/* css/style.css */

:root {
  --color-background: 255 255 255; /* #FFFFFF */
  --color-foreground: 0 0 0;       /* #000000 */
  --color-primary: 160 130 92;     /* Gold #A0825C */
  --color-primary-dark: 142 115 80; /* Dark Gold #8e7350 */
  --color-border: 0 0 0;           /* Black borders for corporate style */
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  background-color: #000000;
}

body {
  background-color: rgb(var(--color-background) / 1);
  color: rgb(var(--color-foreground) / 1);
  font-family: 'Outfit', 'Inter', sans-serif;
  letter-spacing: -0.01em;
  transition: background-color 0.4s ease, color 0.4s ease;
}

#footer-placeholder {
  background-color: #000000;
  width: 100%;
  margin-top: auto;
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

main {
  opacity: 0;
  animation: pageFadeIn 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* GPU Hardware Acceleration & Ultra-Smooth Performance */
*, ::before, ::after {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, canvas, svg {
  content-visibility: auto;
}

/* Smooth Scroll Reveal Animations with GPU hardware compositing */
.fade-in,
.reveal-left,
.reveal-right,
.reveal-scale {
  will-change: opacity, transform;
  backface-visibility: hidden;
  transform: translateZ(0);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in {
  opacity: 0;
  transform: translate3d(0, 18px, 0);
}
.fade-in.visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(32px);
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.93);
}
.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Smooth Tab Panel Transitions */
.tab-panel {
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.animate-fade-in {
  animation: ultraSmoothFadeIn 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes ultraSmoothFadeIn {
  0% {
    opacity: 0;
    transform: translateY(12px) scale(0.985);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Slow spin for decorative globe elements */
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.animate-spin-slow {
  animation: spin-slow 30s linear infinite;
}

/* Custom Scrollbars */
.custom-dropdown-scroll::-webkit-scrollbar {
  width: 4px;
}
.custom-dropdown-scroll::-webkit-scrollbar-track {
  background: transparent;
}
.custom-dropdown-scroll::-webkit-scrollbar-thumb {
  background: rgba(160, 130, 92, 0.25);
  border-radius: 4px;
}
.custom-dropdown-scroll::-webkit-scrollbar-thumb:hover {
  background: rgba(160, 130, 92, 0.5);
}

.custom-scrollbar::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
.custom-scrollbar::-webkit-scrollbar-track {
  background: transparent;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
  background: rgba(160, 130, 92, 0.2);
  border-radius: 4px;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background: rgba(160, 130, 92, 1);
}

/* Custom Animations */
@keyframes scan {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 0 100%;
  }
}

.animate-scan {
  animation: scan 6s linear infinite;
}

.grid-dot {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background-color: #A0825C; /* Brand gold */
  will-change: transform, opacity, background-color;
}

/* Corporate Buttons */
.btn-corporate-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #A0825C;
  color: #ffffff;
  font-weight: 600;
  border-radius: 0.75rem;
  padding: 0.75rem 1.5rem;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}
.btn-corporate-primary:hover {
  background-color: #8e7350;
  transform: translateY(-1px);
}

.btn-corporate-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #ffffff;
  color: #000000;
  font-weight: 600;
  border-radius: 0.75rem;
  padding: 0.75rem 1.5rem;
  transition: all 0.25s ease;
  border: 1px solid #000000;
}
.btn-corporate-secondary:hover {
  background-color: #000000;
  color: #ffffff;
  transform: translateY(-1px);
}

/* 3D Button Animations in Gold/Black/White */
.button-3d {
  position: relative;
  z-index: 1;
  background: none;
  color: #000000;
  border-radius: 0.5rem;
  font-weight: 600;
  padding: 1rem 2rem;
  border: none;
  border-bottom: 4px solid #A0825C;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: all 0.15s ease-out;
  transform: translateY(0);
  overflow: visible;
}

.button-3d::before {
  content: '';
  position: absolute;
  z-index: -1;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  background: linear-gradient(135deg, #A0825C 0%, #8e7350 100%);
  filter: blur(15px);
  border-radius: 0.5rem;
  opacity: 0;
  transition: opacity 0.15s ease-out;
}

.button-3d:hover {
  background: linear-gradient(135deg, #b0916b 0%, #8e7350 100%);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
  border-bottom-width: 4px;
}

.button-3d:hover::before {
  opacity: 0.75;
}

.button-3d:active {
  transform: translateY(2px);
  border-bottom-width: 2px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.button-3d:active::before {
  opacity: 0.25;
}

