/* ============================================================
   Parkbloom (Rayong) Co. Ltd. - Main Stylesheet
   Bright, modern, responsive design with smooth animations
   Brand colors derived from logo: blue + green on light bg
   ============================================================ */

/* ============================================================
   CSS Variables
   ============================================================ */
:root {
  /* Brand Colors - Based on Parkbloom Logo (blue + green) */
  --color-primary: #3B82F6;       /* park blue */
  --color-primary-light: #60A5FA;
  --color-primary-dark: #2563EB;
  --color-secondary: #22C55E;     /* bloom green */
  --color-secondary-light: #4ADE80;
  --color-accent: #06B6D4;        /* cyan accent */
  --color-teal: #14B8A6;

  /* Neutral Colors */
  --color-bg: #FAFBFF;
  --color-bg-alt: #F0F7FF;
  --color-surface: #FFFFFF;
  --color-text: #0A1628;          /* logo navy */
  --color-text-secondary: #475569;
  --color-text-light: #94A3B8;
  --color-border: #E2E8F0;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #3B82F6 0%, #22C55E 100%);
  --gradient-secondary: linear-gradient(135deg, #22C55E 0%, #06B6D4 100%);
  --gradient-hero: linear-gradient(180deg, #E0F2FE 0%, #F0FDF4 50%, #FAFBFF 100%);

  /* Typography */
  --font-sans: 'Inter', 'Noto Sans SC', 'Noto Sans Thai', 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: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --space-2xl: 7rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(59, 130, 246, 0.08);
  --shadow-lg: 0 10px 30px rgba(59, 130, 246, 0.12);
  --shadow-xl: 0 20px 60px rgba(59, 130, 246, 0.18);
  --shadow-card: 0 4px 20px rgba(59, 130, 246, 0.08);

  /* Layout */
  --container-max: 1200px;
  --navbar-height: 72px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

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

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

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

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

body.nav-open {
  overflow: hidden;
}

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

ul {
  list-style: none;
}

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

/* ============================================================
   Container & Utilities
   ============================================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-2xl) 0;
  position: relative;
}

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

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto var(--space-xl);
}

.section-tag {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-primary);
  border-radius: 50px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  line-height: 1.2;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.section-description {
  max-width: 800px;
  margin: 0 auto var(--space-xl);
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
  text-align: center;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  white-space: nowrap;
  font-family: inherit;
}

.btn-sm {
  padding: 8px 20px;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 16px 36px;
  font-size: var(--font-size-lg);
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.45);
}

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

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

/* ============================================================
   Navbar
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-text);
}

.logo-img {
  height: 40px;
  width: auto;
  display: block;
  border-radius: 6px;
}

.logo-svg {
  height: 40px;
  width: auto;
}

.logo-img-dark {
  background: transparent;
  border-radius: 6px;
}

.nav-logo .logo-text {
  display: none;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links li a {
  display: block;
  padding: 8px 14px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-links li a:hover {
  color: var(--color-primary);
  background: rgba(59, 130, 246, 0.06);
}

.nav-cta-mobile {
  display: none;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: 4px;
  background: var(--color-bg-alt);
  border-radius: 50px;
  padding: 4px;
}

.lang-btn {
  padding: 6px 12px;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.lang-btn:hover {
  color: var(--color-primary);
}

.lang-btn.active {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 1001;
}

.hamburger span {
  width: 26px;
  height: 3px;
  background: var(--color-text);
  border-radius: 3px;
  transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ============================================================
   Hero Section
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: var(--navbar-height) var(--space-md) var(--space-xl);
}

.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-bg-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-hero);
  z-index: -1;
}

.hero-bg-gradient::before {
  content: '';
  position: absolute;
  top: 10%;
  right: 5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite;
}

.hero-bg-gradient::after {
  content: '';
  position: absolute;
  bottom: 10%;
  left: 5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-30px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 50px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-sm);
  animation: fadeInDown 0.8s ease;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 900;
  line-height: 1.15;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title .highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 0;
  right: 0;
  height: 12px;
  background: rgba(34, 197, 94, 0.15);
  border-radius: 8px;
  z-index: -1;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 700px;
  margin: 0 auto var(--space-lg);
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  max-width: 800px;
  margin: 0 auto;
  animation: fadeInUp 0.8s ease 0.8s both;
}

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

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: 4px;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-light);
  animation: bounce 2s ease-in-out infinite;
  z-index: 1;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   About Section
   ============================================================ */
.about-mission-vision {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.mv-card {
  background: var(--color-surface);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.mv-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.mv-icon {
  margin-bottom: var(--space-sm);
}

.mv-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.mv-card p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.value-card {
  background: var(--color-surface);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  text-align: center;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.value-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.value-card h4 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.value-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ============================================================
   Services Section
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.service-card {
  background: var(--color-surface);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.08);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.service-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.service-card p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============================================================
   Products Section
   ============================================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.product-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

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

.product-header {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
  min-height: 140px;
}

.product-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(255, 255, 255, 0.25);
  color: white;
  border-radius: 50px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.product-body {
  padding: var(--space-md);
  flex: 1;
}

.product-body h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.product-body p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============================================================
   Technology Section
   ============================================================ */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.tech-card {
  background: var(--color-surface);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  position: relative;
  transition: all var(--transition-base);
  overflow: hidden;
}

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

.tech-number {
  position: absolute;
  top: var(--space-md);
  right: var(--space-lg);
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-bg-alt);
  line-height: 1;
  z-index: 0;
}

