--color-gray-800);
  transition: all var(--transition-fast);
  background: var(--color-white);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.1);
}

/* === FOOTER === */
.footer {
  background: var(--color-dark);
  color: var(--color-text-muted);
  padding: var(--space-20) 0 0;
  position: relative;
  z-index: 1;
}
.footer::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-primary));
}
.footer__grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
}
.footer__brand p { margin-top: var(--space-4); color: var(--color-text-muted); font-size: var(--font-size-sm); }
.footer__heading {
  color: var(--color-white); font-size: var(--font-size-base);
  font-weight: 700; margin-bottom: var(--space-6);
  position: relative; padding-bottom: var(--space-3);
}
.footer__heading::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 30px; height: 2px; background: var(--color-primary);
}
.footer__links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer__links a {
  color: var(--color-text-muted); font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}
.footer__links a:hover { color: var(--color-primary); padding-left: 5px; }
.footer__contact-item {
  display: flex; gap: var(--space-3); margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
}
.footer__contact-item i { color: var(--color-primary); margin-top: 3px; }
.footer__contact-item a { color: var(--color-text-muted); }
.footer__contact-item a:hover { color: var(--color-primary); }
.footer__bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--space-6) 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  font-size: var(--font-size-xs);
}
.footer__bottom a { color: var(--color-text-muted); }
.footer__bottom a:hover { color: var(--color-primary); }

/* === WHATSAPP FLOAT === */
.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 90;
}
.whatsapp-float__btn {
  width: 60px; height: 60px;
  background: #25D366; color: var(--color-white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; text-decoration: none;
  box-shadow: 0 6px 30px rgba(37,211,102,0.4);
  transition: all var(--transition);
  position: relative; z-index: 2;
}
.whatsapp-float__btn:hover {
  transform: scale(1.1); color: var(--color-white);
  box-shadow: 0 8px 40px rgba(37,211,102,0.5);
}
.whatsapp-float__pulse {
  position: absolute; inset: -6px;
  background: #25D366; border-radius: 50%; opacity: 0;
  animation: waPulse 2s ease-out infinite;
}
@keyframes waPulse {
  0% { opacity: 0.6; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.4); }
}

/* === WHATSAPP DEPARTMENT MODAL === */
.wa-modal { display: none; position: fixed; inset: 0; z-index: 9999; }
.wa-modal.active { display: flex; align-items: center; justify-content: center; }
.wa-modal__overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  animation: fadeIn 0.3s ease;
}
.wa-modal__content {
  position: relative; z-index: 1;
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  padding: var(--space-10);
  max-width: 480px; width: 90%;
  box-shadow: var(--shadow-xl);
  animation: slideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.wa-modal__close {
  position: absolute; top: var(--space-4); right: var(--space-4);
  background: none; border: none; cursor: pointer;
  font-size: var(--font-size-xl); color: var(--color-gray-400);
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; transition: all var(--transition-fast);
}
.wa-modal__close:hover { background: var(--color-gray-100); color: var(--color-gray-700); }
.wa-modal__title {
  text-align: center; font-size: var(--font-size-xl); font-weight: 700;
  color: var(--color-gray-800); margin-bottom: var(--space-2);
}
.wa-modal__subtitle {
  text-align: center; color: var(--color-text-light); font-size: var(--font-size-sm);
  margin-bottom: var(--space-8);
}
.wa-modal__options { display: flex; flex-direction: column; gap: var(--space-3); }
.wa-modal__btn {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--border-radius-lg);
  text-decoration: none; color: var(--color-gray-800);
  transition: all var(--transition-fast);
  border: 2px solid var(--color-gray-200);
}
.wa-modal__btn:hover {
  border-color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.05);
  color: var(--color-gray-800);
  transform: translateX(5px);
}
.wa-modal__btn-icon {
  width: 44px; height: 44px; border-radius: var(--border-radius);
  display: flex; align-items: center; justify-content: center;
  font-size: var(--font-size-lg); color: var(--color-white); flex-shrink: 0;
}
.wa-modal__btn--vendedor .wa-modal__btn-icon { background: #25D366; }
.wa-modal__btn--compras .wa-modal__btn-icon { background: var(--color-primary); }
.wa-modal__btn--financeiro .wa-modal__btn-icon { background: var(--color-secondary); }
.wa-modal__btn--outros .wa-modal__btn-icon { background: var(--color-gray-500); }
.wa-modal__btn-info { flex: 1; }
.wa-modal__btn-name { font-weight: 600; font-size: var(--font-size-base); }
.wa-modal__btn-desc { font-size: var(--font-size-xs); color: var(--color-text-light); }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(40px) scale(0.95); } to { opacity: 1; transform: translateY(0) scale(1); } }

