/* ============================================
   LABHAK EXPORTS — Premium Diamond Website
   Light diamond color theme — luxurious & refined
   ============================================ */

/* --- Custom Properties --- */
:root {
  --bg-primary: #faf9f7;
  --bg-secondary: #f3f1ed;
  --bg-card: rgba(255, 255, 255, 0.65);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --text-primary: #1a1a2e;
  --text-secondary: rgba(26, 26, 46, 0.55);
  --text-tertiary: rgba(26, 26, 46, 0.3);
  --accent: #8ba4b8;
  --accent-deep: #4A4643;
  --accent-bright: #a8c4d8;
  --accent-glow: rgba(139, 164, 184, 0.12);
  --accent-glow-strong: rgba(139, 164, 184, 0.25);
  --diamond-ice: #d4e4f0;
  --diamond-frost: #eaf2f8;
  --diamond-sparkle: #b8d0e4;
  --border: rgba(26, 26, 46, 0.07);
  --border-hover: rgba(26, 26, 46, 0.14);
  --glass-bg: rgba(255, 255, 255, 0.5);
  --glass-border: rgba(255, 255, 255, 0.6);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 40px rgba(139, 164, 184, 0.15);
  --font-display: sans-serif;
  --font-body: sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --nav-height: 72px;
}

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

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

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

a {
  color: var(--accent-deep);
  text-decoration: none;
  transition: color 0.3s var(--ease-out);
}

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

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

/* --- Container --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* --- Section Base --- */
.section {
  padding: 120px 0;
  position: relative;
}

.section-dark {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--accent-deep);
}

/* --- Diamond Divider --- */
.diamond-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}

.diamond-divider::before,
.diamond-divider::after {
  content: '';
  width: 40px;
  height: 1px;
}

.diamond-divider::before {
  background: linear-gradient(90deg, transparent, var(--accent-glow-strong));
}

.diamond-divider::after {
  background: linear-gradient(90deg, var(--accent-glow-strong), transparent);
}

/* --- Navigation --- */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

#navbar.scrolled {
  background: rgba(250, 249, 247, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border), var(--shadow-sm);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  font-weight: 400;
  font-size: 15px;
  letter-spacing: 0.04em;
}

.nav-logo:hover {
  color: var(--text-primary);
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  transition: transform 0.4s var(--ease-spring), filter 0.4s var(--ease-out);
}

.nav-logo:hover .nav-logo-icon {
  transform: scale(1.1);
  filter: drop-shadow(0 0 8px rgba(90, 122, 148, 0.25));
}

.nav-diamond {
  width: 10px;
  height: 10px;
  background: var(--accent-deep);
  transform: rotate(45deg);
  flex-shrink: 0;
  transition: transform 0.4s var(--ease-spring), box-shadow 0.4s var(--ease-out);
}

.nav-logo:hover .nav-diamond {
  transform: rotate(45deg) scale(1.3);
  box-shadow: 0 0 12px var(--accent-glow-strong);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 40px;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative;
  padding: 4px 0;
  transition: color 0.3s var(--ease-out);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 4px;
  height: 4px;
  background: var(--accent-deep);
  transform: rotate(45deg) translateX(-50%) scale(0);
  transition: transform 0.3s var(--ease-spring);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  transform: rotate(45deg) translateX(-50%) scale(1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* --- Hero Section --- */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(170deg, #f0f4f8 0%, #faf9f7 40%, #f5f0eb 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('./assets/Picture2.png');
  background-size: cover;      /* Fit to screen */
  background-position: center; /* Center image */
  background-repeat: no-repeat;/* No repeat */
  opacity: 0.5;
  /* background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(139, 164, 184, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 70% 60%, rgba(184, 208, 228, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 20% 30%, rgba(212, 228, 240, 0.1) 0%, transparent 50%); */
}

/* --- Hero Particles --- */
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--accent);
  transform: rotate(45deg);
  opacity: 0;
  animation: particleFloat 8s var(--ease-in-out) infinite;
}

@keyframes particleFloat {
  0% { opacity: 0; transform: rotate(45deg) translateY(0) scale(0.5); }
  15% { opacity: 0.4; }
  85% { opacity: 0.4; }
  100% { opacity: 0; transform: rotate(45deg) translateY(-200px) scale(0.2); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}

/* --- Diamond Shape --- */
.diamond-container {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto 48px;
  perspective: 800px;
}

.diamond-shape {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  animation: diamondRotate 20s linear infinite;
}

@keyframes diamondRotate {
  from { transform: rotateY(0deg); }
  to { transform: rotateY(360deg); }
}

