/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

/* Design System - Variables */
:root {
  --primary: #0B0F19;
  --primary-rgb: 11, 15, 25;
  --primary-light: #1E293B;
  --primary-dark: #05070D;
  --secondary: #0EA5E9;
  --secondary-rgb: 14, 165, 233;
  --secondary-light: #38BDF8;
  --secondary-dark: #0284C7;
  --accent: #F59E0B;
  --accent-rgb: 245, 158, 11;
  --accent-dark: #D97706;
  --text-dark: #0F172A;
  --text-light: #4B5563;
  --text-white: #FFFFFF;
  --bg-light: #F8FAFC;
  --bg-card: #FFFFFF;
  --border: #E5E7EB;
  --border-light: #F3F4F6;
  --shadow-sm: 0 2px 8px rgba(11, 15, 25, 0.04);
  --shadow-md: 0 12px 30px -10px rgba(11, 15, 25, 0.08), 0 4px 6px -2px rgba(11, 15, 25, 0.03);
  --shadow-lg: 0 30px 60px -15px rgba(11, 15, 25, 0.12), 0 10px 30px -15px rgba(11, 15, 25, 0.06);
  --shadow-premium: 0 25px 50px -12px rgba(11, 15, 25, 0.15), 0 0 30px rgba(14, 165, 233, 0.08);
  --shadow-gold: 0 25px 50px -12px rgba(11, 15, 25, 0.15), 0 0 30px rgba(245, 158, 11, 0.12);
  --glass-bg: rgba(11, 15, 25, 0.75);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-blur: saturate(180%) blur(20px);
  --font-title: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', 'Inter', sans-serif;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background-color: var(--bg-light);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
}

button {
  cursor: pointer;
  background: none;
}

ul {
  list-style: none;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 5px;
}

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

/* Utility Classes */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 6.5rem 0;
}

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

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--secondary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-title);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--primary);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.section-desc {
  max-width: 760px;
  margin: 0 auto 3.5rem;
  color: var(--text-light);
  font-size: 1.05rem;
  line-height: 1.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.9rem 2.25rem;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 50px;
  transition: var(--transition-normal);
  white-space: nowrap;
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--text-white);
  box-shadow: 0 5px 15px rgba(10, 25, 47, 0.1);
}

.btn-primary:hover {
  background-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(10, 25, 47, 0.18);
}

.btn-secondary {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

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

.btn-accent {
  background-color: var(--secondary);
  color: var(--text-white);
  box-shadow: 0 5px 15px rgba(19, 154, 140, 0.15);
}

.btn-accent:hover {
  background-color: var(--secondary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(19, 154, 140, 0.28);
}

/* ----------------------------------------------------
   HEADER & NAVIGATION
---------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: var(--transition-normal);
}

.header.scrolled {
  padding: 0.25rem 0;
  box-shadow: var(--shadow-md);
  background-color: rgba(11, 15, 25, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5.5rem;
  transition: var(--transition-normal);
}

.header.scrolled .nav-container {
  height: 4.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.logo-icon {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--secondary);
  filter: drop-shadow(0 0 8px rgba(14, 165, 233, 0.3));
}

.logo-text {
  font-family: var(--font-title);
  font-size: 1.65rem;
  font-weight: 900;
  color: var(--text-white);
  letter-spacing: -0.03em;
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-text span.brand-sub {
  font-size: 0.65rem;
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.25rem;
  text-transform: uppercase;
}

.logo-text span.brand-dot {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.02em;
  position: relative;
  padding: 0.5rem 0;
  transition: var(--transition-fast);
}

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

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.menu-toggle {
  display: none;
  font-size: 1.75rem;
  color: var(--text-white);
}

/* ----------------------------------------------------
   HERO SECTION
---------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary);
  padding: 8rem 0 5rem;
  overflow: hidden;
  color: var(--text-white);
  text-align: center;
}

/* Ambient glow blobs */
.hero-glow-1 {
  position: absolute;
  top: 10%;
  left: 10%;
  width: 40vw;
  height: 40vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.12) 0%, rgba(14, 165, 233, 0) 70%);
  filter: blur(50px);
  pointer-events: none;
  z-index: 1;
}

.hero-glow-2 {
  position: absolute;
  bottom: 10%;
  right: 10%;
  width: 35vw;
  height: 35vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, rgba(245, 158, 11, 0) 70%);
  filter: blur(50px);
  pointer-events: none;
  z-index: 1;
}

