/* ============================================
   GR INDUSTRIAL — Design System CSS
   "Industrial Precision & Editorial Authority"
   ============================================ */

/* ---------- Asset Protection ---------- */
img {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
}

.product-card__image,
.modal-gallery__main,
.video-card,
.hero__bg {
  position: relative;
}

.product-card__image::after,
.modal-gallery__main::after,
.video-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: transparent;
  pointer-events: none;
}

.product-card__image img,
.video-card img,
.hero__bg img,
.nav__logo,
.footer__logo {
  pointer-events: none;
}

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Primary Palette */
  --primary: #000b1f;
  --primary-container: #0a2240;
  --on-primary: #ffffff;
  --on-primary-container: #758aad;
  
  /* Secondary Palette (Bronze/Gold) */
  --secondary: #795900;
  --secondary-container: #feca56;
  --on-secondary: #ffffff;
  --on-secondary-container: #735500;
  
  /* Tertiary */
  --tertiary: #070b0f;
  --tertiary-container: #1e2226;
  
  /* Surface Hierarchy */
  --surface: #fbf9f8;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f6f3f2;
  --surface-container: #f0eded;
  --surface-container-high: #eae8e7;
  --surface-container-highest: #e4e2e1;
  --surface-dim: #dcd9d9;
  --surface-variant: #e4e2e1;
  --surface-bright: #fbf9f8;
  
  /* On Surface */
  --on-surface: #1b1c1c;
  --on-surface-variant: #44474e;
  --on-background: #1b1c1c;
  --background: #fbf9f8;
  
  /* Outline */
  --outline: #74777e;
  --outline-variant: #c4c6ce;
  
  /* Inverse */
  --inverse-surface: #303030;
  --inverse-on-surface: #f3f0f0;
  --inverse-primary: #b2c7ee;
  
  /* Error */
  --error: #ba1a1a;
  --error-container: #ffdad6;
  
  /* Functional Colors */
  --whatsapp-green: #25D366;
  --instagram-gradient: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  
  /* Typography */
  --font-headline: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* 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;
  
  /* Border Radius (Industrial — minimal) */
  --radius-sm: 0.125rem;
  --radius-md: 0.25rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  
  /* Shadows (Navy-tinted) */
  --shadow-sm: 0 1px 3px rgba(0, 11, 31, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 11, 31, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 11, 31, 0.12);
  --shadow-xl: 0 12px 40px rgba(0, 11, 31, 0.15);
  --shadow-2xl: 0 20px 60px rgba(0, 11, 31, 0.2);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-slower: 0.7s ease;
  
  /* Container Width */
  --max-width: 1280px;
  --nav-height: 80px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--on-background);
  background-color: var(--background);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: var(--secondary-container);
  color: var(--on-secondary-container);
}

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

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

ul, ol {
  list-style: none;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--primary);
}

::-webkit-scrollbar-thumb {
  background: var(--secondary-container);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary);
}

/* ---------- Typography ---------- */
.font-headline {
  font-family: var(--font-headline);
}

.font-body {
  font-family: var(--font-body);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  line-height: 1.1;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: linear-gradient(to bottom, var(--primary), rgba(0, 11, 31, 0.7));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-base), background var(--transition-base);
}

.nav--hidden {
  transform: translateY(-100%);
}

.nav__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-8);
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav__logo {
  width: auto;
  height: 50px;
  object-fit: contain;
  flex-shrink: 0;
}

.nav__brand-text {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--on-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
}

.nav__brand-text span {
  color: var(--secondary-container);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: -0.01em;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--secondary-container);
}

.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--secondary-container);
}

.nav__phone {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--secondary-container);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.9rem;
  transition: transform var(--transition-fast);
}

.nav__phone:hover {
  transform: scale(1.05);
}

.nav__phone:active {
  transform: scale(0.95);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  z-index: 1001;
}

.nav__hamburger span {
  width: 24px;
  height: 2px;
  background: var(--on-primary);
  transition: var(--transition-base);
  transform-origin: center;
}