.tech-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  position: relative;
  z-index: 1;
}

.tech-card p {
  color: var(--color-text-secondary);
  line-height: 1.7;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  position: relative;
  z-index: 1;
}

.tech-tags span {
  padding: 4px 12px;
  background: rgba(59, 130, 246, 0.08);
  color: var(--color-primary);
  border-radius: 6px;
  font-size: var(--font-size-xs);
  font-weight: 600;
}

/* ============================================================
   News Section
   ============================================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.news-card {
  background: var(--color-surface);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}

.news-category {
  padding: 4px 12px;
  background: rgba(34, 197, 94, 0.1);
  color: var(--color-secondary);
  border-radius: 6px;
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.news-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.news-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.news-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  flex: 1;
}

.news-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.news-source {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  font-weight: 500;
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: gap var(--transition-fast);
}

.news-link:hover {
  gap: 8px;
}

/* ============================================================
   Team Section
   ============================================================ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.team-card {
  background: var(--color-surface);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition-base);
}

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

.team-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-size: 2rem;
  font-weight: 700;
  color: white;
}

.team-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.team-role {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.team-bio {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.team-social {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
}

.team-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: 50%;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

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

/* ============================================================
   Contact Section
   ============================================================ */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-lg);
}

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

.contact-info-card {
  background: var(--color-surface);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  transition: all var(--transition-base);
}

.contact-info-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.contact-info-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
}

.contact-info-card h4 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.contact-info-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.contact-info-card p a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.contact-info-card p a:hover {
  color: var(--color-primary);
}

.contact-form-wrapper {
  background: var(--color-surface);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  transition: all var(--transition-fast);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-surface);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.form-success {
  display: none;
  padding: 12px 18px;
  background: rgba(20, 184, 166, 0.1);
  color: #0D9488;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-align: center;
}

.form-success.show {
  display: block;
  animation: fadeInUp 0.4s ease;
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: #1E293B;
  color: #CBD5E1;
  padding: var(--space-xl) 0 var(--space-md);
}

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

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--space-sm);
}

.footer-brand .logo-text {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: white;
  -webkit-text-fill-color: white;
  display: none;
}

.footer-brand .logo-svg {
  height: 44px;
}

.footer-tagline {
  font-size: var(--font-size-sm);
  color: #94A3B8;
  line-height: 1.7;
  margin-bottom: var(--space-md);
  max-width: 320px;
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  color: #94A3B8;
  transition: all var(--transition-fast);
}

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

.footer-col h5 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-sm);
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: var(--font-size-sm);
  color: #94A3B8;
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--color-primary-light);
}

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

.footer-bottom p {
  font-size: var(--font-size-sm);
  color: #64748B;
}

/* ============================================================
   Scroll Animations
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Responsive Design
   ============================================================ */

/* Tablet (max-width: 1024px) */
@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 2.8rem;
    --font-size-4xl: 2.2rem;
    --space-2xl: 5rem;
  }

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

  .products-grid,
  .team-grid,
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
  }

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

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

  .nav-cta-desktop {
    display: none;
  }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.2rem;
    --font-size-4xl: 1.8rem;
    --font-size-3xl: 1.5rem;
    --space-2xl: 4rem;
    --space-xl: 3rem;
    --space-lg: 2rem;
  }

  .nav-links {
    position: fixed;
    top: var(--navbar-height);
    right: -100%;
    width: 280px;
    height: calc(100vh - var(--navbar-height));
    background: white;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-md);
    gap: 4px;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
    transition: right var(--transition-base);
    overflow-y: auto;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links li a {
    display: block;
    padding: 14px 16px;
    font-size: var(--font-size-base);
    width: 100%;
  }

  .nav-cta-mobile {
    display: block;
    width: 100%;
    margin-top: var(--space-sm);
  }

  .nav-cta-mobile .btn {
    width: 100%;
  }

  .hamburger {
    display: flex;
  }

  .lang-switcher {
    order: 2;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--navbar-height) + var(--space-md));
    padding-bottom: var(--space-xl);
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-base);
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
    margin: 0 auto var(--space-lg);
  }

  .hero-actions .btn {
    width: 100%;
  }

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

  .services-grid,
  .tech-grid,
  .news-grid,
  .products-grid,
  .team-grid,
  .values-grid {
    grid-template-columns: 1fr;
  }

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

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

  .section-header {
    margin-bottom: var(--space-lg);
  }

  .mv-card,
  .tech-card,
  .service-card {
    padding: var(--space-md);
  }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
  :root {
    --font-size-5xl: 1.8rem;
    --font-size-4xl: 1.5rem;
  }

  .container {
    padding: 0 var(--space-sm);
  }

  .hero-badge {
    font-size: var(--font-size-xs);
    padding: 6px 14px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-number {
    font-size: var(--font-size-2xl);
  }

  .lang-switcher .lang-btn {
    padding: 5px 8px;
    font-size: 0.65rem;
  }

  .nav-container {
    padding: 0 var(--space-sm);
  }

  .product-header {
    padding: var(--space-md);
    min-height: 120px;
  }

  .contact-form-wrapper {
    padding: var(--space-md);
  }

  .contact-info-card {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}

/* ============================================================
   Print Styles
   ============================================================ */
@media print {
  .navbar,
  .hero-canvas,
  .hamburger,
  .lang-switcher,
  .nav-cta-desktop {
    display: none !important;
  }

  body {
    color: black;
    background: white;
  }
}