/* ========================================
   gyanti-industries — Website Styles
   Business Standard CSS
   ======================================== */

:root {
  --primary: #0f2b4c;
  --primary-light: #1a4175;
  --primary-dark: #091d33;
  --accent: #b8952e;
  --accent-light: #d4af37;
  --accent-hover: #a07e1f;
  --dark: #0a1628;
  --dark-soft: #162032;
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50: #f9fafb;
  --white: #ffffff;
  --bg-light: #f8fafc;
  --success: #059669;
  --error: #dc2626;

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 6px 12px -2px rgba(0, 0, 0, 0.08), 0 3px 7px -3px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.08), 0 4px 10px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 40px -5px rgba(0, 0, 0, 0.1), 0 8px 16px -6px rgba(0, 0, 0, 0.05);

  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Base & Reset
   ======================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-600);
  line-height: 1.65;
  background: var(--white);
  overflow-x: hidden;
  font-size: 16px;
}

::selection {
  background: var(--accent);
  color: var(--white);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

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

a {
  color: inherit;
  transition: var(--transition);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', Georgia, serif;
  color: var(--dark);
  line-height: 1.25;
  font-weight: 700;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.highlight {
  color: var(--accent);
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.01em;
  line-height: 1.4;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(184, 149, 46, 0.3);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(184, 149, 46, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(184, 149, 46, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-1px);
}

.btn-small {
  padding: 9px 22px;
  font-size: 0.82rem;
  background: var(--accent);
  color: var(--white);
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
}

.btn-small:hover {
  background: var(--accent-hover);
}

.btn-full {
  width: 100%;
  justify-content: center;
  padding: 15px 32px;
  font-size: 0.95rem;
}

.btn-full:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none;
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 14px 0;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(10, 22, 40, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 8px 0;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05), 0 4px 20px rgba(0, 0, 0, 0.25);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--white);
}

.logo:hover {
  opacity: 0.9;
}

.logo-img {
  height: 44px;
  width: auto;
  max-width: min(120px, 28vw);
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.logo-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--white);
}

.logo-tagline {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  opacity: 0.85;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.nav-links a.active {
  color: var(--accent-light);
  background: rgba(184, 149, 46, 0.1);
}

.nav-cta {
  padding: 9px 22px;
  background: var(--accent);
  color: var(--white) !important;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.88rem;
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(184, 149, 46, 0.3);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

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

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

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

/* ========================================
   Hero Section
   ======================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, var(--dark) 0%, var(--primary) 50%, var(--primary-dark) 100%);
  overflow: hidden;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(184, 149, 46, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(26, 65, 117, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 60% 80%, rgba(184, 149, 46, 0.04) 0%, transparent 50%);
}

.hero-bg-pattern::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23b8952e' fill-opacity='0.025'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 130px 0 90px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  background: rgba(184, 149, 46, 0.12);
  border: 1px solid rgba(184, 149, 46, 0.25);
  border-radius: 4px;
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 28px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  color: var(--white);
  margin-bottom: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: rgba(255, 255, 255, 0.65);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  max-width: 600px;
  margin: 0 auto;
}

.stat {
  text-align: center;
}

.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1;
}

.stat-suffix {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  color: var(--accent-light);
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 6px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ========================================
   Section Common
   ======================================== */

section {
  padding: 96px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(184, 149, 46, 0.08);
  color: var(--accent);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 14px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ========================================
   About Section
   ======================================== */

.about {
  background: var(--gray-50);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: start;
}

.about-text {
  font-size: 1rem;
  margin-bottom: 18px;
  color: var(--gray-600);
  line-height: 1.75;
}

.about-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 28px;
}

.detail-item {
  display: flex;
  align-items: start;
  gap: 12px;
  padding: 16px;
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.detail-item:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-sm);
}

.detail-item i {
  font-size: 1.1rem;
  color: var(--accent);
  margin-top: 2px;
  flex-shrink: 0;
}

.detail-item strong {
  display: block;
  font-size: 0.78rem;
  color: var(--gray-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.detail-item span {
  font-weight: 600;
  color: var(--dark);
  font-size: 0.9rem;
}

.about-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.visual-card {
  padding: 28px 20px;
  background: var(--white);
  border-radius: var(--radius);
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.visual-card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.visual-card.accent {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

.visual-card.accent h3,
.visual-card.accent p {
  color: var(--white);
}

.visual-card.accent .visual-icon {
  background: rgba(255, 255, 255, 0.12);
  color: var(--accent-light);
}

.visual-icon {
  width: 56px;
  height: 56px;
  background: rgba(184, 149, 46, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-size: 1.3rem;
  color: var(--accent);
}

.visual-card h3 {
  font-size: 1.2rem;
  margin-bottom: 4px;
}

.visual-card p {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* ========================================
   Products Section
   ======================================== */

.product-categories {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.category-btn {
  padding: 9px 24px;
  border: 1.5px solid var(--gray-300);
  border-radius: 6px;
  background: transparent;
  color: var(--gray-600);
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.category-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.category-btn.active {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--gray-200);
}