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

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

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

/* Mobile Menu */
.nav__mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--primary);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.nav__mobile-menu.active {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.nav__mobile-link {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 2rem;
  color: var(--on-primary);
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.nav__mobile-link:hover {
  color: var(--secondary-container);
}

.nav__mobile-cta {
  margin-top: var(--space-8);
  padding: var(--space-4) var(--space-10);
  background: var(--secondary-container);
  color: var(--on-secondary-container);
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

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

.hero__bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--primary) 0%, rgba(0, 11, 31, 0.85) 40%, rgba(0, 11, 31, 0.4) 70%, transparent 100%);
  z-index: 1;
}

.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-8);
  width: 100%;
}

.hero__inner {
  max-width: 800px;
}

.hero__tag {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-6);
}

.hero__tag-brand {
  color: var(--secondary-container);
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.hero__tag-label {
  display: inline-block;
  width: fit-content;
  padding: var(--space-1) var(--space-4);
  background: var(--secondary);
  color: var(--on-secondary);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero__title {
  font-size: clamp(2.5rem, 7vw, 6rem);
  font-weight: 900;
  color: var(--on-primary);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-8);
  line-height: 1.05;
}

.hero__title span {
  color: var(--secondary-container);
}

.hero__desc {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin-bottom: var(--space-12);
  line-height: 1.7;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.hero__watermark {
  position: absolute;
  bottom: var(--space-12);
  right: var(--space-12);
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 10rem;
  line-height: 1;
  color: rgba(255, 255, 255, 0.04);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-4) var(--space-8);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
}

.btn:active {
  transform: scale(0.95);
}

.btn--primary {
  background: var(--secondary-container);
  color: var(--on-secondary-container);
  box-shadow: var(--shadow-lg);
}

.btn--primary:hover {
  background: #ffe08a;
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--on-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--dark {
  background: var(--primary);
  color: var(--on-primary);
}

.btn--dark:hover {
  background: var(--primary-container);
}

.btn--whatsapp {
  background: var(--whatsapp-green);
  color: var(--on-primary);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

.btn--whatsapp:hover {
  filter: brightness(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.4);
  transform: translateY(-2px);
}

.btn--lg {
  padding: var(--space-5) var(--space-10);
  font-size: 1.1rem;
}

.btn--full {
  width: 100%;
}

/* ---------- Stats Section ---------- */
.stats {
  background: var(--primary-container);
  padding: var(--space-12) var(--space-8);
}

.stats__grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.stats__item {
  display: flex;
  flex-direction: column;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  padding-left: var(--space-6);
}

.stats__number {
  color: var(--secondary-container);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 2.2rem;
}

.stats__label {
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--font-body);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-top: var(--space-2);
}

/* ---------- Products Section ---------- */
.products {
  padding: var(--space-24) var(--space-8);
  background: var(--surface-container-low);
}

.products__header {
  max-width: var(--max-width);
  margin: 0 auto var(--space-16);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.products__header-top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.products__title {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.products__title-bar {
  height: 3px;
  width: 60px;
  background: var(--secondary-container);
  margin-top: var(--space-4);
}

.products__subtitle {
  color: var(--on-surface-variant);
  max-width: 450px;
  font-size: 1rem;
  line-height: 1.6;
}

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

/* Product Card */
.product-card {
  background: var(--surface-container-lowest);
  overflow: hidden;
  position: relative;
  transition: box-shadow var(--transition-base);
}

.product-card:hover {
  box-shadow: var(--shadow-xl);
  z-index: 2;
}

.product-card__image {
  aspect-ratio: 1;
  overflow: hidden;
  position: relative;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-4);
  filter: grayscale(0.3);
  transition: all var(--transition-slower);
}

.product-card:hover .product-card__image img {
  filter: grayscale(0);
  transform: scale(1.08);
}

.product-card__body {
  padding: var(--space-6) var(--space-8);
}

.product-card__category {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.7rem;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: var(--space-2);
  display: block;
}

.product-card__name {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--primary);
  margin-bottom: var(--space-3);
  line-height: 1.2;
}

