:root {
  --bg-dark: #000000;
  --bg-surface: #111111;
  --text-main: #ffffff;
  --text-muted: #d1d1d6;
  --accent-cold: #2997ff;
  --accent-deep: #0066cc;
  --border-light: rgba(255, 255, 255, 0.1);
  --font-stack: 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-stack);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography Scale (Apple-inspired) */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
h1 { font-size: clamp(3rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
p {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 65ch;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: -0.01em;
}

/* Layout Elements */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

/* Navigation */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  z-index: 100;
}
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}
.brand-logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--text-main);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 0;
  min-height: 40px;
}
.inline-wordmark {
  max-height: 1.2em;
  width: auto;
  display: inline-block;
  vertical-align: middle;
  margin: 0 0.2em;
}
.wordmark-placeholder {
  max-height: 40px;
  width: auto;
  display: block;
  object-fit: contain;
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}
.nav-links a {
  text-decoration: none;
  color: #e5e5ea;
  font-size: 1rem;
  font-weight: 500;
  transition: color 0.3s ease;
}
.nav-links a:hover {
  color: #C5A059;
}
#mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 101;
}
.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px 0;
  background-color: var(--text-main);
  transition: all 0.3s ease;
}

/* Mobile Menu Active State */
#mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
#mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}
#mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero Section */
/*#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
}*/
#hero {
  position: relative;
  display: flex;
  flex-direction: column;
  padding-top: 80px;
}
.hero-fallback-img {
  display: none;
}
.video-placeholder {
  position: relative;
  width: 100%;
  height: calc(100vh - 80px);
  background: var(--bg-dark);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1;
  color: var(--text-muted);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-light);
  overflow: hidden;
}
.hero-bg-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 1;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 2;
  background: rgba(0, 0, 0, 0.5);
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  max-width: 800px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  text-align: center;
  margin: 4rem auto;
}
.hero-content h1 {
  font-size: clamp(1.6rem, 4.5vw, 4.25rem);
  line-height: 1.3;
  padding-top: 0.15em;
  padding-bottom: 0.15em;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #e6f4ff 0%, #A8D8FF 50%, #82c4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 30px rgba(168, 216, 255, 0.3), 0 0 10px rgba(255, 255, 255, 0.1);
  display: block;
  overflow: visible;
}
.frost-text {
  -webkit-text-fill-color: #f0f9ff;
  color: #f0f9ff;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.45), 0 0 20px rgba(186, 230, 253, 0.4), 0 0 30px rgba(125, 211, 252, 0.25);
}
.hero-content p {
  font-size: clamp(0.875rem, 2.5vw, 1.5rem);
  line-height: 1.5;
  padding-block: 0.1em;
  margin-inline: auto;
  color: #e5e5ea;
}
@media (max-width: 768px) {
  .hero-content {
    padding: 2rem 1.25rem;
  }
  .hero-content h1 {
    font-size: clamp(1.5rem, 6.5vw, 2.75rem);
    white-space: normal;
    line-height: 1.35;
  }
  .hero-content p {
    white-space: normal;
  }
}
.accent-blue {
  background: linear-gradient(135deg, #EBF5FF 0%, #A8D8FF 30%, #FFFFFF 50%, #70B8FF 75%, #A8D8FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  display: inline-block;
  text-shadow: 0 0 10px rgba(168, 216, 255, 0.35);
}
.champagne-gold {
  background: linear-gradient(135deg, #FDF0D5 0%, #E6C594 25%, #FFF4D9 45%, #C5A059 70%, #E2C997 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  display: inline-block;
  text-shadow: 0 0 10px rgba(230, 197, 148, 0.3);
}

/* Products Section */
#products {
  padding: 10rem 0;
  background: var(--bg-dark);
  position: relative;
}
.products-header {
  text-align: center;
  margin-bottom: 10rem;
}
.products-header h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #e6f4ff 0%, #A8D8FF 50%, #82c4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 30px rgba(168, 216, 255, 0.3), 0 0 10px rgba(255, 255, 255, 0.1);
  display: inline-block;
}
.products-header p {
  margin: 0 auto;
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  
  /* Brushed champagne gold metallic effect */
  background: linear-gradient(
    135deg,
    #D4B886 0%,
    #F3E1C5 25%,
    #C5A56F 50%,
    #FDF6E3 75%,
    #B39257 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}
.product-item {
  display: flex;
  align-items: center;
  gap: 8rem;
  margin-bottom: 12rem;
  transition: all 0.8s cubic-bezier(0.25, 1, 0.5, 1);
  position: relative;
}
.product-item:last-child {
  margin-bottom: 4rem;
}
.product-item:nth-child(even) {
  flex-direction: row-reverse;
}
.product-image {
  flex: 1.2;
  position: relative;
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}
.product-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
    object-fit: cover;
}
.image-placeholder {
  aspect-ratio: 4/3;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}
.product-info {
  flex: 1;
}
.product-info h3 {
  font-size: clamp(2rem, 3vw, 2.5rem);
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #e6f4ff 0%, #A8D8FF 50%, #82c4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 30px rgba(168, 216, 255, 0.3), 0 0 10px rgba(255, 255, 255, 0.1);
}
.product-info p {
  color: var(--text-muted);
  font-size: 1.125rem;
}