/* === BREADCRUMB === */
.breadcrumb {
  background: var(--color-dark-100);
  padding: var(--space-4) 0;
  padding-top: calc(var(--header-height) + var(--space-4));
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.breadcrumb__list { display: flex; align-items: center; gap: var(--space-2); }
.breadcrumb__item a { color: var(--color-text-muted); font-size: var(--font-size-sm); }
.breadcrumb__item a:hover { color: var(--color-primary); }
.breadcrumb__item--active { color: var(--color-primary); font-size: var(--font-size-sm); font-weight: 500; }
.breadcrumb__separator { color: var(--color-gray-500); font-size: var(--font-size-sm); }

/* === PAGE HERO (inner pages) === */
.page-hero {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-200) 100%);
  padding: var(--space-16) 0;
  text-align: center;
  position: relative;
}
.page-hero::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 80px;
  background: linear-gradient(to top, var(--color-white), transparent);
}
.page-hero h1 {
  color: var(--color-white); font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
}
.page-hero p { color: var(--color-text-muted); font-size: var(--font-size-lg); max-width: 600px; margin: 0 auto; }

/* === SCROLL ANIMATIONS === */
.reveal {
  opacity: 0; transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-60px); transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(60px); transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
.reveal-right.visible { opacity: 1; transform: translateX(0); }
.reveal-scale { opacity: 0; transform: scale(0.9); transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* === RICH CONTENT / PROSE === */
.prose { color: var(--color-text-light); line-height: 1.9; }
.prose h2 { color: var(--color-gray-800); margin-top: var(--space-12); margin-bottom: var(--space-4); font-size: var(--font-size-2xl); }
.prose h3 { color: var(--color-gray-800); margin-top: var(--space-8); margin-bottom: var(--space-3); font-size: var(--font-size-xl); }
.prose p { margin-bottom: var(--space-4); }
.prose ul, .prose ol { padding-left: var(--space-6); margin-bottom: var(--space-4); }
.prose ul li, .prose ol li { margin-bottom: var(--space-2); }
.prose ul li::before { content: '✓'; color: var(--color-primary); font-weight: 700; margin-right: var(--space-2); }
.prose ul { list-style: none; }
.prose ol { list-style: decimal; }
.prose ol li::marker { color: var(--color-primary); font-weight: 600; }
.prose strong { color: var(--color-gray-800); }
.prose a { color: var(--color-primary); text-decoration: underline; }
.prose a:hover { color: var(--color-primary-dark); }
.prose blockquote {
  border-left: 4px solid var(--color-primary);
  padding: var(--space-4) var(--space-6);
  background: rgba(var(--color-primary-rgb), 0.05);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  margin: var(--space-6) 0;
  font-style: italic;
}
.prose img { border-radius: var(--border-radius-lg); margin: var(--space-6) 0; }
.section--dark .prose, .section--dark .prose p, .section--dark .prose li { color: var(--color-text-muted); }
.section--dark .prose h2, .section--dark .prose h3, .section--dark .prose strong { color: var(--color-white); }
.section--alt .prose, .section--alt .prose p, .section--alt .prose li { color: var(--color-text-light); }

/* === CONTENT TABLE === */
.content-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-6) 0;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.content-table thead th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: var(--space-4) var(--space-5);
  text-align: left;
}
.content-table tbody td {
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-gray-200);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}
.content-table tbody tr:last-child td { border-bottom: none; }
.content-table tbody tr:nth-child(even) { background: var(--color-gray-100); }
.content-table tbody tr:hover { background: rgba(var(--color-primary-rgb), 0.05); }
.section--dark .content-table thead th { background: var(--color-primary-dark); }
.section--dark .content-table tbody td { border-color: rgba(255,255,255,0.08); color: var(--color-text-muted); }
.section--dark .content-table tbody tr:nth-child(even) { background: rgba(255,255,255,0.03); }
.section--dark .content-table tbody tr:hover { background: rgba(var(--color-primary-rgb), 0.1); }