.product-card__desc {
  color: var(--on-surface-variant);
  font-size: 0.85rem;
  margin-bottom: var(--space-6);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--primary);
  text-transform: uppercase;
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.product-card:hover .product-card__cta {
  color: var(--secondary);
  gap: var(--space-3);
}

.product-card__cta .arrow {
  font-size: 1rem;
  transition: transform var(--transition-fast);
}

.product-card:hover .product-card__cta .arrow {
  transform: translateX(4px);
}

/* ---------- Videos Section ---------- */
.videos {
  padding: var(--space-24) var(--space-8);
  background: var(--primary);
  position: relative;
  overflow: hidden;
}

.videos::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 2px 2px, rgba(254, 202, 86, 0.06) 1px, transparent 0);
  background-size: 40px 40px;
  pointer-events: none;
}

.videos__header {
  max-width: var(--max-width);
  margin: 0 auto var(--space-16);
  position: relative;
  z-index: 1;
}

.videos__title {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--on-primary);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.videos__title span {
  color: var(--secondary-container);
}

.videos__title-bar {
  height: 3px;
  width: 60px;
  background: var(--secondary-container);
}

.videos__subtitle {
  color: rgba(255, 255, 255, 0.6);
  max-width: 500px;
  margin-top: var(--space-4);
  font-size: 1rem;
}

.videos__grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-6);
  position: relative;
  z-index: 1;
}

.video-card {
  position: relative;
  aspect-ratio: 9/16;
  overflow: hidden;
  cursor: pointer;
  background: var(--primary-container);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

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

.video-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 11, 31, 0.8) 0%, transparent 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  transition: background var(--transition-base);
}

.video-card:hover .video-card__overlay {
  background: linear-gradient(to top, rgba(0, 11, 31, 0.9) 0%, rgba(0, 11, 31, 0.2) 50%);
}

.video-card__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--secondary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: 0 0 30px rgba(254, 202, 86, 0.3);
}

.video-card:hover .video-card__play {
  transform: translate(-50%, -50%) scale(1.15);
  box-shadow: 0 0 50px rgba(254, 202, 86, 0.5);
}

.video-card__play .material-symbols-outlined {
  font-size: 2rem;
  color: var(--primary);
  margin-left: 3px;
}

.video-card__label {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1rem;
  color: var(--on-primary);
  text-transform: uppercase;
  height: 34px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.video-card__sublabel {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Video placeholder (when no video file) */
.video-card--placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.video-card--placeholder .video-card__placeholder-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

/* ---------- Features Section ---------- */
.features {
  padding: var(--space-24) var(--space-8);
  background: var(--surface);
  overflow: hidden;
  position: relative;
}

.features__bg-accent {
  position: absolute;
  top: 0;
  right: 0;
  width: 33%;
  height: 100%;
  background: var(--surface-container-low);
  z-index: 0;
  transform: translateX(50%);
}

.features__inner {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-12);
  position: relative;
  z-index: 1;
}

.features__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--primary);
  line-height: 1.1;
  margin-bottom: var(--space-8);
}

.features__title span {
  color: var(--secondary);
}

.features__desc {
  color: var(--on-surface-variant);
  font-size: 1.1rem;
  margin-bottom: var(--space-12);
  line-height: 1.7;
}

.features__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.feature-item {
  display: flex;
  gap: var(--space-6);
}

.feature-item__icon {
  width: 56px;
  height: 56px;
  min-width: 56px;
  background: var(--primary-container);
  color: var(--secondary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-base);
}

.feature-item:hover .feature-item__icon {
  transform: rotate(12deg);
}

.feature-item__icon .material-symbols-outlined {
  font-size: 1.75rem;
}

.feature-item__title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: var(--space-2);
}

.feature-item__desc {
  color: var(--on-surface-variant);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Features Data Panel */
.features__data {
  position: relative;
  z-index: 1;
}

.features__data-panel {
  position: relative;
  z-index: 2;
  padding: var(--space-12);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  color: var(--on-primary);
}

