:root {
  /* Core blues */
  --primary:        #0052CC;   /* CI Dark Blue */
  --primary-light:  #3385FF;   /* 20 % tint */

  /* Signature cyans */
  --accent:         #00D4FF;   /* CI Cyan */
  --accent-light:   #7FEFFF;   /* 40 % tint */

  /* Neutrals (unchanged) */
  --surface:        #F8FAFC;
  --surface-elevated:#FFFFFF;
  --text-primary:   #1E293B;
  --text-secondary: #64748B;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #00D4FF 0%, #0052CC 100%);
  --gradient-accent:  linear-gradient(135deg, #7FEFFF 0%, #00D4FF 100%);

  /* Shadows (kept) */
  --shadow-soft: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
  --shadow-medium: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
  --shadow-large: 0 25px 50px -12px rgba(0,0,0,.25);
}

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

    body {
      font-family: 'Kanit', -apple-system, BlinkMacSystemFont, sans-serif;
      background: var(--surface);
      color: var(--text-primary);
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* Custom Scrollbar */
    ::-webkit-scrollbar {
      width: 6px;
    }

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

    ::-webkit-scrollbar-thumb {
      background: var(--accent);
      border-radius: 3px;
    }

    /* Loader */
    .loader {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: var(--surface-elevated);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 9999;
      transition: opacity 0.5s ease;
    }

    .loader-content {
      text-align: center;
    }

    .loader-spinner {
      width: 50px;
      height: 50px;
      border: 3px solid var(--surface);
      border-top: 3px solid var(--accent);
      border-radius: 50%;
      animation: spin 1s linear infinite;
      margin: 0 auto 16px;
    }

    @keyframes spin {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }

    /* Navigation */
    .navbar {
	  min-height: 64px;
      position: fixed;
      top: 0;
      width: 100%;
      padding: 20px 0;
      background: rgba(248, 250, 252, 0.95);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.2);
      z-index: 1000;
      transition: all 0.3s ease;
    }

    .navbar.scrolled {
      padding: 12px 0;
      background: rgba(248, 250, 252, 0.98);
      box-shadow: var(--shadow-soft);
    }

    .nav-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    /* logo sizing */
.logo-img{
  height: clamp(28px, 6vh, 56px); /* mobile ➜ desktop */
  width: auto;
  max-width: min(42vw, 420px);    /* prevent overflow on tiny screens */
  display: block;
  object-fit: contain;

  /* keep it crisp */
  image-rendering: -webkit-optimize-contrast;
  image-rendering: optimizeQuality;
  filter: drop-shadow(0 2px 10px rgba(0,212,255,.25));
  transition: transform .18s ease, filter .18s ease;
}

.navbar .logo:hover .logo-img{
  transform: translateY(-1px) scale(1.02);
  filter: drop-shadow(0 4px 16px rgba(0,212,255,.35));
}

    .nav-links {
      display: flex;
      gap: 32px;
      align-items: center;
    }

    .nav-link {
      color: var(--text-secondary);
      text-decoration: none;
      font-weight: 500;
      transition: color 0.3s ease;
      position: relative;
    }

    .nav-link:hover {
      color: var(--accent);
    }

    .nav-link::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--accent);
      transition: width 0.3s ease;
    }

    .nav-link:hover::after {
      width: 100%;
    }

    .language-select {
      background: transparent;
      border: 1px solid rgba(99, 102, 241, 0.2);
      padding: 8px 12px;
      border-radius: 8px;
      color: var(--text-secondary);
      font-weight: 500;
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .language-select:hover {
      border-color: var(--accent);
      background: rgba(99, 102, 241, 0.05);
    }

    /* Hero Section */
	
	/* Screen-reader only helper */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* Logo styling */
.hero-logo {
  width: clamp(180px, 28vw, 340px);   /* fluid, caps at 340 px */
  height: auto;
  display: block;
  margin-inline: auto;
  filter: drop-shadow(0 4px 24px rgba(0, 212, 255, 0.40));
  animation: logoPulse 8s ease-in-out infinite;
  z-index: 2;                         /* sits over blobs/noise */
}

/* Soft breathing glow */
@keyframes logoPulse {
  0%,100% {
    transform: scale(1);
    filter: drop-shadow(0 4px 24px rgba(0,212,255,0.40));
  }
  50% {
    transform: scale(1.06);
    filter: drop-shadow(0 8px 32px rgba(0,212,255,0.60));
  }
}

	
    .hero {
	isolation: isolate;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--surface);                /* fallback */
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 110%, rgba(0,0,0,.55) 0%, rgba(0,0,0,0) 70%),
    linear-gradient(135deg, #001A4D 0%, #002D9C 50%, #003BFF 100%);
  color:#fff;  /* text & floating cards stay legible */
}