/* Why KP Section */
#why-kp {
  padding: 8rem 0;
  background: #000;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
}
#why-kp h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  font-weight: 600;
}
#why-kp > .container > p.why-subtitle {
  margin: 0 auto 4rem;
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--text-muted);
  max-width: 800px;
  line-height: 1.4;
  letter-spacing: -0.01em;
}
.text-nowrap {
  white-space: nowrap;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
  text-align: left;
}
.feature-card {
  background: radial-gradient(circle at center, #1a1a1c 0%, #111112 100%);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 16px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: center;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
  min-height: 170px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
}
.feature-card:hover {
  transform: translateY(-4px) scale(1.01);
  background: #161618;
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.8), 0 0 40px rgba(255, 255, 255, 0.02);
}
.feature-card:nth-child(1),
.feature-card:nth-child(4) {
  grid-column: span 12;
}
.feature-card:nth-child(2) {
  grid-column: span 6;
  justify-content: flex-start;
  padding: 2rem;
}
.feature-card:nth-child(3) {
  grid-column: span 6;
  justify-content: flex-start;
  padding: 2rem;
}
@media (max-width: 900px) {
  .feature-card:nth-child(2),
  .feature-card:nth-child(3) {
    grid-column: span 12;
  }
}
.feature-card h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
  font-weight: 500;
  background: linear-gradient(135deg, #e6f4ff 0%, #A8D8FF 50%, #82c4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 30px rgba(168, 216, 255, 0.3), 0 0 10px rgba(255, 255, 255, 0.1);
}
.feature-card p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
  letter-spacing: -0.01em;
  max-width: 600px;
  margin: 0 auto;
}

/* Contact Section */
#contact {
  padding: 8rem 0;
}
#contact h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 0.5rem;
  text-align: center;
  background: linear-gradient(135deg, #e6f4ff 0%, #A8D8FF 50%, #82c4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 30px rgba(168, 216, 255, 0.3), 0 0 10px rgba(255, 255, 255, 0.1);
}
#contact p {
  text-align: center;
  color: var(--text-muted);
  margin: 0 auto;
  padding: 0;
}
.contact-form {
  max-width: 600px;
  margin: 4rem auto 0;
  background: var(--bg-surface);
  padding: 3rem;
  border: 1px solid var(--border-light);
  border-radius: 4px;
}
.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
}
.form-group label {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}
.form-group input,
.form-group textarea {
  background: var(--bg-dark);
  border: 1px solid var(--border-light);
  padding: 1rem;
  color: var(--text-main);
  font-family: var(--font-stack);
  font-size: 1rem;
  border-radius: 2px;
  transition: border-color 0.3s ease;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cold);
}
.form-group.has-error input,
.form-group.has-error textarea,
.form-group input.is-invalid,
.form-group textarea.is-invalid {
  border-color: #ff6b6b !important;
  background-color: rgba(255, 107, 107, 0.04);
  box-shadow: 0 0 0 1px #ff6b6b, 0 0 12px rgba(255, 107, 107, 0.2);
  animation: shakeError 0.35s ease-in-out;
}
.error-message {
  display: none;
  color: #ff6b6b;
  font-size: 0.825rem;
  margin-top: 0.4rem;
  font-weight: 500;
  line-height: 1.3;
}
.error-message.active {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  animation: fadeInError 0.2s ease-out;
}
.error-message.active::before {
  content: '⚠';
  font-size: 0.85rem;
  display: inline-block;
}
@keyframes shakeError {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-4px); }
  40%, 80% { transform: translateX(4px); }
}
@keyframes fadeInError {
  from { opacity: 0; transform: translateY(-3px); }
  to { opacity: 1; transform: translateY(0); }
}
.btn-submit {
  width: 100%;
  padding: 1rem;
  background: var(--text-main);
  color: var(--bg-dark);
  border: none;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  margin-top: 1rem;
  border-radius: 2px;
  transition: background 0.3s ease;
}
.btn-submit:hover {
  background: var(--accent-cold);
}
.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Footer */
footer {
  background: var(--bg-surface);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border-light);
}
.footer-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3.5rem;
  align-items: start;
}
.footer-col {
  display: flex;
  flex-direction: column;
}
.footer-col:nth-child(1) {
  text-align: left;
  align-items: flex-start;
  justify-self: start;
}
.footer-col:nth-child(2) {
  text-align: left;
  align-items: flex-start;
  justify-self: center;
}
.footer-col:nth-child(3) {
  text-align: left;
  align-items: flex-start;
  justify-self: end;
}
@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2.5rem;
  }
  .footer-col:nth-child(1),
  .footer-col:nth-child(2),
  .footer-col:nth-child(3) {
    text-align: center;
    align-items: center;
    justify-self: center;
  }
  .footer-col .footer-brand {
    justify-content: center;
  }
  .social-links {
    justify-content: center;
    flex-wrap: wrap;
  }
}
.footer-col p {
  font-size: 0.975rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
  margin-bottom: 1.5rem;
}
.social-links {
  display: flex;
  gap: 1rem;
  align-items: center;
}
.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-surface);
  color: var(--text-muted);
  border: 1px solid var(--border-light);
  transition: all 0.2s ease-in-out;
}
.social-links a:hover {
  color: #82c4ff;
  border-color: #82c4ff;
  background-color: rgba(130, 196, 255, 0.1);
  transform: translateY(-2px);
}
.footer-col h5 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  height: 32px;
  line-height: 32px;
  background: linear-gradient(135deg, #e6f4ff 0%, #A8D8FF 50%, #82c4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 30px rgba(168, 216, 255, 0.3), 0 0 10px rgba(255, 255, 255, 0.1);
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col li {
  margin-bottom: 0.6rem;
  font-size: 0.975rem;
  line-height: 1.45;
}
.footer-col li:last-child {
  margin-bottom: 0;
}
.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}
.footer-col .footer-brand {
  margin-bottom: 1.25rem;
  color: var(--text-main);
  padding: 0;
  height: 32px;
  min-height: 32px;
  display: flex;
  align-items: center;
}
.footer-col .footer-brand:hover {
  color: var(--text-main);
}
.footer-col a:hover {
  color: var(--accent-cold);
}
.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid var(--border-light);
}
.footer-bottom p {
  color: var(--text-muted);
  font-size: clamp(0.875rem, 2vw, 0.95rem);
  margin: 0 auto;
  text-align: center;
  letter-spacing: 0.02em;
}