.button-3d span {
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
}

.button-3d svg {
  color: inherit;
}

/* Infinite clientele scroll */
@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.carousel-container {
  width: 100%;
  overflow: hidden;
  position: relative;
  background: transparent;
  -webkit-mask-image: linear-gradient(
    to right,
    transparent,
    black 20%,
    black 80%,
    transparent
  );
  mask-image: linear-gradient(
    to right,
    transparent,
    black 20%,
    black 80%,
    transparent
  );
}

.carousel-track {
  display: flex;
  width: max-content;
  gap: 2rem;
  animation: marquee 40s linear infinite;
}

.client-card {
  flex-shrink: 0;
  width: 12rem;
  height: 6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border-radius: 0.5rem;
}

.client-logo {
  max-height: 3.5rem;
  object-fit: contain;
  filter: grayscale(1) contrast(0.5) brightness(1.2);
  opacity: 0.6;
  transition: all 0.35s ease;
}
.client-card:hover .client-logo {
  filter: none;
  opacity: 1;
}

/* Siri Glow Effect for Solution Stack */
@keyframes siriGlow {
  0% { filter: hue-rotate(0deg) saturate(1.2); }
  50% { filter: hue-rotate(180deg) saturate(1.5); }
  100% { filter: hue-rotate(360deg) saturate(1.2); }
}
.animate-siri-glow {
  animation: siriGlow 8s linear infinite;
}
.perspective-1000 {
  perspective: 1000px;
}

/* General Transition classes */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Premium Re-design Utilities */
.text-gradient-gold-dark {
  background: linear-gradient(135deg, #000000 30%, #A0825C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-gold-light {
  background: linear-gradient(135deg, #FFFFFF 40%, #A0825C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glow-backdrop {
  position: absolute;
  width: 30rem;
  height: 30rem;
  background: radial-gradient(circle, rgba(160, 130, 92, 0.06) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.glow-backdrop-dark {
  position: absolute;
  width: 30rem;
  height: 30rem;
  background: radial-gradient(circle, rgba(160, 130, 92, 0.12) 0%, transparent 70%);
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}

.premium-card-light {
  background-color: #ffffff;
  border: 1px solid #e4e4e7; /* zinc-200 */
  border-radius: 24px;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.premium-card-light:hover {
  border-color: #000000;
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
}

.premium-card-dark {
  background-color: #09090b; /* zinc-950 */
  border: 1px solid #27272a; /* zinc-800 */
  border-radius: 24px;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.premium-card-dark:hover {
  border-color: #A0825C;
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(160, 130, 92, 0.12);
}

/* Scroll-triggered reveal animations */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

@keyframes float-slow {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(1deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}
.animate-float {
  animation: float-slow 6s ease-in-out infinite;
}

/* Smooth active grid switch transition */
@keyframes gridFadeIn {
  from {
    opacity: 0.3;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#services-grid, #home-solutions-grid, #events-page-content, #board-members-grid, #active-product-details {
  animation: gridFadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ── Scroll-triggered card reveal ─────────────────────────────────────────── */
.scroll-reveal {
  opacity: 0;
  translate: 0 28px;          /* individual transform — won't conflict with hover's transform */
  will-change: translate, opacity; /* promote to GPU layer before animation */
  transition:
    opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
    translate 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.in-view {
  opacity: 1;
  translate: 0 0;
}

/* ── Scroll-triggered section reveal (headings, tabs, CTA) ────────────────── */
.section-reveal {
  opacity: 0;
  translate: 0 20px;
  will-change: translate, opacity;
  transition:
    opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
    translate 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.section-reveal.in-view {
  opacity: 1;
  translate: 0 0;
}

/* ── Hero entrance animations ──────────────────────────────────────────────── */
.hero-entrance {
  opacity: 0;
  translate: 0 30px;
  will-change: translate, opacity;
  transition:
    opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
    translate 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-entrance.hero-visible {
  opacity: 1;
  translate: 0 0;
}

/* ── Products: Sticky Horizontal Scroll Section ───────────────────────────── */
.products-scroll-outer {
  position: relative;
}

.products-scroll-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.products-scroll-track {
  display: flex;
  gap: 1.5rem;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
  padding: 2rem 0;
}

/* Product detail cards */
.product-detail-card {
  flex-shrink: 0;
  width: 380px;
  min-height: 420px;
  background: #ffffff;
  border: 1px solid #e4e4e7;
  border-radius: 24px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