/* === INTERNAL LINKS GRID === */
.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}
.links-grid a {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--border-radius);
  color: var(--color-gray-800);
  font-weight: 500; font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
}
.links-grid a:hover {
  border-color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.05);
  color: var(--color-primary);
  transform: translateY(-2px);
}
.links-grid a i { color: var(--color-primary); font-size: var(--font-size-lg); }
.section--dark .links-grid a {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
  color: var(--color-white);
}
.section--dark .links-grid a:hover {
  background: rgba(var(--color-primary-rgb), 0.15);
  border-color: var(--color-primary);
}

/* === BLOG ARTICLE === */
.blog-article { max-width: 800px; margin: 0 auto; }
.blog-article__meta {
  display: flex; align-items: center; gap: var(--space-4);
  color: var(--color-text-light); font-size: var(--font-size-sm);
  margin-bottom: var(--space-8); padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-gray-200);
}
.blog-article__meta i { color: var(--color-primary); }

/* === PROCESS STEPS === */
.process-steps { counter-reset: step; }
.process-step {
  display: flex; gap: var(--space-6); margin-bottom: var(--space-8);
  position: relative;
}
.process-step::before {
  counter-increment: step;
  content: counter(step);
  flex-shrink: 0;
  width: 48px; height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--border-radius-full);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-weight: 700; font-size: var(--font-size-lg);
}
.process-step h3 { margin-bottom: var(--space-2); color: var(--color-gray-800); }
.process-step p { color: var(--color-text-light); }
.section--dark .process-step h3 { color: var(--color-white); }
.section--dark .process-step p { color: var(--color-text-muted); }

/* === CONCRETE CALCULATOR === */
.calculator {
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
}
.calculator h3 { margin-bottom: var(--space-6); }
.calculator__result {
  background: rgba(var(--color-primary-rgb), 0.05);
  border: 2px solid rgba(var(--color-primary-rgb), 0.2);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6); text-align: center; margin-top: var(--space-6);
}
.calculator__result-value {
  font-family: var(--font-heading); font-size: var(--font-size-4xl);
  font-weight: 800; color: var(--color-primary);
}

/* === COUNTER ANIMATION === */
.counter { font-variant-numeric: tabular-nums; }

/* === MAP SECTION === */
.map-container {
  width: 100%; height: 400px; border-radius: var(--border-radius-xl);
  overflow: hidden; box-shadow: var(--shadow-lg);
}
.map-container iframe { width: 100%; height: 100%; border: 0; }

/* === BLOG CARDS === */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
.blog-card {
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid var(--color-gray-200);
}
.blog-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.blog-card__image { height: 200px; overflow: hidden; }
.blog-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.blog-card:hover .blog-card__image img { transform: scale(1.08); }
.blog-card__body { padding: var(--space-6); }
.blog-card__category {
  display: inline-block; background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary); font-size: var(--font-size-xs); font-weight: 600;
  padding: var(--space-1) var(--space-3); border-radius: var(--border-radius-full);
  margin-bottom: var(--space-3); text-transform: uppercase; letter-spacing: 1px;
}
.blog-card h3 { font-size: var(--font-size-lg); margin-bottom: var(--space-3); }
.blog-card h3 a { color: var(--color-gray-800); }
.blog-card h3 a:hover { color: var(--color-primary); }
.blog-card p { color: var(--color-text-light); font-size: var(--font-size-sm); }

/* === PARTNERS / TRUST BAR === */
.trust-bar {
  display: flex; align-items: center; justify-content: center; gap: var(--space-16);
  padding: var(--space-12) 0;
  opacity: 0.4; filter: grayscale(1);
  transition: all var(--transition-slow);
}
.trust-bar:hover { opacity: 0.7; filter: grayscale(0.5); }
.trust-bar img { height: 40px; width: auto; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .quality-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-bar__inner { grid-template-columns: repeat(2, 1fr); }
  .stats-bar__item:nth-child(2)::after { display: none; }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: var(--space-10); }
  .split--reverse { direction: ltr; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-6xl: 3rem;
  }