.diamond-face {
  position: absolute;
  inset: 0;
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.diamond-front {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.92) 0%,
    rgba(212, 228, 240, 0.6) 25%,
    rgba(184, 208, 228, 0.4) 50%,
    rgba(232, 242, 250, 0.7) 75%,
    rgba(255, 255, 255, 0.85) 100%
  );
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  backface-visibility: hidden;
  box-shadow: inset 0 0 30px rgba(255, 255, 255, 0.3);
}

.diamond-back {
  background: linear-gradient(
    315deg,
    rgba(212, 228, 240, 0.5) 0%,
    rgba(184, 208, 228, 0.3) 50%,
    rgba(232, 242, 250, 0.6) 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.4);
  transform: rotateY(180deg);
  backface-visibility: hidden;
}

.diamond-shine {
  position: absolute;
  inset: 0;
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(255, 255, 255, 0.5) 45%,
    rgba(255, 255, 255, 0.8) 50%,
    rgba(255, 255, 255, 0.5) 55%,
    transparent 70%
  );
  animation: diamondShine 4s var(--ease-in-out) infinite;
}

@keyframes diamondShine {
  0%, 100% { opacity: 0; transform: translateX(-120%); }
  30%, 70% { opacity: 1; transform: translateX(120%); }
}

.diamond-glow {
  position: absolute;
  inset: -25%;
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  background: radial-gradient(
    ellipse at center,
    rgba(184, 208, 228, 0.18) 0%,
    transparent 70%
  );
  animation: diamondGlow 3s var(--ease-in-out) infinite alternate;
}

@keyframes diamondGlow {
  0% { opacity: 0.5; }
  100% { opacity: 1; }
}

.diamond-facets {
  position: absolute;
  inset: 0;
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.facet {
  position: absolute;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), transparent);
}

.facet-1 {
  top: 0; left: 50%; width: 50%; height: 50%;
  clip-path: polygon(0 0, 100% 100%, 0 100%);
}

.facet-2 {
  top: 0; left: 0; width: 50%; height: 50%;
  clip-path: polygon(100% 0, 0 100%, 100% 100%);
  background: linear-gradient(225deg, rgba(255, 255, 255, 0.1), transparent);
}

.facet-3 {
  bottom: 0; left: 50%; width: 50%; height: 50%;
  clip-path: polygon(0 0, 100% 0, 0 100%);
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.08), transparent);
}

.facet-4 {
  bottom: 0; left: 0; width: 50%; height: 50%;
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  background: linear-gradient(315deg, rgba(255, 255, 255, 0.12), transparent);
}

/* --- Hero Text --- */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 200;
  letter-spacing: 0.08em;
  line-height: 1.1;
  margin-bottom: 20px;
  color: var(--accent-deep);
}

.hero-tagline {
  font-size: clamp(0.85rem, 2vw, 1.1rem);
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--accent-deep);
  margin-bottom: 48px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: var(--accent-deep);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: all 0.4s var(--ease-out);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.2) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease-out);
}

.btn-primary:hover::before {
  transform: translateX(100%);
}

.btn-primary:hover {
  background: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(26, 26, 46, 0.15);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: transparent;
  color: var(--accent-deep);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--accent-deep);
  border-radius: 0;
  cursor: pointer;
  transition: all 0.4s var(--ease-out);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.btn-outline:hover {
  /* background: rgba(90, 122, 148, 0.06); */
  color: var(--accent-deep);
  border-color: var(--accent-deep);
  transform: translateY(-2px);
}

/* --- Scroll Indicator --- */
.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-tertiary);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-glow-strong), transparent);
  animation: scrollPulse 2s var(--ease-in-out) infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 80px;
  align-items: start;
}

.about-text p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-weight: 300;
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding-left: 40px;
  border-left: 1px solid var(--border);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 200;
  color: var(--accent-deep);
  line-height: 1;
}

.stat-suffix {
  font-size: 1.5rem;
  font-weight: 200;
  color: var(--accent-deep);
}

.stat-label {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-top: 8px;
}

/* --- Products Section --- */
.product-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.product-showcase-image {
  position: relative;
  /* min-height: 700px; */
  height: 250px;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 8px
}

.product-showcase-img {
  width: 33%;
  height: 100%;
  object-fit: cover;
  /* transition: transform 0.8s var(--ease-out); */
}

/* .product-showcase:hover .product-showcase-img {
  transform: scale(1.03);
} */

/* .product-showcase-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(26, 26, 46, 0) 0%,
    rgba(26, 26, 46, 0.03) 60%,
    rgba(26, 26, 46, 0.1) 100%
  );
  pointer-events: none;
} */