@media (min-width: 640px) {
  .product-detail-card {
    width: 440px;
  }
}

@media (min-width: 768px) {
  .product-detail-card {
    width: 520px;
    padding: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .product-detail-card {
    width: 580px;
  }
}

.product-detail-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #A0825C, #d4b896, #A0825C);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.product-detail-card:hover {
  border-color: #A0825C;
  box-shadow: 0 20px 60px rgba(160, 130, 92, 0.08), 0 4px 16px rgba(0, 0, 0, 0.04);
  transform: translateY(-4px);
}

.product-detail-card:hover::before {
  opacity: 1;
}

.product-detail-card.card-active {
  border-color: #000000;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

/* Card entrance animation for scroll-driven reveal */
.product-detail-card.card-entering {
  opacity: 0;
  transform: translateX(80px) scale(0.95);
}

.product-detail-card.card-visible {
  opacity: 1;
  transform: translateX(0) scale(1);
}

/* Product card header accent */
.product-card-accent {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  background: rgba(160, 130, 92, 0.06);
  border: 1px solid rgba(160, 130, 92, 0.15);
  border-radius: 999px;
  font-size: 0.625rem;
  font-weight: 700;
  color: #A0825C;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

/* Progress bar for horizontal scroll */
.products-progress-container {
  width: 100%;
  max-width: 300px;
  height: 3px;
  background: #e4e4e7;
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}

.products-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #A0825C, #000000);
  border-radius: 999px;
  transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  width: 0%;
}

/* Product nav dots */
.product-nav-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d4d4d8;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.product-nav-dot:hover {
  background: #A0825C;
  transform: scale(1.3);
}

.product-nav-dot.active {
  background: #000000;
  width: 24px;
  border-radius: 999px;
}

/* Comparison table styling */
.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid #f4f4f5;
}

.comparison-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.comparison-cell {
  padding: 0.75rem;
  border-radius: 12px;
  font-size: 0.6875rem;
  line-height: 1.6;
}

.comparison-cell-conventional {
  background: #fafafa;
  border: 1px solid #e4e4e7;
  color: #71717a;
}

.comparison-cell-panchi {
  background: rgba(160, 130, 92, 0.04);
  border: 1px solid rgba(160, 130, 92, 0.15);
  color: #3f3f46;
}

/* Timeline dot animation */
@keyframes timelinePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(160, 130, 92, 0.3); }
  50% { box-shadow: 0 0 0 6px rgba(160, 130, 92, 0); }
}

.timeline-dot-active {
  animation: timelinePulse 2s ease-in-out infinite;
}

/* Feature check icon */
.feature-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(160, 130, 92, 0.08);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Product quick nav strip */
.product-quick-nav {
  display: flex;
  gap: 0.5rem;
  padding: 0.5rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid #e4e4e7;
  border-radius: 999px;
}

.product-quick-nav-item {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 600;
  color: #71717a;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.product-quick-nav-item:hover {
  color: #000000;
  background: #f4f4f5;
}

.product-quick-nav-item.active {
  color: #ffffff;
  background: #000000;
}

/* Use case tag */
.use-case-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.85rem;
  background: #fafafa;
  border: 1px solid #e4e4e7;
  border-radius: 12px;
  font-size: 0.6875rem;
  font-weight: 600;
  color: #3f3f46;
  transition: all 0.25s ease;
}

.use-case-tag:hover {
  border-color: #A0825C;
  background: rgba(160, 130, 92, 0.04);
}

/* Tech badge */
.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.85rem;
  background: rgba(160, 130, 92, 0.04);
  border: 1px solid rgba(160, 130, 92, 0.15);
  border-radius: 12px;
  font-size: 0.6875rem;
  font-weight: 700;
  color: #000000;
  transition: all 0.25s ease;
}

.tech-badge:hover {
  background: rgba(160, 130, 92, 0.1);
  transform: translateY(-1px);
}

/* Card number badge */
.card-number-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: #000000;
  color: #ffffff;
  font-size: 0.6875rem;
  font-weight: 800;
  flex-shrink: 0;
}

/* Mobile horizontal scroll hint */
@media (max-width: 767px) {
  .products-scroll-outer {
    height: auto !important;
  }

  .products-scroll-sticky {
    position: relative;
    height: auto;
  }

  .products-scroll-track {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 1rem 0 1.5rem;
  }

  .product-detail-card {
    scroll-snap-align: start;
    min-height: 360px;
  }
}