.hero-container {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.2);
  color: var(--secondary-light);
  font-size: 0.75rem;
  font-weight: 800;
  border-radius: 50px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-title);
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--text-white);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-title .text-glow {
  background: linear-gradient(135deg, var(--secondary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  display: inline-block;
}

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: #9CA3AF;
  max-width: 760px;
  line-height: 1.75;
  margin-bottom: 3rem;
}

.hero-ctas {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 4rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Glowing Primary Button */
.btn-primary-glowing {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
  color: var(--text-white);
  padding: 1rem 2.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 50px;
  box-shadow: 0 10px 25px rgba(14, 165, 233, 0.35), 0 0 15px rgba(14, 165, 233, 0.2);
  transition: var(--transition-normal);
}

.btn-primary-glowing:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(14, 165, 233, 0.5), 0 0 25px rgba(14, 165, 233, 0.3);
}

/* Secondary Outline Button */
.btn-secondary-outline {
  background: transparent;
  color: var(--text-white);
  border: 2px solid rgba(255, 255, 255, 0.2);
  padding: 0.9rem 2.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 50px;
  transition: var(--transition-normal);
}

.btn-secondary-outline:hover {
  border-color: var(--text-white);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-3px);
}

/* Stats Banner in Hero */
.hero-stats {
  display: grid;
  grid-template-cols: repeat(3, 1fr);
  gap: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2.5rem;
  width: 100%;
  max-width: 750px;
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-family: var(--font-title);
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-lbl {
  font-size: 0.775rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
}

@media (max-width: 600px) {
  .hero-stats {
    grid-template-cols: 1fr;
    gap: 1.5rem;
    padding-top: 2rem;
  }
}

/* ----------------------------------------------------
   FILTER TABS CONTAINER
---------------------------------------------------- */
.filter-tabs-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin: 2.5rem auto 3.5rem;
  flex-wrap: wrap;
  max-width: 900px;
}

.filter-tab {
  background: var(--bg-card);
  color: var(--text-dark);
  border: 1px solid var(--border);
  padding: 0.75rem 1.75rem;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.filter-tab:hover {
  border-color: var(--secondary);
  color: var(--secondary);
  transform: translateY(-1px);
}

.filter-tab.active {
  background: var(--secondary);
  color: var(--text-white);
  border-color: var(--secondary);
  box-shadow: 0 10px 20px -5px rgba(14, 165, 233, 0.3);
}

/* ----------------------------------------------------
   FILTER TRANSITION AND LISTING
---------------------------------------------------- */
.filter-item {
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 1;
  transform: scale(1);
}

.filter-item.hidden {
  display: none !important;
  opacity: 0;
  transform: scale(0.95);
}

/* ----------------------------------------------------
   ALTERNATING PRODUCT CATALOG SECTION
---------------------------------------------------- */
.products-section {
  background-color: var(--bg-light);
}

.catalog-container {
  display: grid;
  grid-template-cols: repeat(2, 1fr);
  gap: 3rem;
  margin-top: 3rem;
}

/* Product Card Design */
.catalog-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.catalog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-premium);
  border-color: rgba(14, 165, 233, 0.25);
}

/* Wide Card for Dynamic Grid (span 2 columns) */
@media (min-width: 992px) {
  .catalog-card.wide-card {
    grid-column: span 2;
    flex-direction: row;
    align-items: stretch;
  }

  .catalog-card.wide-card .catalog-gallery {
    flex: 1.1;
    height: auto;
    border-bottom: none;
    border-right: 1px solid var(--border);
    padding: 2.5rem;
  }

  .catalog-card.wide-card .catalog-info {
    flex: 1.3;
    padding: 3rem 2.5rem;
  }
}

/* Product Media Frame (Top) */
.catalog-gallery {
  width: 100%;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #F8FAFC;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  position: relative;
}

.catalog-img {
  max-height: 100%;
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: var(--transition-slow);
}

.catalog-card:hover .catalog-img {
  transform: scale(1.04);
}

/* Product Info Body (Bottom) */
.catalog-info {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  text-align: left;
}

.catalog-series {
  font-size: 0.775rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--secondary);
  letter-spacing: 0.15em;
  margin-bottom: 0.65rem;
}

.catalog-title {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.25;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.catalog-desc {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.65;
  margin-bottom: 1.75rem;
}

.catalog-bullets {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
  width: 100%;
}

.catalog-bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-dark);
  font-weight: 600;
  line-height: 1.55;
}