  .topbar { display: none; }

  .header {
    padding: 0;
  }
  .header .container { height: 64px; }

  .nav__toggle { display: block; }
  .nav__list {
    position: fixed; inset: 0;
    background: var(--color-dark);
    flex-direction: column;
    justify-content: center; align-items: center;
    gap: var(--space-2);
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 105;
  }
  .nav__list.active { transform: translateX(0); }
  .nav__link { color: var(--color-white); font-size: var(--font-size-xl); padding: var(--space-4); }
  .nav__link::after { display: none; }
  .nav__dropdown {
    position: static; opacity: 1; visibility: visible; transform: none;
    background: transparent; border: none; box-shadow: none;
    min-width: auto; padding: 0;
  }
  .nav__dropdown-link { text-align: center; color: rgba(255,255,255,0.6); }
  .nav__cta { margin-top: var(--space-4); }
  .nav__cta .btn { margin-left: 0; }

  .hero { min-height: 600px; }
  .hero__content { align-items: center; text-align: center; }
  .hero__title { max-width: 100%; }
  .hero__description { max-width: 100%; }
  .hero__actions { justify-content: center; }
  .hero__dots { display: none; }

  .stats-bar { margin-top: -40px; }
  .stats-bar__inner { grid-template-columns: repeat(2, 1fr); }
  .stats-bar__item { padding: var(--space-6) var(--space-4); }
  .stats-bar__item::after { display: none; }
  .stats-bar__number { font-size: var(--font-size-3xl); }

  .products-grid { grid-template-columns: 1fr; }
  .quality-grid { grid-template-columns: 1fr 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__bottom { flex-direction: column; gap: var(--space-3); text-align: center; }

  .section { padding: var(--space-16) 0; }
  .split__media img { height: 350px; }
  .split__list { grid-template-columns: 1fr; }

  .cta h2 { font-size: var(--font-size-3xl); }
}

@media (max-width: 480px) {
  .stats-bar__inner { grid-template-columns: 1fr 1fr; }
  .quality-grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; width: 100%; }
  .hero__actions .btn { width: 100%; }
  .wa-modal__content { padding: var(--space-6); }
}

/* === UTILITY CLASSES === */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-white { color: var(--color-white); }
.bg-dark { background: var(--color-dark); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* === PARALLAX LAYERS === */
.parallax-section {
  position: relative; overflow: hidden;
}
.parallax-bg {
  position: absolute; inset: -20%; z-index: 0;
  background-size: cover; background-position: center;
  will-change: transform;
}
.parallax-section > .container { position: relative; z-index: 1; }

/* === GRADIENT TEXT === */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === GLOW LINE SEPARATOR === */
.glow-line {
  height: 2px; border: none;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  margin: var(--space-16) auto;
  max-width: 300px;
  opacity: 0.5;
}

/* === COOKIE CONSENT BANNER (LGPD) === */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--color-dark);
  border-top: 2px solid var(--color-primary);
  padding: var(--space-5) 0;
  z-index: 9999;
  transform: translateY(100%);
  transition: transform 0.4s ease;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-banner__content {
  max-width: 1200px; margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex; align-items: center; gap: var(--space-6);
}
.cookie-banner__text {
  display: flex; align-items: center; gap: var(--space-4); flex: 1;
  color: var(--color-gray-300); font-size: var(--font-size-sm);
}
.cookie-banner__text i { font-size: 1.8rem; color: var(--color-primary); flex-shrink: 0; }
.cookie-banner__text p { margin: 0; }
.cookie-banner__text a { color: var(--color-primary); text-decoration: underline; }
.cookie-banner__actions { display: flex; gap: var(--space-3); flex-shrink: 0; }
@media (max-width: 768px) {
  .cookie-banner__content { flex-direction: column; text-align: center; }
  .cookie-banner__text { flex-direction: column; }
  .cookie-banner__actions { width: 100%; justify-content: center; }
}