.product-card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.product-card.hidden {
  display: none;
}

.product-image {
  position: relative;
  height: 240px;
  background: var(--gray-50);
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 40, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

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

.product-info {
  padding: 18px 20px;
}

.product-tag {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(184, 149, 46, 0.08);
  color: var(--accent);
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.product-info h3 {
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
  color: var(--dark);
}

.product-info p {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ========================================
   Why Choose Us
   ======================================== */

.why-us {
  background: var(--primary);
  position: relative;
  overflow: hidden;
}

.why-us::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(0, 0, 0, 0.15) 0%, transparent 60%);
}

.why-us .container {
  position: relative;
  z-index: 1;
}

.why-us .section-tag {
  background: rgba(184, 149, 46, 0.15);
  color: var(--accent-light);
}

.why-us .section-header h2 {
  color: var(--white);
}

.why-us .section-desc {
  color: rgba(255, 255, 255, 0.55);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.feature-card {
  padding: 32px 26px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  transition: var(--transition);
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(184, 149, 46, 0.25);
  transform: translateY(-2px);
}

.feature-icon {
  width: 50px;
  height: 50px;
  background: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: 18px;
}

.feature-card h3 {
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ========================================
   Contact Section
   ======================================== */

.contact {
  background: var(--gray-50);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
  align-items: start;
}

.contact-card {
  display: flex;
  align-items: start;
  gap: 14px;
  padding: 18px;
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200);
  margin-bottom: 12px;
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-sm);
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  color: var(--white);
  flex-shrink: 0;
}

.contact-card h4 {
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-card p {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.5;
}

.contact-card a {
  color: var(--gray-700);
  text-decoration: none;
  transition: var(--transition);
}

.contact-card a:hover {
  color: var(--accent);
}

.contact-map {
  margin-top: 8px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

.contact-form {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  color: var(--dark);
  transition: var(--transition);
  background: var(--white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
  border-color: var(--gray-300);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(184, 149, 46, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}

/* ========================================
   Footer
   ======================================== */

.footer {
  background: var(--dark);
  padding: 56px 0 0;
  color: rgba(255, 255, 255, 0.6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-logo {
  margin-bottom: 14px;
}

.footer-logo .logo-img {
  height: 38px;
  max-width: 100px;
}

.footer-logo .logo-name {
  font-size: 1.15rem;
}

.footer-logo .logo-tagline {
  font-size: 0.62rem;
}

.footer-about p {
  font-size: 0.88rem;
  line-height: 1.75;
  margin-top: 14px;
}

.footer h4 {
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer ul {
  list-style: none;
}

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

.footer ul a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  font-size: 0.88rem;
  transition: var(--transition);
}

.footer ul a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}

.footer-contact p {
  font-size: 0.88rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-contact i {
  color: var(--accent);
  width: 16px;
  flex-shrink: 0;
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: var(--transition);
}

.footer-contact a:hover {
  color: var(--accent-light);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
  transform: translateY(-1px);
}

/* ========================================
   Back to Top
   ======================================== */

.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--primary);
  color: var(--white);
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: var(--transition);
  z-index: 999;
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent);
  color: var(--white);
  transform: translateY(-2px);
}

/* ========================================
   WhatsApp Float
   ======================================== */

.whatsapp-float {
  position: fixed;
  bottom: 28px;
  left: 28px;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: #25D366;
  color: var(--white);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  z-index: 999;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}

/* ========================================
   Animations
   ======================================== */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   Form Success Toast
   ======================================== */

.toast {
  position: fixed;
  top: 90px;
  right: 24px;
  padding: 14px 24px;
  background: var(--dark);
  color: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-xl);
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 10000;
  transform: translateX(120%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 3px solid var(--accent);
  max-width: 360px;
}

.toast.show {
  transform: translateX(0);
}

.toast i {
  color: var(--accent-light);
  flex-shrink: 0;
}

/* ========================================
   Focus & Accessibility
   ======================================== */

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.nav-links a:focus-visible,
.nav-cta:focus-visible {
  outline-color: var(--accent-light);
}

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

@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-visual {
    grid-template-columns: repeat(4, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    z-index: 998;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.2rem;
    padding: 14px 28px;
  }

  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
    z-index: 999;
  }

  .hero-content {
    padding: 110px 0 60px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-stats {
    gap: 28px;
    padding-top: 32px;
  }

  .stat-number {
    font-size: 1.9rem;
  }

  section {
    padding: 64px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

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

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

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 0.9rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-stats {
    gap: 20px;
  }

  .contact-form {
    padding: 22px;
  }

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

  .toast {
    left: 16px;
    right: 16px;
    max-width: none;
  }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
  .navbar,
  .back-to-top,
  .whatsapp-float,
  .hero-bg-pattern,
  .footer-social {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .hero {
    min-height: auto;
    background: none;
    color: #000;
  }

  .hero h1,
  .hero-subtitle,
  .hero-badge {
    color: #000;
  }

  section {
    padding: 32px 0;
    break-inside: avoid;
  }
}