.catalog-bullet-icon {
  color: var(--secondary);
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.catalog-cta-btn {
  width: 100%;
  padding: 1rem;
  border-radius: 50px;
  font-weight: 800;
  font-size: 0.9rem;
  margin-top: auto;
  border: 2px solid var(--secondary);
  color: var(--secondary);
  background: transparent;
  text-align: center;
  transition: var(--transition-normal);
}

.catalog-card:hover .catalog-cta-btn {
  background: var(--secondary);
  color: var(--text-white);
  box-shadow: 0 10px 20px -5px rgba(14, 165, 233, 0.35);
}

/* ----------------------------------------------------
   QUALITY & EUROPEAN STANDARDS
---------------------------------------------------- */
.quality-section {
  background-color: var(--bg-card);
}

.quality-section {
  background-color: var(--bg-card);
}

/* ----------------------------------------------------
   SOLUTIONS GRID SECTION (SIDE-BY-SIDE)
---------------------------------------------------- */
.solutions-grid-section {
  background-color: var(--bg-card);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 5rem;
}

.solutions-column {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.solutions-column-title {
  font-family: var(--font-title);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 2rem;
  text-align: left;
}

.solutions-list {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.solutions-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  transition: var(--transition-normal);
}

.solutions-item:hover {
  transform: translateX(4px);
}

.solutions-item .service-icon-box {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 14px;
  background-color: rgba(14, 165, 233, 0.08);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-bottom: 0;
  transition: var(--transition-normal);
}

.solutions-item:hover .service-icon-box {
  background-color: var(--secondary);
  color: var(--text-white);
  transform: scale(1.08);
  box-shadow: 0 8px 20px -6px rgba(14, 165, 233, 0.4);
}

.solutions-item .service-icon-box svg {
  width: 1.65rem;
  height: 1.65rem;
}

.solutions-item-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.cert-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: rgba(245, 158, 11, 0.1);
  color: #D97706;
  font-size: 0.75rem;
  font-weight: 800;
  border-radius: 50px;
  margin-bottom: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.solutions-item-title {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.35rem;
}

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

@media (max-width: 992px) {
  .solutions-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
}

/* ----------------------------------------------------
   ABOUT / CORPORATE HISTORY & TIMELINE
---------------------------------------------------- */
.about-section {
  background-color: var(--bg-light);
}

.about-grid {
  display: grid;
  grid-template-cols: 1fr 1fr;
  align-items: center;
  gap: 5rem;
  margin-bottom: 6rem;
}

.about-img-frame {
  position: relative;
}

.about-img-frame::before {
  content: '';
  position: absolute;
  top: -12px;
  left: -12px;
  right: -12px;
  bottom: -12px;
  border: 4px solid var(--accent);
  border-radius: 40px;
  z-index: 1;
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.15);
}

.about-img-wrapper {
  position: relative;
  z-index: 2;
  border-radius: 32px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-video {
  width: 100%;
  height: 440px;
  object-fit: cover;
  display: block;
  transition: var(--transition-slow);
}

.about-img-frame:hover .about-video {
  transform: scale(1.02);
}

.about-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.about-paragraphs p {
  color: var(--text-light);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

/* Corporate Timeline */
.timeline-section-title {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 3rem;
  text-align: center;
}

.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 4px;
  background-color: var(--border);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -2px;
  border-radius: 4px;
}

.timeline-item {
  padding: 1.5rem 3rem;
  position: relative;
  background-color: transparent;
  width: 50%;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 1.5rem;
  height: 1.5rem;
  right: -0.75rem;
  background-color: var(--bg-card);
  border: 4px solid var(--accent);
  top: 1.75rem;
  border-radius: 50%;
  z-index: 5;
}

.timeline-item.right::after {
  left: -0.75rem;
}

.timeline-item.left {
  left: 0;
  text-align: right;
}

.timeline-item.right {
  left: 50%;
  text-align: left;
}

.timeline-content {
  padding: 2rem;
  background-color: var(--bg-card);
  position: relative;
  border-radius: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition-normal);
}

.timeline-item:hover .timeline-content {
  box-shadow: var(--shadow-gold);
  border-color: rgba(245, 158, 11, 0.25);
}

.timeline-item:hover::after {
  background-color: var(--accent);
}

.timeline-year {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--accent-dark);
  margin-bottom: 0.5rem;
}

.timeline-title {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.timeline-text {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.6;
}



/* ----------------------------------------------------
   TECHNICAL SPECIFICATIONS DOWNLOAD
---------------------------------------------------- */
.specs-section {
  background-color: var(--bg-light);
}

.specs-grid {
  display: grid;
  grid-template-cols: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.specs-image-box {
  border-radius: 32px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
}

.specs-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.spec-download-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
  margin-top: 2rem;
}