.product-showcase-content {
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow-y: auto;
  max-height: none;
}

.product-showcase-intro {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
  font-weight: 300;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.product-showcase-section {
  margin-bottom: 32px;
}

.product-showcase-section:last-of-type {
  margin-bottom: 0;
}

.product-showcase-heading {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  /* text-transform: uppercase; */
  color: var(--accent-deep);
  margin-bottom: 16px;
  position: relative;
  padding-left: 18px;
}

.product-showcase-heading::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 7px;
  height: 7px;
  background: var(--accent-deep);
  transform: translateY(-50%) rotate(45deg);
}

.product-showcase-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
}

.product-showcase-list--why {
  grid-template-columns: 1fr 1fr;
}

.product-showcase-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 1.5;
}

.product-showcase-item svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  color: var(--accent-deep);
  opacity: 0.5;
}

.product-showcase-cta {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.product-showcase-cta-text {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-primary);
  font-weight: 400;
  margin-bottom: 24px;
}

/* --- Founders Section --- */
.founders-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.founder-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all 0.5s var(--ease-out);
  box-shadow: var(--shadow-sm);
}

.founder-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(139, 164, 184, 0.03), transparent 40%);
  opacity: 0;
  transition: opacity 0.5s var(--ease-out);
  z-index: 1;
  pointer-events: none;
}

.founder-card:hover::before {
  opacity: 1;
}

.founder-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.founder-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}

.founder-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out), filter 0.7s var(--ease-out);
}

.founder-card:hover .founder-image {
  transform: scale(1.05);
  filter: brightness(1.02) contrast(1.02);
}

.founder-image-border {
  position: absolute;
  inset: 0;
  border-bottom: 1px solid rgba(139, 164, 184, 0.15);
  pointer-events: none;
}

.founder-image-glow {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(to top, rgba(250, 249, 247, 0.9) 0%, transparent 100%);
  pointer-events: none;
}

.founder-info {
  padding: 28px 28px 32px;
  position: relative;
}

.founder-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.founder-position {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 16px;
  position: relative;
  padding-left: 16px;
}

.founder-position::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  background: var(--accent-deep);
  transform: translateY(-50%) rotate(45deg);
}

.founder-bio {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-secondary);
  font-weight: 300;
  margin-bottom: 20px;
}

.founder-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.founder-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 400;
  transition: all 0.3s var(--ease-out);
}

.founder-contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--accent-deep);
  transition: transform 0.3s var(--ease-spring);
}

.founder-contact-item:hover {
  color: var(--accent-deep);
}

.founder-contact-item:hover svg {
  transform: scale(1.15);
}

/* --- Process Section --- */
.process-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
}

.process-line {
  position: absolute;
  top: 44px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: var(--border);
  z-index: 0;
}

.process-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent-bright));
  transition: width 1.5s var(--ease-out);
}

.process-line.active::after {
  width: 100%;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 12px;
}

.step-number {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.step-diamond {
  width: 12px;
  height: 12px;
  background: var(--bg-primary);
  border: 1px solid var(--accent-deep);
  transform: rotate(45deg);
  margin: 0 auto 24px;
  transition: all 0.5s var(--ease-spring);
}

.process-step:hover .step-diamond {
  background: var(--accent-deep);
  box-shadow: 0 0 20px var(--accent-glow);
  transform: rotate(45deg) scale(1.3);
}

.process-step h3 {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.process-step p {
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-secondary);
  font-weight: 300;
}

/* --- Why Choose Us --- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 40px 28px;
  transition: all 0.5s var(--ease-out);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 0;
  background: linear-gradient(180deg, rgba(139, 164, 184, 0.06), transparent);
  transition: height 0.5s var(--ease-out);
}

.why-card:hover::before {
  height: 100%;
}

.why-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.why-icon-wrap {
  position: relative;
  width: 56px;
  height: 56px;
  margin-bottom: 24px;
  display: none;
}

.why-icon-glow {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow-strong) 0%, transparent 70%);
  opacity: 0;
  transform: scale(0.7);
  transition: all 0.5s var(--ease-out);
}

.why-card:hover .why-icon-glow {
  opacity: 1;
  transform: scale(1);
}

.why-icon {
  width: 56px;
  height: 56px;
  color: var(--accent-deep);
  position: relative;
  z-index: 1;
  transition: all 0.5s var(--ease-out);
}

.why-card:hover .why-icon {
  transform: scale(1.1) rotate(-5deg);
  filter: drop-shadow(0 0 6px rgba(139, 164, 184, 0.25));
}