.features__data-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.data-card {
  padding: var(--space-8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  transition: background var(--transition-base), border-color var(--transition-base);
}

.data-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(254, 202, 86, 0.3);
}

.data-card__value {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 2.5rem;
  color: var(--secondary-container);
  margin-bottom: var(--space-3);
  display: block;
}

.data-card__label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.6);
}

.features__data-shadow {
  position: absolute;
  bottom: -8px;
  right: -8px;
  width: 100%;
  height: 100%;
  background: var(--secondary-container);
  opacity: 0.1;
  z-index: 1;
}

/* ---------- Contact Section ---------- */
.contact {
  padding: var(--space-24) var(--space-8);
  background: var(--primary);
  position: relative;
  overflow: hidden;
}

.contact__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  pointer-events: none;
  background-image: radial-gradient(circle at 2px 2px, var(--secondary-container) 1px, transparent 0);
  background-size: 40px 40px;
}

.contact__card {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  background: var(--surface-container-lowest);
  padding: var(--space-12) var(--space-16);
  box-shadow: var(--shadow-2xl);
  display: flex;
  gap: var(--space-16);
  align-items: center;
}

.contact__info {
  flex: 1;
}

.contact__title {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.contact__desc {
  color: var(--on-surface-variant);
  font-size: 1.05rem;
  margin-bottom: var(--space-10);
  line-height: 1.7;
}

.contact__channels {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact__channel {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary);
  transition: color var(--transition-fast);
}

.contact__channel:hover {
  color: var(--secondary);
}

.contact__channel .material-symbols-outlined {
  color: var(--secondary);
  font-size: 1.5rem;
}

.contact__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-width: 260px;
}

.contact__actions .btn {
  justify-content: center;
}

.contact__note {
  text-align: center;
  color: var(--on-surface-variant);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-top: var(--space-2);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--primary);
  padding: var(--space-12) var(--space-8);
}

.footer__grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__logo {
  width: auto;
  height: 56px;
  object-fit: contain;
  align-self: flex-start;
  margin-top: 2px;
}

.footer__brand-name {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--secondary-container);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
}

.footer__brand-desc {
  color: #94a3b8;
  font-size: 0.85rem;
  line-height: 1.6;
  margin-top: var(--space-2);
}

.footer__socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  color: var(--secondary-container);
  border-color: var(--secondary-container);
}

.footer__social-link .material-symbols-outlined {
  font-size: 1.1rem;
}

.footer__col-title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--on-primary);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: var(--space-8);
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__col a {
  color: #94a3b8;
  font-size: 0.85rem;
  transition: color var(--transition-fast);
}

.footer__col a:hover {
  color: var(--on-primary);
}

.footer__location {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  color: #94a3b8;
  font-size: 0.85rem;
}

.footer__location-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.footer__location-item .material-symbols-outlined {
  color: var(--secondary-container);
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* Footer Bottom */
.footer__bottom {
  max-width: var(--max-width);
  margin: var(--space-16) auto 0;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-6);
}

.footer__copyright {
  font-size: 0.85rem;
  color: #94a3b8;
  letter-spacing: 0.03em;
}

.footer__copyright span {
  color: var(--secondary-container);
  font-weight: 900;
}

.footer__badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer__badge-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--secondary-container);
}

.footer__badge-text {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #64748b;
}

/* ---------- WhatsApp Floating Button ---------- */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 60px;
  height: 60px;
  background: var(--whatsapp-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 900;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  cursor: pointer;
}

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

.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--whatsapp-green);
  opacity: 0.3;
  animation: whatsappPulse 2s infinite;
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: white;
  position: relative;
  z-index: 1;
}

@keyframes whatsappPulse {
  0% {
    transform: scale(1);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.3);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 0;
  }
}

/* ---------- Scroll Reveal Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.revealed {
  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; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ---------- Material Icons Override ---------- */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

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

/* Tablet */
@media (max-width: 1024px) {
  .nav__links {
    display: none;
  }
  
  .nav__phone {
    display: none;
  }
  
  .nav__hamburger {
    display: flex;
  }
  
  .products__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features__inner {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  
  .features__bg-accent {
    display: none;
  }
  