.spec-download-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 1.5rem 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.spec-download-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--secondary);
}

.spec-info {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.spec-icon-wrapper {
  color: #DC2626;
  /* PDF Red */
  flex-shrink: 0;
}

.spec-icon-wrapper svg {
  width: 2.5rem;
  height: 2.5rem;
}

.spec-name {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.35rem;
}

.spec-meta {
  font-size: 0.775rem;
  color: var(--text-light);
}

.spec-download-btn {
  color: var(--secondary);
  background-color: var(--accent);
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
}

.spec-download-card:hover .spec-download-btn {
  background-color: var(--secondary);
  color: var(--text-white);
}

/* ----------------------------------------------------
   CONTACT SECTION & FORM
---------------------------------------------------- */
.contact-section {
  background-color: var(--bg-card);
}

.contact-grid {
  display: grid;
  grid-template-cols: 1fr 1.35fr;
  gap: 5rem;
}

.contact-info-panel {
  background-color: var(--primary);
  color: var(--text-white);
  border-radius: 32px;
  padding: 4rem 3.5rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-info-panel::before {
  content: '';
  position: absolute;
  top: -10%;
  left: -10%;
  width: 120%;
  height: 120%;
  background: radial-gradient(circle at 10% 10%, rgba(14, 165, 233, 0.15) 0%, rgba(11, 15, 25, 0) 50%),
    radial-gradient(circle at 90% 90%, rgba(245, 158, 11, 0.15) 0%, rgba(11, 15, 25, 0) 50%);
  z-index: 1;
  pointer-events: none;
}

.contact-info-panel * {
  position: relative;
  z-index: 2;
}

.contact-panel-title {
  font-family: var(--font-title);
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
}

.contact-panel-desc {
  font-size: 1.05rem;
  opacity: 0.8;
  margin-bottom: 3.5rem;
  line-height: 1.7;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}

.contact-detail-icon {
  color: var(--secondary);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.contact-detail-icon svg {
  width: 1.75rem;
  height: 1.75rem;
}

.contact-detail-title {
  font-size: 0.775rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  opacity: 0.6;
  margin-bottom: 0.35rem;
}

.contact-detail-value {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.6;
}

.contact-detail-value a:hover {
  color: var(--secondary);
}

.social-links {
  display: flex;
  gap: 1.25rem;
  margin-top: 4rem;
}

.social-btn {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-white);
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.social-btn:hover {
  background-color: var(--secondary);
  color: var(--text-white);
  transform: translateY(-4px);
}

.contact-form-panel {
  background-color: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: 4rem 3.5rem;
  box-shadow: var(--shadow-sm);
}

.form-title {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.65rem;
}

.form-desc {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 3rem;
}

.form-grid {
  display: grid;
  grid-template-cols: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  font-size: 0.775rem;
  font-weight: 800;
  color: var(--primary-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.65rem;
}

.form-input {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1rem 1.5rem;
  border-radius: 16px;
  font-size: 0.95rem;
  color: var(--text-dark);
  font-weight: 500;
  transition: var(--transition-normal);
}

.form-input:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 4px rgba(19, 154, 140, 0.15);
  background-color: #FFFFFF;
}

textarea.form-input {
  min-height: 140px;
  resize: vertical;
}

.form-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}

.form-checkbox {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--secondary);
  border-radius: 6px;
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.checkbox-label {
  font-size: 0.8rem;
  color: var(--text-light);
  line-height: 1.6;
}

.checkbox-label a {
  color: var(--secondary);
  font-weight: 700;
}

.checkbox-label a:hover {
  text-decoration: underline;
}

/* ----------------------------------------------------
   FOOTER
---------------------------------------------------- */
.footer {
  background-color: var(--primary-dark);
  color: var(--text-white);
  padding: 6rem 0 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top {
  display: grid;
  grid-template-cols: 1.5fr 1fr 1fr 1.25fr;
  gap: 5rem;
  margin-bottom: 5rem;
}

.footer-brand-logo .logo-text {
  color: var(--text-white);
}

.footer-brand-logo .logo-text span.brand-sub {
  color: rgba(255, 255, 255, 0.6);
}

.footer-brand-desc {
  font-size: 0.9rem;
  opacity: 0.65;
  line-height: 1.8;
  margin-top: 1.5rem;
  margin-bottom: 2rem;
}

.footer-col-title {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
  position: relative;
  padding-bottom: 0.65rem;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 2rem;
  height: 2px;
  background-color: var(--secondary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-link {
  font-size: 0.9rem;
  opacity: 0.75;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-link::before {
  content: '→';
  opacity: 0;
  transform: translateX(-5px);
  transition: var(--transition-fast);
  color: var(--secondary);
}