    .hero::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="g"><stop offset="20%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="50%" stop-color="%23ffffff" stop-opacity="0.05"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><rect width="100%" height="100%" fill="url(%23g)"/></svg>');
      opacity: 0.3;
    }

    .hero-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      position: relative;
      z-index: 2;
    }

    .hero-content {
      max-width: 600px;
      color: white;
    }

    /* Small intro line */
.hero-lead{
  font:400 clamp(0.95rem,1.1vw + .6rem,1.125rem)/1.4 "Kanit",sans-serif;
  color:rgba(255,255,255,.85);
  text-align:center;
  margin:2.5rem auto 0;
}

/* Big punch line */
/* mini, single-line */
.hero-headline{
  font-size: clamp(1.1rem, 1.6vw + .4rem, 1.65rem); /* shrunk again */
  white-space: nowrap;                               /* force one line */
  line-height: 1.3;
}


.hero-contact{
  list-style:none;
  display:flex; gap:48px;
  justify-content:center;
  margin:28px auto 0; padding:0;
  font:500 1rem/1.5 "Kanit",sans-serif;
}
.hero-contact li{display:flex;align-items:center;gap:8px;}
.hero-contact i{font-size:1.1em;color:var(--accent);}
.hero-contact a{
  color:#e4f6ff;text-decoration:none;transition:color .2s;
}
.hero-contact a:hover{color:#fff}
    .cta-button {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--surface-elevated);
      color: var(--accent);
      padding: 16px 32px;
      border-radius: 12px;
      text-decoration: none;
      font-weight: 600;
      font-size: 16px;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      box-shadow: var(--shadow-medium);
      border: none;
      cursor: pointer;
    }

    .cta-button:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-large);
      color: var(--accent);
    }
	
	/* Animated gradient backdrop */
.hero-gradient{
  position:absolute; inset:-60%;
  background:
    radial-gradient(circle at 15% 15%, rgba(255,255,255,.45) 0 6%, transparent 40%),
    radial-gradient(circle at 85% 35%, rgba(0,212,255,.35) 0 18%, transparent 55%),
    conic-gradient(from 180deg at 50% 50%,
      var(--primary) 0deg 120deg,
      var(--accent) 150deg 300deg,
      var(--primary) 330deg 360deg);
  background-size:100% 100%,100% 100%,200% 200%;
  animation: gradientOrbit 24s linear infinite;
  filter: blur(220px) saturate(160%) contrast(110%);
  mix-blend-mode: plus-lighter;
  opacity:.8;  z-index:0;
}

/* Subtle noise layer (glass feel) */
.hero-noise{
  position:absolute; inset:0;
  background:
    url('data:image/svg+xml;utf8,\
    <svg xmlns="http://www.w3.org/2000/svg" width="200" height="200">\
      <filter id="t"><feTurbulence baseFrequency="0.9" numOctaves="4" /></filter>\
      <rect width="100%" height="100%" filter="url(%23t)" opacity="0.035" />\
    </svg>');
  mix-blend-mode: overlay; pointer-events:none; z-index:1;
}
.hero-noise::after{
  content:""; position:absolute; inset:0;
  background:repeating-linear-gradient(45deg,
      rgba(255,255,255,.04) 0 2px,
      transparent 2px 6px);
  mix-blend-mode:overlay;
}

/* Glowing organic blobs */
.hero-blob{
  position:absolute;
  width:clamp(300px,30vw,700px); aspect-ratio:1/0.85;
  background:
    radial-gradient(ellipse at 30% 40%, var(--accent) 0%, rgba(0,212,255,0) 70%),
    radial-gradient(ellipse at 70% 60%, var(--primary) 0%, rgba(0,82,255,0) 70%);
  mix-blend-mode:screen;
  filter:blur(140px); opacity:.75;
  animation: blobFloat 12s ease-in-out infinite;
}
.blob-1{top:-20%; left:-22%; animation-delay:0s;  transform-origin:30% 60%;}
.blob-2{bottom:-25%; right:-18%; animation-delay:3s; transform-origin:60% 40%;}

.hero-sheen{
  position:absolute; inset:0;
  background:linear-gradient(120deg,
      rgba(255,255,255,0) 20%,
      rgba(255,255,255,.1) 40%,
      rgba(255,255,255,0) 60%);
  opacity:.35; mix-blend-mode:overlay;
  animation:sheenSwipe 8s cubic-bezier(.77,0,.175,1) infinite;
  pointer-events:none; z-index:2;
}