  .videos__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }
  
  .contact__card {
    flex-direction: column;
    padding: var(--space-10);
    gap: var(--space-10);
  }
  
  .contact__actions {
    width: 100%;
  }
  
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }
  
  .hero__watermark {
    display: none;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --nav-height: 70px;
  }
  
  .nav__inner {
    padding: var(--space-3) var(--space-4);
  }
  
  .nav__logo {
    height: 44px;
  }
  
  .nav__brand-text {
    font-size: 1.2rem;
  }
  
  .hero {
    min-height: 100svh;
    align-items: flex-end;
    padding-bottom: var(--space-12);
  }
  
  .hero__bg-overlay {
    background: linear-gradient(to top, var(--primary) 0%, rgba(0, 11, 31, 0.7) 50%, rgba(0, 11, 31, 0.3) 100%);
  }
  
  .hero__content {
    padding: var(--space-6);
  }
  
  .hero__tag-brand {
    font-size: 1rem;
    letter-spacing: 0.2em;
  }
  
  .hero__tag-label {
    font-size: 0.65rem;
  }
  
  .hero__desc {
    font-size: 1rem;
    margin-bottom: var(--space-8);
  }
  
  .hero__ctas {
    flex-direction: column;
  }
  
  .hero__ctas .btn {
    width: 100%;
    justify-content: center;
  }
  
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
  
  .stats__item {
    padding-left: var(--space-4);
  }
  
  .stats__number {
    font-size: 1.8rem;
  }
  
  .products {
    padding: var(--space-16) var(--space-4);
  }
  
  .products__title {
    font-size: 2rem;
  }
  
  .products__grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .product-card__image {
    aspect-ratio: 1;
  }
  
  .product-card__body {
    padding: var(--space-5) var(--space-6);
  }
  
  .product-card__name {
    font-size: 1.2rem;
  }
  
  .videos {
    padding: var(--space-16) var(--space-4);
  }
  
  .videos__title {
    font-size: 2rem;
  }
  
  .videos__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
  }
  
  .video-card {
    aspect-ratio: 9/16;
  }
  
  .video-card__play {
    width: 48px;
    height: 48px;
  }
  
  .video-card__play .material-symbols-outlined {
    font-size: 1.5rem;
  }
  
  .video-card__label {
    font-size: 0.8rem;
  }
  
  .features {
    padding: var(--space-16) var(--space-4);
  }
  
  .features__title {
    font-size: 2rem;
  }
  
  .features__data-panel {
    padding: var(--space-6);
  }
  
  .features__data-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
  
  .data-card {
    padding: var(--space-4);
  }
  
  .data-card__value {
    font-size: 1.8rem;
  }
  
  .contact {
    padding: var(--space-16) var(--space-4);
  }
  
  .contact__card {
    padding: var(--space-8) var(--space-6);
  }
  
  .contact__title {
    font-size: 2rem;
  }
  
  .contact__channel {
    font-size: 1rem;
  }
  
  .footer {
    padding: var(--space-10) var(--space-4);
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .whatsapp-float {
    bottom: var(--space-6);
    right: var(--space-4);
    width: 54px;
    height: 54px;
  }
  
  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .nav__brand-text {
    font-size: 1rem;
  }
  
  .nav__logo {
    height: 38px;
  }
  
  .stats__number {
    font-size: 1.5rem;
  }
  
  .stats__label {
    font-size: 0.6rem;
  }
  
  .video-card__label {
    font-size: 0.7rem;
  }
  
  .video-card__sublabel {
    display: none;
  }
  
  .data-card__value {
    font-size: 1.5rem;
  }
  
  .data-card__label {
    font-size: 0.6rem;
  }
}

/* ---------- Modal Popup ---------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 11, 31, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 99999;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: var(--space-4);
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: var(--surface-container-lowest);
  width: 100%;
  max-width: 1100px;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: row;
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  transform: translateY(30px) scale(0.98);
  transition: transform var(--transition-base) cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.modal-overlay.active .modal-content {
  transform: translateY(0) scale(1);
}