/* === CALCULADORA DE CONCRETO (Multi-Step Calibrada) === */
.calc-wrapper {
  max-width: 800px; margin: 0 auto;
  background: var(--color-white);
  border-radius: var(--border-radius-xl);
  box-shadow: 0 4px 30px rgba(0,0,0,0.08);
  overflow: hidden;
}
/* Progress bar */
.calc-progress {
  display: flex; background: var(--color-gray-100);
  border-bottom: 2px solid var(--color-gray-200);
}
.calc-progress__step {
  flex: 1; padding: var(--space-4) var(--space-2);
  text-align: center; font-size: var(--font-size-xs); font-weight: 600;
  color: var(--color-gray-400); position: relative;
  transition: all var(--transition-fast);
}
.calc-progress__step span {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--color-gray-300); color: white;
  font-size: 12px; margin-right: var(--space-1);
  transition: background var(--transition-fast);
}
.calc-progress__step.active { color: var(--color-primary); }
.calc-progress__step.active span { background: var(--color-primary); }
/* Steps */
.calc-step { padding: var(--space-8); }
.calc-step__title { text-align: center; font-size: var(--font-size-xl); margin-bottom: var(--space-2); }
.calc-step__sub { text-align: center; color: var(--color-text-light); font-size: var(--font-size-sm); margin-bottom: var(--space-6); }
/* Geometry grid */
.calc-geo-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: var(--space-4);
}
.calc-geo-btn {
  display: flex; flex-direction: column; align-items: center; gap: var(--space-2);
  padding: var(--space-5) var(--space-3);
  border: 2px solid var(--color-gray-200); border-radius: var(--border-radius-lg);
  background: var(--color-white); cursor: pointer;
  transition: all var(--transition-fast);
}
.calc-geo-btn:hover { border-color: var(--color-primary); background: rgba(var(--color-primary-rgb),0.03); }
.calc-geo-btn i { font-size: 1.5rem; color: var(--color-primary); }
.calc-geo-btn strong { font-size: var(--font-size-sm); }
.calc-geo-btn small { font-size: var(--font-size-xs); color: var(--color-text-light); }
/* Section titles in medidas */
.calc-section-title {
  font-size: var(--font-size-sm); font-weight: 700; color: var(--color-primary);
  border-bottom: 1px solid var(--color-gray-200);
  padding-bottom: var(--space-2); margin: var(--space-5) 0 var(--space-3);
  display: flex; align-items: center; gap: var(--space-2);
}
.calc-section-title i { font-size: 0.9rem; }
/* Select */
.calc-select {
  width: 100%; padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-gray-200); border-radius: var(--border-radius);
  font-size: var(--font-size-base); background: var(--color-white);
  transition: border-color var(--transition-fast);
}
.calc-select:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb),0.15); }
/* Navigation */
.calc-nav { display: flex; gap: var(--space-4); margin-top: var(--space-6); }
.calc-nav .btn { flex: 1; }
/* Conditions */
.calc-cond-list { display: flex; flex-direction: column; gap: var(--space-3); }
.calc-cond-item {
  border: 2px solid var(--color-gray-200); border-radius: var(--border-radius-lg);
  padding: var(--space-4); transition: border-color var(--transition-fast);
}
.calc-cond-item--warn { border-color: #f59e0b; background: rgba(245,158,11,0.05); }
.calc-cond-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.calc-cond-label { font-size: var(--font-size-sm); font-weight: 500; }
.calc-cond-check { display: flex; align-items: flex-start; gap: var(--space-3); cursor: pointer; font-size: var(--font-size-sm); font-weight: 500; }
.calc-cond-check input { margin-top: 3px; width: 20px; height: 20px; accent-color: var(--color-primary); }
/* Toggle button */
.calc-toggle-btn {
  border: 2px solid var(--color-gray-300); border-radius: 24px;
  padding: var(--space-2) var(--space-5); background: var(--color-gray-100);
  cursor: pointer; font-weight: 600; font-size: var(--font-size-sm);
  color: var(--color-text-light);
  transition: all var(--transition-fast); min-width: 72px;
}
.calc-toggle-btn.active {
  background: var(--color-primary); border-color: var(--color-primary);
  color: white;
}
/* Segment control */
.calc-segment { display: flex; gap: var(--space-2); margin-top: var(--space-3); }
.calc-seg-btn {
  flex: 1; padding: var(--space-3); border: 2px solid var(--color-gray-200);
  border-radius: var(--border-radius); background: var(--color-white);