/* === Keyframes === */
@keyframes gradientOrbit{
  0%   {transform:rotate(0deg)   scale(1);}
  50%  {transform:rotate(180deg) scale(1.2);}
  100% {transform:rotate(360deg) scale(1);}
}
@keyframes blobFloat{
  0%,100%{transform:translate3d(0,0,0)        scale(1);}
  33%    {transform:translate3d(4vw,-6vh,0)    scale(1.15) rotate(2deg);}
  66%    {transform:translate3d(-5vw,3vh,0)    scale(0.94) rotate(-3deg);}
}
@keyframes sheenSwipe{
  0%  {transform:translateX(-100%) skewX(-15deg);}
  100%{transform:translateX(100%)  skewX(-15deg);}
}

    /* Floating Elements */
    .floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 16px 24px;
  color: #fff;
  font-weight: 500;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
  animation: float 6s ease-in-out infinite;
  z-index: 2;
}

/* Custom floating positions */
.floating-card:nth-child(1) {
  top: 30%;
  left: 8%;
  animation-delay: 0s;
}
.floating-card:nth-child(2) {
  top: 35%;
  right: 12%;
  animation-delay: 1.5s;
}
.floating-card:nth-child(3) {
  bottom: 15%;
  left: 12%;
  animation-delay: 3s;
}
.floating-card:nth-child(4) {
  top: 55%;
  right: 18%;
  animation-delay: 4.5s;
}
.floating-card:nth-child(5) {
  bottom: 10%;
  right: 8%;
  animation-delay: 6s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-15px) rotate(1.5deg);
  }
}

/* Responsive for mobile */
@media (max-width: 768px) {
  .floating-card {
    display: none;
  }
}


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

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

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

    .section-title {
      font-size: clamp(2rem, 5vw, 3rem);
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 16px;
      letter-spacing: -1px;
    }

    .section-subtitle {
      font-size: 18px;
      color: var(--text-secondary);
      max-width: 600px;
      margin: 0 auto;
      line-height: 1.7;
    }

    /* About Section */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 80px;
      align-items: center;
    }

    .about-content h3 {
      font-size: 32px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 24px;
      letter-spacing: -0.5px;
    }

    .about-content p {
      font-size: 18px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .about-visual {
      background: var(--gradient-primary);
      border-radius: 24px;
      height: 400px;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      overflow: hidden;
    }

    .about-visual::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="20" fill="none" stroke="white" stroke-width="0.5" opacity="0.3"/><circle cx="50" cy="50" r="35" fill="none" stroke="white" stroke-width="0.3" opacity="0.2"/></svg>');
      animation: rotate 20s linear infinite;
    }

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

    .about-icon {
      font-size: 64px;
      color: white;
      z-index: 2;
      position: relative;
    }

    /* Services Section */
    .services {
      background: var(--surface-elevated);
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
      gap: 32px;
    }

    .service-card {
      background: var(--surface-elevated);
      border-radius: 20px;
      padding: 40px;
      border: 1px solid rgba(99, 102, 241, 0.1);
      transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      position: relative;
      overflow: hidden;
    }

    .service-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--gradient-primary);
      transform: scaleX(0);
      transition: transform 0.4s ease;
    }

    .service-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-large);
      border-color: var(--accent);
    }

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

    .service-icon {
      width: 64px;
      height: 64px;
      background: var(--gradient-primary);
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 24px;
    }

    .service-icon i {
      font-size: 28px;
      color: white;
    }

    .service-card h4 {
      font-size: 24px;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 16px;
    }

    .service-card p {
      color: var(--text-secondary);
      line-height: 1.7;
      font-size: 16px;
    }

    /* Footer */
    .footer {
      background: var(--primary);
      color: white;
      text-align: center;
      padding: 60px 0;
      margin-top: 120px;
    }

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

    .footer p {
      opacity: 0.7;
      font-size: 14px;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }

      .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
      }

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

      .floating-card {
        display: none;
      }

      .section {
        padding: 80px 0;
      }

      .hero-content {
        text-align: center;
      }
    }

    /* Animation Classes */
    .fade-in {
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    .slide-in-left {
      opacity: 0;
      transform: translateX(-50px);
      transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .slide-in-left.visible {
      opacity: 1;
      transform: translateX(0);
    }

    .slide-in-right {
      opacity: 0;
      transform: translateX(50px);
      transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .slide-in-right.visible {
      opacity: 1;
      transform: translateX(0);
    }

    .scale-in {
      opacity: 0;
      transform: scale(0.8);
      transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .scale-in.visible {
      opacity: 1;
      transform: scale(1);
    }