/* ---------- About Us Modal ---------- */
.modal-about {
  max-width: 650px;
  text-align: center;
  padding: var(--space-16) var(--space-12);
  position: relative;
  overflow-y: auto;
  overflow-x: hidden;
  border-top: 4px solid var(--primary);
  display: block;
}

.modal-about .modal-info {
  display: block;
  position: relative;
  z-index: 1;
  padding: 0;
  overflow: visible;
  width: 100%;
  border: none;
}

@media (max-width: 768px) {
  .modal-about {
    padding: 3rem 1.5rem;
  }
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--surface-container-high);
  border: none;
  color: var(--on-surface);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.modal-close:hover {
  background: var(--error);
  color: #fff;
}

.modal-gallery {
  flex: 5;
  background: #f8f9fa;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--surface-container);
}

.modal-gallery__main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  position: relative;
  min-height: 0;
}

.modal-gallery__main img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.1));
}

.modal-gallery__thumbs {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-4);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--surface);
  scrollbar-width: thin;
}

.modal-gallery__thumb {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  overflow: hidden;
  background: #f8f9fa;
  opacity: 0.6;
  transition: all var(--transition-fast);
}

.modal-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.modal-gallery__thumb.active,
.modal-gallery__thumb:hover {
  opacity: 1;
  border-color: var(--secondary-container);
}

.modal-info {
  flex: 4;
  padding: var(--space-8);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  display: flex;
  flex-direction: column;
}

.modal-info__title {
  font-family: var(--font-headline);
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: var(--space-4);
  line-height: 1.1;
  padding-right: var(--space-8);
}

.modal-info__desc {
  font-size: 1rem;
  color: var(--on-surface-variant);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}

.modal-info__specs {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.modal-info__spec-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.modal-info__spec-item .material-symbols-outlined {
  color: var(--secondary);
  font-size: 1.25rem;
  margin-top: 2px;
}

.modal-info__spec-text {
  font-size: 0.95rem;
  color: var(--on-surface);
  line-height: 1.4;
}

.modal-info__cta {
  margin-top: auto;
  align-self: flex-start;
}

@media (max-width: 900px) {
  .modal-content {
    flex-direction: column;
    max-height: 95vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .modal-gallery {
    flex: none;
    border-right: none;
    border-bottom: 1px solid var(--surface-container);
  }
  .modal-gallery__main {
    aspect-ratio: 1; /* Square on mobile for the main view too */
    padding: var(--space-4);
  }
  .modal-info {
    flex: 1;
    min-height: 0;
    overflow-y: visible; /* Let the parent handle scrolling on mobile */
  }
  .modal-info__title {
    font-size: 1.5rem;
  }
}

/* ---------- Lightbox (Zoom) ---------- */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 5, 15, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000000;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  cursor: zoom-out;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox-overlay.active {
  display: flex;
  opacity: 1;
}

.lightbox-image {
  max-width: 95vw;
  max-height: 95vh;
  object-fit: contain;
  box-shadow: 0 30px 90px rgba(0,0,0,0.5);
  transform: scale(0.9);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: var(--radius-sm);
  background: #fff; /* Pure white background for industrial look */
}

.lightbox-overlay.active .lightbox-image {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: var(--space-8);
  right: var(--space-8);
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid rgba(255,255,255,0.2);
  z-index: 11;
}

.lightbox-close:hover {
  background: var(--error);
  transform: rotate(90deg);
  border-color: transparent;
}

.modal-gallery__main {
  cursor: zoom-in;
}

.modal-gallery__main img {
  transition: transform 0.3s ease;
}

.modal-gallery__main:hover img {
  transform: scale(1.02);
}

/* ---------- SVG Icons ---------- */
.icon-instagram {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  display: inline-block;
}
.contact__channel .icon-instagram {
  stroke: var(--secondary);
  font-size: 1.5rem;
}
.footer__social-link .icon-instagram {
  font-size: 1.1rem;
}