  cursor: pointer; font-weight: 600; font-size: var(--font-size-sm);
  color: var(--color-text-light); transition: all var(--transition-fast);
}
.calc-seg-btn.active, .calc-seg-btn:hover {
  border-color: var(--color-primary); color: var(--color-primary);
  background: rgba(var(--color-primary-rgb),0.05);
}
/* Result breakdown */
.calc-result__breakdown { margin-bottom: var(--space-4); }
.calc-result__breakdown ul {
  list-style: none; padding: 0; margin: 0;
  background: rgba(var(--color-primary-rgb),0.03);
  border-radius: var(--border-radius); padding: var(--space-3) var(--space-4);
}
.calc-result__breakdown li {
  padding: var(--space-2) 0; font-size: var(--font-size-sm); color: var(--color-text-light);
  border-bottom: 1px solid rgba(var(--color-primary-rgb),0.1);
}
.calc-result__breakdown li:last-child { border-bottom: none; }
/* Old overrides kept */
.calc-tabs { display: flex; flex-wrap: wrap; background: var(--color-gray-100); border-bottom: 2px solid var(--color-gray-200); }
.calc-tab { flex: 1; min-width: 130px; padding: var(--space-4) var(--space-3); border: none; background: none; cursor: pointer; font-size: var(--font-size-sm); font-weight: 600; color: var(--color-text-light); transition: all var(--transition-fast); display: flex; align-items: center; justify-content: center; gap: var(--space-2); }
.calc-tab:hover { color: var(--color-primary); background: rgba(var(--color-primary-rgb),0.05); }
.calc-tab.active { color: var(--color-primary); background: var(--color-white); border-bottom: 3px solid var(--color-primary); margin-bottom: -2px; }
.calc-form { padding: var(--space-8); }
.calc-form__grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.calc-field label { display: block; font-size: var(--font-size-sm); font-weight: 600; color: var(--color-text); margin-bottom: var(--space-2); }
.calc-field label small { font-weight: 400; color: var(--color-text-light); }
.calc-field input { width: 100%; padding: var(--space-3) var(--space-4); border: 2px solid var(--color-gray-200); border-radius: var(--border-radius); font-size: var(--font-size-base); transition: border-color var(--transition-fast); }
.calc-field input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb),0.15); }
.calc-margin { margin: var(--space-6) 0; font-size: var(--font-size-sm); color: var(--color-text-light); }
.calc-margin label { display: flex; align-items: center; gap: var(--space-2); cursor: pointer; }
.calc-margin input[type="checkbox"] { accent-color: var(--color-primary); width: 18px; height: 18px; }
.calc-btn { width: 100%; }
.calc-result {
  margin: 0; padding: var(--space-6);
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb),0.05), rgba(var(--color-primary-rgb),0.02));
  border: 2px solid var(--color-primary); border-radius: var(--border-radius-lg);
  animation: slideUp 0.4s ease;
}
.calc-result__header { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-5); color: var(--color-primary); }
.calc-result__header i { font-size: 1.5rem; }
.calc-result__header h3 { margin: 0; font-size: var(--font-size-lg); }
.calc-result__grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--space-4); margin-bottom: var(--space-5); }
.calc-result__item { text-align: center; }
.calc-result__label { display: block; font-size: var(--font-size-xs); color: var(--color-text-light); margin-bottom: var(--space-1); }
.calc-result__value { display: block; font-size: var(--font-size-xl); font-weight: 700; color: var(--color-text); }
.calc-result__item--total .calc-result__value { color: var(--color-primary); font-size: var(--font-size-2xl); }
.calc-result__detail { font-size: var(--font-size-sm); color: var(--color-text-light); margin-bottom: var(--space-5); }
.calc-result__actions { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.calc-result__actions .btn { flex: 1; min-width: 200px; text-align: center; }

@media (max-width: 768px) {
  .calc-form__grid { grid-template-columns: 1fr; }
  .calc-result__grid { grid-template-columns: 1fr; }
  .calc-geo-grid { grid-template-columns: 1fr 1fr; }
  .calc-step { padding: var(--space-5); }
  .calc-result__actions { flex-direction: column; }
  .calc-progress__step { font-size: 10px; padding: var(--space-3) var(--space-1); }
  .calc-progress__step span { width: 20px; height: 20px; font-size: 10px; }
  .calc-segment { flex-direction: column; }
}