/* Responsive Overrides */
@media (max-width: 768px) {
  .product-item, .product-item:nth-child(even) {
    flex-direction: column;
    gap: 3rem;
    margin-bottom: 6rem;
  }
  .hero-content {
    padding: 2rem;
    margin: 0 auto;
    width: calc(100% - 2rem);
  }
  
  #mobile-menu-toggle {
    display: block;
  }
  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(10, 14, 23, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    transform: translateY(-100%);
    transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
    z-index: 99;
  }
  .nav-links.active {
    transform: translateY(0);
  }
  .nav-links a {
    font-size: 1.5rem;
  }
}

/* Contact List Styles */
.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}
.footer-col:nth-child(3) .contact-list li {
  justify-content: flex-start;
  text-align: left;
  flex-direction: row;
}
@media (max-width: 768px) {
  .footer-col:nth-child(3) .contact-list li {
    justify-content: center;
    flex-direction: row;
    text-align: left;
  }
}
.contact-list svg {
  flex-shrink: 0;
  margin-top: 0.15rem;
  color: var(--accent-cold);
}
.phone-numbers {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

/* Toast Notification Styles */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 420px;
  width: calc(100vw - 2rem);
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem 1.25rem;
  background: rgba(18, 24, 33, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(168, 216, 255, 0.25);
  border-left: 4px solid var(--accent-cold);
  border-radius: 6px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 15px rgba(168, 216, 255, 0.15);
  color: var(--text-main);
  opacity: 0;
  transform: translateY(20px) scale(0.96);
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.toast-show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.toast.toast-hide {
  opacity: 0;
  transform: translateY(-10px) scale(0.96);
}

.toast-icon {
  flex-shrink: 0;
  color: var(--accent-cold);
  margin-top: 0.1rem;
}

.toast-body {
  flex: 1;
}

.toast-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #EBF5FF;
  margin: 0 0 0.25rem 0;
  letter-spacing: 0.01em;
}

.toast-message {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.4;
}

.toast-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 0.2rem;
  transition: color 0.2s ease;
  margin-left: 0.5rem;
}

.toast-close:hover {
  color: var(--text-main);
}

@media (max-width: 576px) {
  .toast-container {
    bottom: 1.25rem;
    right: 1rem;
    left: 1rem;
    width: auto;
  }
}