.why-card h3 {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
  color: var(--text-primary);
  position: relative;
}

.why-card p {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-secondary);
  font-weight: 300;
  position: relative;
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 36px 28px;
  text-align: center;
  transition: all 0.5s var(--ease-out);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 6px;
  height: 6px;
  background: var(--accent-deep);
  opacity: 0;
  transition: all 0.4s var(--ease-spring);
}

.contact-card:hover::before {
  opacity: 1;
  top: 8px;
  box-shadow: 0 0 10px var(--accent-glow-strong);
}

.contact-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* WhatsApp Card */
.contact-card-whatsapp {
  border-color: rgba(37, 211, 102, 0.15);
}

.contact-card-whatsapp::before {
  background: #25D366;
}

.contact-card-whatsapp:hover {
  border-color: rgba(37, 211, 102, 0.3);
  box-shadow: var(--shadow-md), 0 0 20px rgba(37, 211, 102, 0.08);
}

.whatsapp-icon {
  color: #25D366;
}

.contact-card-whatsapp:hover .whatsapp-icon {
  transform: scale(1.15);
  filter: drop-shadow(0 0 8px rgba(37, 211, 102, 0.3));
}

.contact-card-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 20px;
  color: var(--accent-deep);
  transition: all 0.5s var(--ease-out);
}

.contact-card-icon svg {
  width: 100%;
  height: 100%;
}

.contact-card:hover .contact-card-icon {
  transform: scale(1.1);
  filter: drop-shadow(0 0 6px rgba(139, 164, 184, 0.2));
}

.contact-card-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}

.contact-card-value {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 400;
  transition: color 0.3s var(--ease-out);
}

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

/* --- Footer --- */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  background: var(--bg-primary);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}

.footer-copy {
  font-size: 12px;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}

/* --- WhatsApp Floating Button --- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 50px;
  height: 50px;
  /* background: #25D366; */
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35), 0 2px 6px rgba(0, 0, 0, 0.1);
  z-index: 999;
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s var(--ease-out);
  animation: whatsappPulse 2.5s ease-out infinite;
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
}

.whatsapp-float:hover {
  transform: scale(1.12);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45), 0 3px 10px rgba(0, 0, 0, 0.12);
  animation: none;
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35), 0 2px 6px rgba(0, 0, 0, 0.1); }
  50% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35), 0 2px 6px rgba(0, 0, 0, 0.1), 0 0 0 10px rgba(37, 211, 102, 0.12); }
}

/* --- Scroll Reveal Animations --- */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-up.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .product-showcase {
    grid-template-columns: 1fr;
  }

  /* .product-showcase-image {
    min-height: 400px;
  } */

  .product-showcase-content {
    max-height: none;
    padding: 44px 36px;
  }

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

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

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

  .process-timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 40px 0;
  }

  .process-line {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-stats {
    flex-direction: row;
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--border);
    padding-top: 32px;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 80px 0;
  }

  .section-header {
    margin-bottom: 48px;
  }

  .container {
    padding: 0 20px;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(250, 249, 247, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    padding: 32px 0;
    gap: 24px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.4s var(--ease-out), opacity 0.4s var(--ease-out);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-toggle {
    display: flex;
  }

  .diamond-container {
    width: 150px;
    height: 150px;
    margin-bottom: 32px;
  }

  .hero-title {
    letter-spacing: 0.04em;
  }

  .hero-tagline {
    letter-spacing: 0.08em;
  }

  .product-showcase {
    grid-template-columns: 1fr;
  }

  /* .product-showcase-image {
    min-height: 320px;
  } */

  .product-showcase-content {
    max-height: none;
    padding: 40px 32px;
  }

  .product-showcase-list,
  .product-showcase-list--why {
    grid-template-columns: 1fr 1fr;
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .founders-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .process-timeline {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .process-step {
    text-align: left;
    padding: 0;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0 20px;
    align-items: start;
  }

  .step-number {
    grid-row: 1;
    grid-column: 1;
    margin-bottom: 0;
    padding-top: 2px;
  }

  .step-diamond {
    grid-row: 2;
    grid-column: 1;
    margin: 0;
    margin-top: 8px;
  }

  .process-step h3 {
    grid-row: 1;
    grid-column: 2;
  }

  .process-step p {
    grid-row: 2;
    grid-column: 2;
  }

  .about-stats {
    flex-direction: column;
    gap: 24px;
  }

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

  .btn-primary,
  .btn-outline {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .diamond-container {
    width: 120px;
    height: 120px;
    margin-bottom: 24px;
  }

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

  .hero-tagline {
    font-size: 0.75rem;
  }
}