.footer-link:hover {
  opacity: 1;
  color: var(--secondary);
  padding-left: 0.65rem;
}

.footer-link:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  font-size: 0.9rem;
  opacity: 0.75;
  margin-bottom: 1.25rem;
}

.footer-contact-icon {
  color: var(--secondary);
  flex-shrink: 0;
}

.footer-contact-text a:hover {
  color: var(--secondary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.copyright {
  font-size: 0.8rem;
  opacity: 0.55;
}

.footer-legal-links {
  display: flex;
  gap: 2rem;
}

.footer-legal-link {
  font-size: 0.8rem;
  opacity: 0.55;
}

.footer-legal-link:hover {
  opacity: 1;
  color: var(--secondary);
}

/* ----------------------------------------------------
   WHATSAPP FLOAT BUTTON
---------------------------------------------------- */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: #25D366;
  color: #FFFFFF;
  width: 3.75rem;
  height: 3.75rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.35);
  z-index: 999;
  transition: var(--transition-normal);
}

.whatsapp-float:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 15px 30px rgba(37, 211, 102, 0.5);
  background-color: #22c35e;
}

.whatsapp-icon {
  width: 2rem;
  height: 2rem;
}

/* ----------------------------------------------------
   RESPONSIVE MEDIA QUERIES
---------------------------------------------------- */
@media (max-width: 1024px) {
  html {
    font-size: 15px;
  }

  .hero-grid {
    grid-template-cols: 1fr;
    gap: 4rem;
    text-align: center;
  }

  .hero-content {
    align-items: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-title {
    font-size: 3.35rem;
  }

  .stats-grid {
    grid-template-cols: repeat(2, 1fr);
    gap: 3rem 1.5rem;
  }

  .quality-grid,
  .about-grid,
  .specs-grid,
  .contact-grid {
    grid-template-cols: 1fr;
    gap: 4rem;
  }

  .quality-text-content,
  .about-info,
  .specs-content {
    order: -1;
    align-items: center;
    text-align: center;
  }

  .standards-list,
  .spec-download-list {
    align-items: stretch;
  }

  .services-grid {
    grid-template-cols: repeat(2, 1fr);
  }

  .footer-top {
    grid-template-cols: repeat(2, 1fr);
    gap: 3rem;
  }

  .timeline::after {
    left: 1.5rem;
  }

  .timeline-item {
    width: 100%;
    padding-left: 3.5rem;
    padding-right: 0;
    text-align: left !important;
  }

  .timeline-item::after {
    left: 0.75rem !important;
  }

  .timeline-item.right {
    left: 0%;
  }

  /* Catalog mobile alignment */
  .catalog-container {
    grid-template-cols: 1fr;
    gap: 2rem;
  }

  .catalog-gallery {
    height: 300px;
  }

  .catalog-info {
    width: 100%;
  }

  .catalog-title {
    font-size: 1.85rem;
    margin-bottom: 1rem;
  }
}

@media (max-width: 768px) {
  .section-padding {
    padding: 6rem 0;
  }

  .hero-title {
    font-size: 2.85rem;
  }

  .menu-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 5.5rem;
    left: -100%;
    width: 100%;
    height: calc(100vh - 5.5rem);
    background-color: var(--bg-card);
    flex-direction: column;
    align-items: flex-start;
    padding: 3rem 2rem;
    gap: 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    z-index: 999;
  }

  .header.scrolled .nav-menu {
    top: 4.5rem;
    height: calc(100vh - 4.5rem);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-actions {
    display: none;
  }

  .nav-menu .btn {
    width: 100%;
    margin-top: 1rem;
  }

  .services-grid {
    grid-template-cols: 1fr;
  }

  .form-grid {
    grid-template-cols: 1fr;
  }

  .form-group.full-width {
    grid-column: span 1;
  }

  .footer-top {
    grid-template-cols: 1fr;
    gap: 3rem;
  }

  .hero-cf-1 {
    left: -1rem;
    bottom: -2rem;
  }

  .hero-cf-2 {
    right: -1rem;
  }

  .certificates-grid {
    grid-template-cols: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.35rem;
  }

  .stats-grid {
    grid-template-cols: 1fr;
    gap: 2.5rem;
  }

  .contact-info-panel {
    padding: 2.5rem 2rem;
  }

  .contact-form-panel {
    padding: 2.5rem 2rem;
  }
}